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  1. M

    How do i know if my control is hybrid ?

    Hi chaps, Can anyone tell me how to find out if my Vaillant VCW GB 240H combi boiler has a hybrid control or not ? (the boiler is 17 years old) I need to know this as i am fitting the new type of DHW heat exchanger and and i have been told that i need to know this before i install it...
  2. M

    Vaillant VC GB 112 EH THERMOcompact problem

    Hi again chaps, (sorry to be a pain) Guess what my other boiler has stopped working and i need to get this going ASAP as i have livestock which rely on this. I have checked all the obvious and checked fan and pump are not jammed, If i turn on the main switch the fan and pump both start and...
  3. M

    Vaillant DHW heat exchanger conversion kit ??

    Hi there all, This is my first post and hopefully someone can help me. I have a vaillant VCW GB240H combi boiler which has the usual fault with the plastic DHW heat exchanger (leaking). I have the conversion kit to install my problem is that i purchaced this kit about 2 years ago but never...
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