Chinese diesel air & water heater test / review

It's a long video yes, but you want to see inside don't you? :)
Here is the link for the heater I bought. I am not affiliated with the manufacturer and receive nothing for sharing this link.
www.alibaba.com/product-detai...

[@therobb5738]

These experiments and teardowns are as educational as they are appreciated! I would like to buy one of these water heating models for use as a backup heat source, that can also purposefully heat water. Multifunctional devices are great survival tools!

[@sarunasvebra8413]

wow so glad i found your channel, those are some hardcore reviews that all of us DIY guys are searching for. great job, thanks. Subscribed

[@sheepdipR1]

Absolutely fantastic. Well presented, informative while remaining humorous throughout. I am a engineer and have been for 35 years, I've seen technology change but seeing it through someone else's eyes who is clearly passionate with basic garage tinkering as I am is just brilliant. The EGR heat recovery has to feature with this at some point, maybe even connected to a calorfier or insulated storage tank. For the record, the Eberspacher D5W doesnt have a great deal of heatsink fins either. Keep up the good work and glad you've maintained your signature "Well Hello"

[@fredjones7307]

Firstly I'm amazed how you people on KZbin produce such professional videos with the equipment you have. If it was a TV production company it would be a half million pound job..the thing that interests me most about these heater is the efficiency of them.. excellent videos David..

[@LarryTalbot_1313]

The reason why tv productions are so expensive is everyone has to get a slice, then there's various unions involved. Here you have one guy that has to answer to no one, so he does the best job he can!

[@dieseldog289]

Loving the videos pal!!! One thing I’d like to see is it actually connected up to a vehicle and see how long it takes “real world” to heat the coolant and how hot it does get. Thanks buddy , chaps like you are what the internet needs more of!!

[@raymondj8768]

Now you have outdone yourself i dident even know they made ones with water !!!

[@janekkowalski5967]

A great test. I'm preparing myself to buy one of these heaters. Disassembling it at the end of the test was a great idea. It shows how simple construction it is.

[@tjlucky08]

I appreciate your humour and self talk. Made the video more interesting to watch

[@RNH325]

Hi David, another great review, all I would like to see is a flow rate of 2 litre per minute going through the unit at tap temp and then see what the rise is on full power , no recirculating involved PLEASE , PRETTY PLEASE !!

[@pauljconroysr4080]

david always love your videos and the work you do on all of these please keep up the good work :)

[@vwthings]

Nice one David. First one I've seen that does both. Love your honesty and enthusiasm.

[@nicklongfield1438]

Great video yet again David. Might give one of these ago in the camper I’m building 👍

[@skulldiver]

Really loved the unit dismantling part in the footage!I think this should be the only choice for me to avoid lpg onboard and to create an easier to maintain system.In Italy there's no way to do a legal diy van conversion unless you build everything removable inside without screws too.Just crazy!So I'm living the nightmare to design a stealth mode based van, with independent energy/water/heat sources out of the frame with quick release connections on every module inside the vehicle.This unit will serve well the kitchen output as the shower too.Thank You!

[@doneown503]

without screws ! wow , that would be a challenge!!

[@skulldiver]

@@doneown503 That's right, this is because in the absence of type approval, the van remains a vehicle for transporting cargo and none of it has to be permanently anchored. Any cargo can be restrained with straps or quick-release systems, but not firmly attached to the chassis.Look up Vancubic to get an idea of the crazy work of these guys who solved the problem.

[@nathanshields3743]

"I'll tell you if it's dog shite" - My kind of no nonsense video. All the better with the Scottish accent!

[@PaulFoppele]

I was really looking in these.. wondering if they were any good, so this video is just what I needed!

[@richmarsh5839]

Finally we have options. Thank you for the great reviews/inner workings..now I need to find one.

[@richmarsh5839]

Dave, would like to pick your brain on this unit

[@peterockleford5391]

I was really pleased to see this as I have one of these I brought from Aliexpress about 6 months ago. I run a glycol mix through the heat exchanger on a hot water tank and I have an open circuit with an overflow bottle. Turned out to be really complicated with different size fitting on the pump, heater and water tank. It is now working well and will heat 20 litres of water up to shower temperature in about 30mins (on low) Mine has a much more basic controller with a separate water pump but the heater is the same brand. I have not worked out how to exhaust hot air out of the van in the Sumner when I don't need it. It is definitely the cheapest way of diesel air/water heating.

