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Would appreciate any opinions on the cause of this noise in a Vaillent Ecotec Plus 618 system boiler. It’s very intermittent maybe occurring for about 1-2 minutes every so often (maybe every 30-60 mins when the heating is on). Boiler about 4 years old; works perfectly otherwise; regularly...

Hi, I'd be grateful if anyone could help me identify an exterior door seal. It is white flexible plastic (pvc?) that is inserted into a routed groove. The seal is then a boxy flexible seal with two sections. I need to replace my seals but I have a search but can't find the exact replacement...

I'd be grateful for any thoughts on this one.... I have a problem that when the CH/HW are timed off, the pump keeps running. The humming noise drives us insane at night and we have resorted to switching the whole heating system off at the isolating switch. However our Honeywell 7-day...

Hi, Can anyone give me some pointers for this fault? I have a traditional gas-fired CH/HW system with a gravity fed loft tank. Controlled by honeywell programmable thermostat and 7-day programmer. A few months ago - sudden fault developed - the pump stayed on all the time even when...

I'd be grateful for some advice on this please... Conventional CH/HW system about 10 years old, Ideal boiler, Honeywell Programmer, 2 2-way motorized valves in airing cupboard. Recently we have found the boiler sometimes staying on after the programmer has switched both the HW and CH...