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Ok, probably some dumb questions here, but I need to go through a process of elimination. The DHW from my Vailant VCW 242 boiler is not particularly hot. I can get it hotter out of the hot tap if I run another cold tap (which reduces the flow from the hot tap). So.… eventually I came to the...

Hi all, I have a vaillant vcw242e boiler and a meynell viscount thermostatic shower valve. For a while I've been struggling to get decent hot water, and the only way I seemed to be able to fill a hot bath was to run the cold tap in the sink. I'd determined from stuff I'd read around the net...

Hi, I've been experiencing a lack of really hot water lately. Its not too bad, but apparently not hot enough for a bath for the Mrs (she seems to like 3rd degree burns!). I've found that running the cold tap in the sink while filling the bath with hot makes the hot tap in the bath significantly...

I've been trying to replace the diaphragm in the water section of my VCW242E boiler. I've got the instructions from Vaillant, and followed the steps to turn off the boiler; gas service cock, CH service cocks (x2) and the DHW cold water service cock. The next stage was to undo the unions on...

Hi, First time posting so please bear with me! My boiler has stopped producing hot water automatically, I have to push the lever arm with the spring attached to close the micro switch manually, and then push it back after to turn it off. Can you tell me what I need to replace and how I go...