[@jamesl5149]

I was wondering about that - not ideal on a hot day if you just want a shower. I think i'll go with an ex-car Webasto and use a heat exchanger for warm air.

[@trustthedogsheneverlies644]

Hi, I have the same heater. You figured a way to wire up a thermostat to turn on the air side?

[@jonasstahl9826]

Maybe you can cyrculate the hot air with an hose back to the air inlet.

[@peterockleford5391]

@@jonasstahl9826 I would wonder if that might trip the overheat protection that monitors the air temperature of the air going over the heat exchanger. I did not have room to do this but my initial idea had been to simply move the hose to an external exit in the summer and an internal one during the winter. I have decided that the best way to use this is to treat it as a cheap diesel water heater and view the hot air as a waste product!.......removes so many problems.

[@NT-eh6om]

Hey do you have the link to the one you bought off Aliexpress? I can't find any on there.

[@ratgreen]

Thanks for buying one for us and testing. Once I've a garage of my own I hope to get underfloor heating installed, this would be sweet for that. My suggestion would be to do both your egr on the exhaust, in series with the water heat exchanger, to see if it would speed up the heating of X liters of water. See how much energy you can capture instead of letting it go as waste heat out the exhaust unused.

[@DavidMcLuckie]

Adding the EGR as well is absolutely happening.

[@paial]

I was planning to buy the "air only" version of this and putting a car HVAC heat exchanger inline with the hot air output. Circulate coolant through the exchanger and the boiler (normally engine coolant driven). If this comes down in price, it will be way easier... But the balance between air heating and water heating seems to be much more in the air heating favor, so, will wait for more tests...

[@otm646]

For underfloor domestic heating you'd be far better off going with a conventional hot water heater and pump. Natural gas is significantly cheaper than diesel fuel per BTU. Depends on your local rates, but electricity may even be cheaper per BTU than diesel.

[@muddeer5383]

Bought the same heater 2 years ago and been using it in my trailer camper. It's been great, no problem so far. The shipped water pump is not pressure activated, so got a replacement with a separate switch (the original pump still needs to be connected eletronically, else you'll get a error message). The fuel pump stopped working when near freezing temperatures, but that went away with winterized diesel. The heater is surprisingly fuel-efficient. I've been heating water directly with it. Was worried about hard-water build up, but so far no drop in water flow/pressure detected.

[@interestpart260]

Love ur Videos Mr Mc Luckie, Very informative, practical and to the point! Nay ta mention the humor and the Scottish Accent.

[@danerlich7393]

So now that you have seen it, how reliably SAFE is this heater- would you install it in YOUR boat ?

[@scottybotty7289]

Very well put together. You sir, are a legend! Well done :-)

[@dalexdba1]

Thanks so much for this video. It has given me the confidence to have a sort-out of my iffy Webasto, and if it has had it, I'll replace it with one of these!

[@kevinmarwick6675]

You have a good series of videos on these heaters. Great work!

[@jaysloane]

After wandering in here by accident I hung around long enough for the full review & test. Not relevant in my life at all but strangely interesting to watch.

[@lambrettaladUK]

Been waiting for this to be posted.

[@Pieh0]

Same here, I was going to buy just the normal diesel heater for my caravan, while being annoyed that I still have to use gas for hot water, but then I saw that David was getting a water heater version. So now i'm wanting one of these, if it's any good (15mins in).

[@danyf3116]

@@Pieh0 I don't think it is ready for main stream. Why put the water heater system only on the bottom and not all around? They could have redesigned the body to have water chambers all around the flame part. Then again, it is only meant to keep your car/vehicle warm by circulating coolant through your engine. I want to use mine to heat a shop. So heater on bottom of assembly, to me, it's a deal-breaker. ☺

[@Pieh0]

@@danyf3116 Maybe the water would start boiling the heat exchanger was covering the lot, or it took too much heat away from the air. In any case, it seems to do both reasonable well.

[@danyf3116]

@@Pieh0 I'm sure it works well for what it is intended to work for. However, we all know who comes here. No truckers wanting to find out how to hook it up, I'd say 90% are DIY'ers like you and I and David. What I want to do with it is WAY beyond what it was meant to do, I'm sure. A bit like a PC fan trying to push his CPU as far as he can. This is the same for me. How can I suck as much heat as it can produce for what I want it to do? ☺

[@graphite737]

outstanding!! Really enjoy how you cross cut these and tear take them apart so we can see whats going on!!!!

