Recent content by Iainmcr

It's now not switching on sometimes in the morning and sometimes in the evening which totally *******s up my theory about the cold getting to the gas valves! So taking it I've already changed the controller and that its affecting both HW & CH we must be looking at the PCB?

Aye me too! I've learned a fair bit about the capacity of gas pipes but very little about my own boiler problem. What I'm trying to find out is what I (as a maintenance electrician) can do before I have to call out a heating engineer, for instance can I rule out the 3 port valve? Or is the...

Its a Potterton Profile 50E

Mind you if it's inside the boiler I ain't going near it! I'm a sparky not a kamikaze ;o)

The pump is running which makes me think that it's the boiler, but just wanted to rule out anything I could deal with myself before calling anyone out, I'll have a look at the wiring over the weekend, but as with all intermittent faults if it's electrical unless its a loose connection it's going...

Hi Looking for a bit of advice before calling out a heating engineer. We have a quite old Potterton Boiler which is well maintained. It has just recently developed an intermittent problem where in the mornings neither the CH or HW comes on via the controller. If I manually boost or advance the...