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Hi again, I realised what NTC was just after I posted. I have changed the CH thermister ( had one from a previous fault. Was draing the system down to change this and the boiler fired up. I had previously reverted the system back to using the onboard clock and eventually by passed this also...

Hi Tony. Thanks for the reply NTC stands for ?. Big wory is that the PCB has gone ...again. regards

Hi, have just returned after the long weekend. pressure on my boiler has been dropping slowly for some time so i checked on returning pressure was around 1 Bar. increase this slightly (1.5) but on checking it would seem that I musn't have closed the feed valve fully( found this out later)...

Hi and thanks for the prompt and helpful reply. You were spot on , silly me had taken ablue wire to the neutral cluster instead of to where it should have bee. All is now well and thanks again for your assitance. This really is a great site. thanks

Hi I fitted a honeywell y plan system some time back and all has been well...until tonight. I felt the DHW was too hot and turned the cylinder stat down and noticed later that there was no heating. The fused spur unit had blown its 3 amp fuse and did the same to the replacement. When I...

Got to say thanks for your constructive and helpful response!

Hi, I've purchased 2 No Glo -warm ( Ultraheat?) white radiator valves which have 3/4" BSP threads on both the outlet and inlet. They are supposed to be for 15mm pipe but a 15mm olive fits inside the bore of the inlet and a 22mm olive is too large! Simalarly a 15mm pipe is a 'shoogly' and a 22mm...

yep, thats what i'm thinking, easy to distinquish between the salamander pipes by following back to ch system.

Hi, thanks for the replies. I was beginning to think that this was a cowboy installation. Perhaps you can give me further advice regarding getting control of the DHW. I was considering changing the programmer timer for a honeywell unit and coupling this with a mid position valve, cylinder...

HI, I have a friend who has what I think is an unusual plumbing arrangement for her DHW. The feed to and supply from the DHW cylinder are as normal. However there is no immersion heater fitted and instead the boss has been blanked off and has two 15mm pipes coming out of it. I imagine thes...