[@matakaw4287]

Awesome video, mate. You always make me laugh and I always find your videos interesting.

[@Highlandwoodandmetal]

Another great video David! I'd be interested to know if the water pump with it is drawing some of that 5 amps as it was running dry- although I'd hope not!! Also if/when you get it plumbed up correctly, does the on board water pump have a delayed start or anything like that? as pumping theoretically 'cold' water through an otherwise hot heat exchanger could have detrimental effect on the heat exchanger/ casing leading to sealing issues.- Probably why those screws were so tight! Solid fuel boilers for example have back end protection valves to ensure the returning water is at a set temperature- a car thermostat works in much the same way.. just a thought! Keep up the good work!

[@theknightcrossing]

22:05 ?

[@unicornswag888]

It'd be very interesting to see how much heat output you get from the "air" side of the heater when the heat exchanger is fully utilized to heat water. I suppose the best way to test this would be to run a constant supply of cold water (i.e. a garden hose) through the heat exchanger, and see how much the output drops. I think a lot of people are worried that the heater might produce too much unwanted heat for it to be useful for heating water in the summer.

[@DavidMcLuckie]

I don't think that is it's intended use. More for heating engine coolant or heating a tank of water, perhaps underfloor heating. I'd go for a pure diesel water heater if you want to heat water only, I've got a used eBay one en route for a bit of play with.

[@vPerformance]

@@DavidMcLuckie We should totally test the temperature increasement in the woodshed.

[@DavidMcLuckie]

@vperformance We should totally fit the heater. :)

[@unicornswag888]

@David McLuckie I know the intended application isn't for "on demand" hot water. That's not what I'm suggesting. Whether you're heating a car's cooling system or a tank of water, the water will be cold to begin with, and will gradually heat up as it gets circulated through the heat exchanger. I think it would be interesting to see how much heat the cold water "steals" from the air heater. Obviously as the water in the system warms up, it won't be "stealing" as much heat as when it was cold. I just suggested using a garden hose for the test because it would provide a constant supply of cold water to make things a little more consistent. A large bucket of water would also work.

[@sagastipean]

It's it possible to select only hot water or only hot air at one time?

[@FirstSuiGeneris]

_You had me rolling with your commentary! : ) It was so good I had to watch it twice! Oh, and thanks for the information too!_

[@johnkennedy486]

David has a very unique style. Many of us could pick his videos milliseconds after he starts commentary. Unique, entertaining, informative and very different; albeit a bit hard to understand at times when his voice gets more shrill or excitement than normal!

[@ianmorris8534]

Thanks for doing the vid David. When I saw the current draw when the heater was running, and the heater plug should have been off, I was convinced there was an electric element to heat the water! Just looked this up on the link you provided and they are featuring this vid to demonstrate the product, hope you got a payment :)

[@NitroGuyJH]

You can probably double your heat output or at least increase it by running the water through a small radiator with a fan pushing air through it.

[@thethousandstepsofhoneythe3742]

I think this would be perfect as a preheating unit for the engine in our diesel powered rv!

[@thethousandstepsofhoneythe3742]

@@andrewbartleman9169 thank you for the input.

[@paulbaker3144]

Yeah, but put in a valve and a bypass for when you don’t need to heat your engine. If I was camping for days or weeks somewhere I’d rather heat shower water.

[@tommorlock439]

Hello David big fan from America. I bought this unit after you demonstrated it.

[@Chanelnrx]

Hellooooooooooo! Thank you my lad for the amazing shits n giggles test! You tested it for everything we need to know. Love the accent and laid back attitude

[@JamieTransNyc]

I had to watch this twice just to enjoy the accent!

[@johnstewart1635]

Hi David I saw a van build video recently with wet underfloor heating. Could it be set up to provide: Blown hot air, zig zag piped underfloor heating and a hot water header tank to wash the prosecco glasses. Cheers Johnnie

[@DavidMcLuckie]

Well yes. It just might take a while to heat the water though.

