Search results

Hi! I would like to know if the Expansion Vessel (the one of hot water) may cause return in the 3 Port Valve straight to the central heating. Can anybody tell me something about this subject? Thanks Nice weekend lfcardoso

- Vaillant Turbotec Pro ES/PT 242/3-3M - Hi! Why the domestic hot water doesn't heat up when it's only selected to do it, being the temperature of the heating output of 65º, and consequently the boiler turns off :?: Can anybody help me in this matter, pls? Any ideas are welcome...