How To Add Inhibitor To Central Heating System

Follow these steps to add leak sealer, cleaner, inhibitor or any other chemicals to your radiators without draining the system.
How to drain a central heating system housewarm.co.uk/how-to-drain-...
Adding inhibitor blog post guide housewarm.co.uk/add-inhibitor...
Learn how to add inhibitor to a central heating system and protect it from limescale and corrosion.
This can be tricky and messy when doing it for the first time, so be sure to put some old towels down. You might have really sludgy heating system water and you don't want chemicals on your carpet either.
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If the water doesn't stop coming out of the bleed valve when you release the pressure, it means at least one of the radiator valves is faulty and not closing. You'll either have to dose in another radiator or drain the heating system.
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Video chapters for quick access:
00:00 Preparation
00:23 Isolating the radiator
00:47 Releasing the pressure
01:11 Draining the water
02:05 Fitting the dosing tool
02:37 Adding the inhibitor
03:41 Refitting the bleed valve and blank
04:16 Opening the valves
04:47 Bleeding the radiator
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