[@nickyeates1715]

I know this is an old video now, but I just wanted to point out that if you go into the settings on the FLIR, you can change the "Emisivity" setting from "matte" to either "semi-matte", "semi-glossy" or "glossy", athough glossy is quite inaccurate and not recommended. Changing this setting would enable you to give more accurate readings on the various surfaces you showed us. I can't believe I've only just discovered your videos. Your absolute no nonsense approach and straight talking is a breath of fresh air. My family originate from lincolnshire, so I've had a north-ish upbringing but live down south where most people sugar coat everything and wrap it in cotton wool. I wish everyone just cut the cra and got straight to the point like you do 😁

[@tam2083]

Another interesting video looking for this type of setup for a boat Thanks keep up the good work 👍

[@bektas1981]

Where can I get one of these? All I’m finding on eBay is a heater with no water hookups. Thx.

[@andrewjohndurrant]

Please, can you hook it up to a box of wine and see if it's suitable to for a mulled wine tap?

[@ParadigmUnkn0wn]

Wine and aluminum aren't going to play well together. You could absolutely use it to heat a working fluid and then use a food-grade heat exchanger or stainless steel coil to heat your wine. Seems like a lot of steps when just throwing the wine in a big pot on a burner will do the same thing.

[@malcytull]

A very interesting video David, thank you for posting.

[@T4Abyss]

Just a thanks for the effort you put into the video and providing it to us...made me want one, but don't really have a need for it :D

[@sublicenseable]

I wonder if Mr. Eberspacher or Webasto is watching this and thinking it's their turn to copy the Chinese?

[@PaulAlford75]

He should be watching and getting ready to send Big Dave some heaters!

[@greywuuf]

Webasto has been offering water heating units since at least the late 80's ..I maintained a fleet of rural school busses here in Alaska that were eguiped with them as engine preheaters.

[@sublicenseable]

@@greywuuf Eberspacher also have great water heaters, but they don't come combined with air heater

[@dauerwerbesendung7045]

@@greywuuf more amazing to me is that they do still sell the exact same model of water heater that i have working in my 1986 auwärter bus. they must have nailed it then and did not find a reason to discontinue them in over 30 years.

[@greywuuf]

@@dauerwerbesendung7045 not sure "nailed it" is exactly correct.....the ones I have been around in extreme cold will often "fog" the fuel without igniting it ....causeing heavy smoke to leave the pipe ....occasionally when it is really cold and you really need it .....they will "light" external to the pipe .....and just act as a blow torch ......circulating cold water ... Depleting you battery and leaving you in a bad way .... Just saying they are not perfect but the can help.

[@efcop8]

I was curious, I’m from the USA, what are the chances of using the hot air and a baseboard heater simultaneously? I was thinking the hot air is obviously faster but baseboard heat, with glycol not water, would be a nice supplement since it’s a much more even heat. What would I need to do to be able to flow antifreeze through a baseboard heat section or two. Figure 3/4 in diameter and 8 or 16 feet long.

[@johanvangelderen289]

I'd think a pump and an expansion tank. I've looked at hydronic heating videos on yt

[@keithwittman4741]

Yes,pump,expansion tank,air bleeder at a high point. And for longer duration of heat, a small storage tank. Thus a campervan watertank would be ideal.

[@RichardCrabbe403]

First of your vids I have seen. Subscribed immediately!! Great vid!

[@michallucki9376]

I like the way you say "hello" :)

[@jameslamb7300]

Don't forget to add Diesel Fuel Conditioner to the diesel fuel in the winter. Diesel Fuel Gels like Jell-o when it's below freezing without the Diesel Fuel Additive. Howe's is a good brand.

[@trustthedogsheneverlies644]

Great it's finally arrived! Thanks for the review! Is this the "5-10" kW version (larger) or the smaller version( 5kW max) as you've found with the hot air version? Can you do a video showing the thermal power split?? Thanks again. Great to see technical breakdowns!!

[@DavidMcLuckie]

This is the larger of the two heater sizes.

[@erik_dk842]

@@DavidMcLuckie You mean the same size which is a 5 kW but marketed as 2,3,5 or 8kW, not the small "true 2kW" version. trustdog seams to be misinformed about heater sizes

[@__WJK__]

@Erik_DK - Actually, he did show (in a recent video) there are two sizes of heaters... basically a 2-5kw & 5-8kw, give or take a kw. The housing dimension (between the two kw versions) is considerably different but I do see your point how some manufacturers are marketing the larger units as 2, 3, 5, 8 kw, which makes it a bit tricky for those needing the dimensionaly smaller 2kw unit to mount in smaller tighter places.

