How to Add Inhibitor Into a Vaillant Filter or Spirotech filter or Any Filter with a 3/4 Drain Point

[@TNT-1313]

Hi Mark. My boiler is making a light knicking noise can you please advise what can be done and how to fix it. Would greatly appreciated Mark.

[@stephenperry4638]

Whats the best boiler in your opinion please

[@Ed-fp9rx]

vaillant

[@stephenperry4638]

@@Ed-fp9rx thanks for the quick reply 😅🤣

[@Ed-fp9rx]

@@stephenperry4638 hahahahahaha what boiler did you end up going for

[@stephenperry4638]

@@Ed-fp9rx vailant eco pro I think 🤔

[@Ed-fp9rx]

@@stephenperry4638 good boilers

[@Allegedly2right]

Mark you are needing to learn the heat pump jargon to pass it on in plain English we are at a loss the uneducated.Heat calculation ect haha some cowboys out there,Goodman 10/10 Heat Pump you can do it

[@ggss1176]

Spirotech are crap design and no check valves either side of the unit. Those aerosol inhibitors are pricey.... far cheaper to purchase a 1 ltr container.