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:lol: I'll get the wife to have a go

Thanks both - I am guessing the heat has borked it. Any tips for removal barring a destructive job with a screwdriver?

Quite sure. The bezel appears to be a single piece with no split at the inner ring, although there are two noggins that look like they are supposed to provide grip for turning (but are actually to small to be any use). I've attached a couple of photographs.

The bulb in one of my sealed bathroom downlighters has blown but I cannot for the life of me work out how to get access to the bulb. Having prized the sealed unit out of the ceiling I can see it is a GU495 and the manufacturers tell me that the bezel should unscrew anti-clockwise to give...

Thanks. The pump is reasonably new - replaced maybe 8 months ago so I hope it's not gone again. The annoying thing is the bg guy probably won't have any of the parts he needs on his van so will have to come back. Anyone got any ideas what might be causing the loss of pressure?

ha! Yes it was a bg engineer last time. I've amended my first post now to make it clearer! Thanks

Evening all, I'm encountering yet more issues with my Potterton Puma 80e and I'm wondering if you can help me diagnose the problems. My knowledge is basic at best. Boiler is approximately 10 years old running 5 rads - very small system - in a first floor self contained flat with one rad...

Thanks. How much did the new part cost and where did you get it from?

I have a similar sounding problem with my Puma 80e. It goes something like this... although only seems to happen in the evenings 1. Turn on hot water tap, get hot water after a fair wait (its always been that way though). 2. Close tap. 3. Between 10 - 20 seconds after I get the...

Connected it last night. Seems to be working fine wired the way you both suggested.

This also makes sense to me now, although I assume I don't need to worry about wires to the boiler as they won't change? Thanks again for helping a dummy!

Sorry didn't notice the edit. This makes sense. Thanks all for your help

correct battery operated. the stat that is in at the mo has three wires from the wall Blue, Red and Yellow with red on end.

Does this link help? ... wiring diagram http://www.honeywell.be/DocsAdobePDF/EN/Chronotherm/CM90X_ig_EN.pdf

There is a little block inside the stat with 3 terminals in it, one marked A, one B and one C. The wiring diagram shows Live into one (can't remember which now) Neutral into the other, no mention of Switched. So are you saying I put Live and Switched into one terminal and Neutral into the...

Thanks for the prompt response. Apologies for being simple but ... I have 3 wires (L N and Switched) and 2 terminals (A and B)???? Also, I am right in thinking throwing the CH breaker will also do for the stat or is it a separate circuit? I don't want to get fried!

I am looking to wire in a programmable room stat (Honeywell CM907) to replace my existing manual one (Potterton). Existing one is connected to Live, Switched Live (?) (Yellow with red case at end) and Neutral. Live to connection marked 1, switched to 2 and neutral to 4 New stat has A, B...