[@__WJK__]

Great video! Anyone happen to know if the display features a clock and programmable timer and/or if the display controller can be swapped out for a display that features a clock w/a programmable timer?

[@trustthedogsheneverlies644]

Thank you! Did you find one of these split water/air versions in the smaller size? Thanks again for you technical breakdowns, it's realy apriciated! :)

[@ANorthShoreBrewer]

First time viewer, and now a subscriber. You're a twin of my fav, Mustie1 except one of you has a funny accent. Great job, well produced and very entertaining. I'll be ̶s̶t̶a̶l̶k̶i̶n̶g̶ um, following you...

[@DavidMcLuckie]

I too am a Mustie fan. :)

[@Gapri3474]

I love your 'natural' style of videos. Good work!

[@keithwittman4741]

Also see "project farm" videos. On testing and comparisons.

[@Gapri3474]

@@keithwittman4741 Thanks for the recommendation. I searched 'project farm' and realised I'd been a viewer for years.

[@EliteHydronics.]

The heating water will want dosing with inhibitor and a PH between 6.5 - 8.5, it will help massively with corrosion 👍🏻

[@Pieh0]

If it's a self contained system, yes, but in my plan, i'm wanting to replace the Carver Cascade gas/electric water heater in my caravan with something like this diesel heater, and as that water is used in the sink/shower, that's going to be a problem :).

[@EliteHydronics.]

@@Pieh0 This diesel heater would do dhw but only with a indirect store. i'm guessing the carver uses gas & the immersion for quicker heat up times for the stored hot water ?

[@Pieh0]

@@EliteHydronics. Yes, which as you can imagine, takes a long time to heat up if you're just on gas of electric.

[@thegeneral3094]

I put urine in mine this is the best inhibitor

[@vPerformance]

@@thegeneral3094 I put urine in everything, just to be safest.

[@vandalorian8777]

Would love to see the liquid side set up in a loop to simulate radiant floor heating in a camper van

[@rotattor]

I'm wondering if it can be run in a closed loop system and if it has any safety features like over temp and over pressure shut down, I'm thinking a Chinesium version doesn't.

[@Weirdracin]

@@rotattor Basically like a semi trucks with diesel apu heaters. Heats water to heat the trucks water system, which the trucks heater system then blows into the cab to heat it up. IF it is not ran thru the trucks cooling system with a pop-off for pressure, Might have to make a reservoir with a cap for returning water to go into, that the heater water pump would pull water from to run thru the heater. That would deal with pressure & a water thermostat valve to redirect water reservoir once the loop is at a certain set temp.

[@rotattor]

@@Weirdracin so basically the diesel heater just ties in to the vehicle engines coolant system via a thermal transfer radiator unit ( I forgot the proper name for it LOL! ). So the coolant system uses the reservoir for thermal expansion in a semi closed loop system ?

[@Weirdracin]

@@rotattor Ya, Usually ties into the hose to the heater core, but the vehicles cooling system would be part of the system for water expansion with also the radiator cap for pressure pop-off, should it get too high. They sometimes have a thermocontrols bypass valve system, to cut the flow partly to the engine, so most of the hot water is mainly circulated between the diesel heater & the heater core to heat the cab, with some going into the engine to help warm it also, when the heater core is at the proper heat requirement.

[@rotattor]

@@Weirdracin interesting, thanks.

[@codprawn]

Soft mount is a brilliant idea - the constant pulsing sends vibrations through most surfaces otherwise. I balance mine on top of some rubber gloves!

[@careyvautour1581]

Pretty cool video. Was going too buy one but was scared. Cause the first one I bought was wabasto and it was like $1500. Will be getting one of these. Thanks

[@Pitbullddy]

Who manufacturers these? I have been trying to find other sellers trying to find the best price and can't find any others.

[@albertanasoul]

www.cndeautoparts.com/Air-Heater-Water-Heater-Integrated-Machine-for-Diesel-c97700/

[@okvanlife7581]

Hey David great video. I would like to install one of these on my campervan. My questions: 1) it looks like the hot water pipe will have to go on the outside of the vehicle, unless u have another suggested way to install? 2) so for a camper, this is not going to be instant hot water on demand but need a hot water tank storage?

