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nicknox, but surely the ignition pcb is concerned only with igntion? Why would a fault on this board cause the boiler to shut-down/lockout after a few hours running?

Hi, Would really appreciate some help on this. I have a Potterton Promax 15HE - estimate 5 years old. A few months ago it developed a fault where it will not always ignite - this seems to be intermittent but will normally always fire when completely cold. Typical day - I have the boiler on...

Hi, In the airing cupboard I have 2 Motorized valves, both 2 port, one for CH and one for HW. The HW one has a slight leak (occasional drip) coming from it when HW is on. Last night this tripped out the fuseboard - hence me discovering the problem!. The valve is British Gas MV22Z. To...

ColJack, Excellent - that's exactly what I've done and all seemed well. Thanks for the reply :) Gary

Hi, Am just replacing an old exterior security light The current light has a terminal block for Live, Sw Live, Neu, and Earth. It has a supply of 3 core and earth (Red/Yell/Blue/Gr-Ye) See pic: The 2G switch that controls the light (on wall in garage) has wiring like this. The switch on...

Wiring

Thankyou very much indeed both. Did as you suggested and the pump was stiff to turn. It lossened up a bit and I got i turning more easily. Then tried the system and all working ok - pump came on. I'm guessing the pump should just spin freely though on a bearing, so looks like it will need...

Thankyou very much indeed both. Did as you suggested and the pump was stiff to turn. It lossened up a bit and I got i turning more easily. Then tried the system and all working ok - pump came on. I'm guessing the pump should just spin freely though on a bearing, so looks like it will need...

OK, so info is: Boiler - Potterton 15HE Promax Vented system (open tank in loft, immersion in airing cup) Tank in loft is full of water. I have bled all radiators (no air present). I have bled all drain valves (some air present). The problem: When the system comes on (either C/H and/or...

Hi, We moved house a month or so ago and have noticed this problem. Basically we have a main bathroom upstairs with an ensuite adjacent to it. The toilet from each bathroom flushes to a horizontal pipe which goes into the vertical soil pipe. So furthest from the S/Pipe is the ensuite toilet...