vcw

Hi I have a Vaillant vcw 242 eh, the hot water is working well on it and is getting up to a good temperature to flow rate. The problem i am having is with the central heating. When the thermostat is clicked on it fires up, but if you click it down and then click it back on again the boiler...

Hi guys, I've got an ancient but usually reliable vcw boiler, we've had it for over 20 years and its been trouble free till now, its been service every so often. The problem is as follows; On the hot water side the has ignites and cuts off every few seconds whilst the hot water tap is running...

Hi i have a very old Vaillant and its done me very good service but now go a problem When DHW is demanded the boiler does not fire up at first I thought it was the differential valve not sensing the water pressure but the pin was moving and the micro switches were going over the CH is fine but...