[@unicornswag888]

It's certainly not meant for "on demand" hot water. You'd definitely need a storage tank.

[@DavidMcLuckie]

Like the intake and exhaust the water pipes would need to be outside. The only alternative I can think of is building a box to raise it off the floor. Either storing of hot water, or attached to the vehicle coolant system to heat the engine.

[@Sarge084]

It definitely isn't designed for heating water for camper use, it's only purpose is to heat coolant water so engines are not operating from cold in frozen climates. In Canada they fit cars with electric sump heaters, this heater does that job, a lot better, and also heats the interior of a vehicle so it doesn't need de-icing before driving. This is its intended purpose, to attemp to use it for camper water heater would invalidate any warranty and would undoubtedly need considerable modifications with a water tank fitted with a heat exchanger coil.

[@ebenwaterman5858]

@@Sarge084 I agree. This is the go to explanation..

[@okvanlife7581]

Thank you all for your help, you can tell we are not very knowledgeable in this aspect. LOL .... back to the drawing board. David, your videos are awesome! cheers

[@unclejohn5012]

Don't plan on buying one of these... unless I buy a house but I'm waay too young. But your videos are way too good man. Super informative and interesting.

[@Gantzz321]

would not put this in a house, they are designed for RV, Truckers, and Van Lifers.

[@unclejohn5012]

@@Gantzz321 Sorry I worded that wrong

[@mtaway]

Another interesting and engaging video, thanks for your efforts!

[@Mumblix]

So, I could heat the water in the engine block at the same time I heat up the cab.

[@Weirdracin]

yes, which means you have a warm engine to start easy & also if needed use the trucks heating system to add more heat in other areas the unit is not in., thou you would be using that heating systems fan units, which will draw more power.

[@Pitbullddy]

A few trucking companies use this type of heater to keep the driver warm and the motor.

[@MyGoogleYoutube]

Or do something like a heated floor in a van.

[@byronmorris1594]

I was thinking the same thing.

[@TdrSld]

I would have to say the AU on the glow plug may just be the Amp's the Glow plug is pulling. When you started the shut down you can see the AU @ 8 and the Amp's on the meter around 8.5amps. Another great video, I would really like to see this thing on a car/truck, working to see just how "Hot" it can keep an engine in the cold.

[@ronwasser4852]

TdrSld me also but I don’t think it would do keep an engine block warm on a car/truck in freezing temps.

[@tonypet1518]

Entertainment, informationally. Brilliant video. Cheers 😁

[@petethewrist]

Great video as always, thanks I look forward to these going down in price as they are just what I need to go with the new shower fitted on my boat,, Lol Cheers, pete

[@macsheadroom3209]

These would be great for tiny home s

[@coldtrader4737]

Can you scavenge the exhaust heat as well using the EGR you used previously ? Be near zero point energy then lol

[@DavidMcLuckie]

That'll be happening. :)

[@cedley1969]

@@DavidMcLuckie turbo diesel inter cooler submerged in a hot-well tank with the exhaust blowing through it plus the recirc system off the blower?

[@MarkSaenz]

How long did it take to get delivered to you from China.

[@patrickcallahan2210]

Awesome!!! Great review! Looking forward to seeing how the testing goes and how the wiring differs from the standard. I can't imagine it is all that dissimilar from the standard one but maybe you could set up a breadboard to act as an intermediary to see what the different wires are doing :) It would also be interesting to see if you actually need to have water in it while running, though I would hate to see you risk damaging the heater...

[@DavidMcLuckie]

The heater won't care if there is water or not. Without water it just acts like an air heater. The only issue I see is if the pump isn't running and the coolant boils in a sealed system and pops a pipe off or something like that.

[@bendegoose9339]

Thank you for that David. I always wanted to understand how these things work.

[@user-iq2dv3pt3k]

привет конечно интересно, давай дальше, ждем с нетерпением !!! интересно какая температура воздуха и воды в сравнении со стандартным 5kw heater (hi of course interesting, come on, look forward to it !!! I wonder what temperature of air and water compared to the standard 5kw heater)

[@alanmay1945]

I always read the comments, to get more thinking on a subject, so when I saw your comment I have no idea what it says because you wrote it in a language that may as well be an indeciferable code. You must have understood what the video speech says, in English, so you must be able to comment in English as well. What is the point of commenting in a completely different language that nobody can understand? Alan, England, UK.

