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Thanks for the post spacethe gas. Does "no problem" mean that I can leave the olive on the pipe? Regards Mike D

Hi I am planning on replacing a radiator valve. Is it essential that I replace the olive on the pipe valve connection? Looks to me like there are risk in removing the olive e.g. damaging the pipe or the pipe being distorted. Are there any risks with just leaving the olive and nut on the...

Breezer thanks for your post. What I was doing was moving a PIR so I had to disconnect all the wires to it. To save time/because I am incompetent, I didn't disconnect the control panel from the mains or disconnect. So when I disconnected the wires it blew the aux fuse. So I guess in future...

Ha fixed that, the problem was a blown fuse for the PIR's on the control panel. Just out of interest when I am fannying around with PIR's etc should I disconnect the mains power & battery? Thanks & regards, Mike

Hi I have a Texecom Veritas R8 alarm system. I have just moved a PIR and now when I try arming or testing the system all 6 PIR's that I have appear to be in fault. Can anyone give any advice on this? The PIR that I moved looks to be wired correctly. If I remove the cover on the PIR...

A quick question, which may be a dumb one, but this is the first alrm I have fitted. When wiring up all the tamper alert wiring should I just run all eight/sixteen wires into the TAMP terminal pairs or is it better to run them first into a comnnector strip then to the TAMP terminal pairs...

I've not really looked at the boiler since my last post. When I took the radiators off most off the plaster came off the walls with them. So I have been concentrating on replastering. I am awaiting the Ravenheat User Manual before I do anything else. I will probably fit the new rads, have...

Not sure if it's an expansion tank or vessel. The boiler is a Ravenheat RSF820/20. We moved into the house fairly recently and there is no User Manual to be seen. I have ordered a manual from Ravenheat, which should arrive any minute. The boiler is located in the kitchen above some...

The rad was an upstairs one. I think there are two rads between it and the boiler. When I took the rad off the pressure on the boiler dropped to about 0.4bar. There was a bit of leakage out of the valves overnight, which I assumed accounted for the pressure drop. I filled the pressure upto...

Hi there. Back again. I have a combi boiler, sealed system. I have taken one of the rads out of the system to do some decorating. Closed off the valves, removed the rad etc. The cold pressure on the boiler was at 1.2 bar. I turned the central heating on and the pressure went through...

Splendid. I shall follow all your sagely advice. Thanks alot. Mike

Paul It looks like the nation needs an answer! I spoke to a guy at work, who thought that I would only need to drain down below the level of the upstairs rads. Does anyone have a definitive answer on this? Mike

I have a sealed central heating system. I want to replace a few rads upstairs with smaller double rads. Do I need to drain the system fully or just the upstairs to below the radiator level? Any advice is gratefully received. Ta Mike