[@user-iq2dv3pt3k]

@@alanmay1945 very very bad that you do not understand me. I understand you perfectly. If you have problems, then use google translator and google chrome with automatic translation function. You have language problems, not mine. Russia. Moscow.

[@klaaskomvaak1816]

most importantly what was the fuel consumtion ?!

[@TheTwistedStone]

Someone else on youtube demonstrated how long a 10ltr tank of diesel would last using the same heater, result was 25 hours.

[@SomeTechGuy666]

@@TheTwistedStone Way, way less than idling the engine.

[@glynpayne4393]

What an excellent review! I'm late to the party but thanks for uploading!

[@skyoreece9805]

Well done David, great channel x

[@jasonhowell5362]

Nice one, I would like to see how this heater copes with heating a large body of water like a fish pond, as that is what I would like to do during winter

[@MrMadenuff]

I was thinking the same. Might be pushing it, but running through the filtration tanks might be better. Trying solar and heating elements atm.

[@jasonhowell5362]

@@MrMadenuff I think it would work, it worked for me with a small rocket stove I need to try lol

[@thegeneral3094]

@@MrMadenuff I run my out door swimming pool fine with one

[@DavidMcLuckie]

Do you mean a fish pond and somewhere else with the hot air? If not you'd want one of the diesel heaters that just heats water.

[@jasonhowell5362]

@@DavidMcLuckie Yes obviously would take a while to get desired temp but once there temp just needs stabilising and yes would like hot air too, I think the exhaust method would be better for what I require

[@ronniebeverage]

Ave's scottish brother

[@sapieattersisingere3288]

That's a good one

[@mickwolf1077]

Haha, yeap

[@beyondupnorth]

Do the instructions say if it can be used without the water side filled or wou.d it over heat

[@albiecraig9359]

Love your videos. Thanks for being to the point..

[@stu0500]

Mint vid. One of these in an all in one set up would be great.

[@immortalsofar5314]

Damn, I find this the day after my heater-only arrived! Damn you KZbin!

[@nilswiklund2406]

same here :-(

[@wojtkow]

Super-duper :) however I've missed one info: is that possible to use this webasto with turned off air fan, only to heat up water?

[@DavidMcLuckie]

No, air and water. Or just air if you boil off the water.

[@NickMango]

David McLuckie what do you think would prevent you from adding a switch to the fan? Overheating of the unit I guess?

[@toreolsen8126]

@@DavidMcLuckie Are you saying that you need to have the hot air blowing to get the hot water function ? Sounds strange .

[@M0GLU]

Hi. Thank you for you spend the time deep analyze this item.

[@rubenney7786]

really enjoyed the video and the commentary was very enjoyable.

[@vPerformance]

I like your pot of lava, but it needs more hot dogs.

[@Frz45]

I wonder of you could plumb it into a back boiler style hot water tank, and run a glycol through the loop from the heater to avoid corrosion of the chinesuminum 🤔

[@rolandmatters1619]

Yep I would think that would be essential or the aluminium would not last particularly considering the non potable water many will use while travelling if say just using the water heater for general washing/showering. I would use a stainless steel heat exchanger will glycol coolant running through the heater but of course you need to consider the correct implementation to ensure the primary water heating circuit is not over pressurised.

[@reallytho99]

@@rolandmatters1619 You think this could work for decently warm showers?

[@johnwittstruck7553]

Thanks for the great review,I have been looking for a thermostat that will completely turn on/ off the heater based on the set temperature

[@mickwolf1077]

Nice video, thanks for sharing. I was thinking how good these are or if a water only one would be better for camp showering. Would it be more efficient to heat water through an exhaust heat exchanger? I'm trying to fit my 5kw air heater into a ammo box.

[@DEVINE.IMAGE.]

Are you kidding me i have just fitted a normal one now i want this 1

[@wherethewaterflows6162]

I did two I'm pissed. lol

[@ltruong571061]

that makes three of us

[@spacesaverbob]

I've lost count now, just how many "Chinese Diesel Heaters" do you now own?? 3? 4?

[@DavidMcLuckie]

One 2kw with the end chopped off, one 5kw and the other 5kw that was supposed to be the air and water but wasn't. Plus the air and water one. That's four. Oh and a Webasto Z that arrived today. :)

[@danyf3116]

@@DavidMcLuckie Ok. I'll bite. What does the Webasto Z do that the air heater doesn't do?

[@DavidMcLuckie]

Heats only water. It's used as a pre heater / auxiliary heater on your high end BMW, Mercs etc. Another commenter found me one on eBay for £55. So I thought I'd get it for look.

[@gardenweld]

@@DavidMcLuckie ✔️ I have a pre heater on my Toyota Land cruiser

[@kemahp]

Thanks for this great video, it has saved me a lot of time and especially money!

[@marktamilia6782]

Nice video, been waiting for this...

[@goatman86]

isn't AU (probably AV) just Watts? A x V = W

[@telocho]

goatman86 AV is only Watts in lineair loads. As soon as you have a cosinus phi they are not the same (blind power)

[@ghulands]

Now you need another bucket of water with the EGR hooked up to recover more heat.

[@vPerformance]

EGRception

[@JoePJack1]

Don’t forget the DPF

[@michelschoenbachler5079]

Thanks for taking one for the team!!!! Looks good. the controller sucks though

[@DavidMcLuckie]

Yeah, no timer or thermostat. Shame.

[@GoingtoHecq]

I think this one with the water heater is the most interesting to me cuz it can make a nice heat battery. Also a good way to move some heat somewhere a bit further away. It just seems a bit more useful to me.

[@kristianhumphries8026]

With knowing the pump speed you can calculate the fuel consumption roughly low 2.0h 2.0×0.02=0.04×3600=144ml hour High 6.4h 6.4×0.02=0.128×3600=460.8ml hour

[@PT-mj3bk]

kristian humphries whats the 0.02 and 0.04 for?

[@kristianhumphries8026]

The pump is a pulse pump and has a set amout per pulse witch is 0.02 ml.if you say the pump speed is 2.0h that 2 hurtz meaning the pump pulses 2 times a second. So it be 2 x 0.02ml = 0.04 ml a second there 3600 seconds in a hr so 0.04 ×3600 =144ml or you can do 0.04 ×60 =? Then ( ? )×60 =144ml

[@PT-mj3bk]

@@kristianhumphries8026 Ah, thank you. I was missing that the pump pulsed at a given speed

[@jonasfrito2]

1 AU = Astronomical unit = the distance from Earth to the Sun If the glow plug is at 82 AU... Good luck finding it again

[@dans6127]

Was looking for this comment. I was going to say the same thing

[@DavidMcLuckie]

I had thought that. Perhaps it's the energy required to move a photon 1 AU.

[@greywuuf]

I am going with a bad translation for the U symbol of micro. And also being placed on the wrong side of the base unit ( A amps ) ..oh and it is off by a factor of ten .....but when your power supply was reading 8.2 ....the display was 82 Au .....if it is consistant ....well we know that a "gold" (Au) is a tenth of an Amp

[@QUADBOYification]

Dear David, good video's. I had this crazy idea of partly re-using the combustion air coming out of the heater into the combustion intake through a combined pipe setup. Will it work and reduce smoke and fumes?

[@speedmachine69]

I'm putting one on the boat with a diversion valve so I can send hot water to the hot water tank heat exchanger or main engine block...... the main engine is 850 kg of cast iron and boy does it love a little block heating action on a cold winters day..... really cuts down on the wear and tear on a cold start..... I've run two Chinese 5kw air heaters, one lasted +/- 8000 hours, the other threw a bearing and seized at 1500hrs, luckily at the end of winter. Greetings from New Zealand......

[@TOMAS-lh4er]

" DOG SHATE " !! THE REAL ENGLISH LANGUAGE !!

[@obde12]

Shite 😂

[@TOMAS-lh4er]

@@obde12 ha,ha,!

[@draventannoy]

Thx for your in depth unboxing! Could you check how much KW heating it can supply when heating water at the same time? Also max water heating kw when heating air. Would be very beneficial to know! Thanks

[@krazed0451]

Congrats, your video now features on the seller's listing on Ali :-)

[@andrewthompson5736]

David have you thought about increasing efficiency by increasing the surface area of the heat exchanger fins by wrapping them in a coil spring?