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Hi all, need to check the legality of something with you Gas Safe guys. We're having much of our front wall rebuilt/re-pointed. 3 gas meters are screwed to the wall via old render, which has been stripped from the rest of the building. Our builder needs the meters to be unscrewed so that he...

We've got a couple of internal damp patches due to penetrating damp - the result of cracked, external render. We're thinking of having the render chipped away only where the problems are. The new scratch & finishing coats will be waterproof, but do you foresee any problem in the long term? Or...

What is a reasonable amount of time to wait for boiler parts? There was an accidental back-flow of water into our Vaillant Eco-tec 824 and the fan mechanism was damaged. Possibly the gas valve and electrical display too: the later appears to be fine, but the engineer said he'd order a spare...

Hi, the outlet pipe from our sink blocked and when I tried to flush it through, water traveled up our boiler's outlet pipe (plumbed into the same pipe) and started dripping out from the underside of said boiler. Things were alright for a while, but now we have no hot water. Two symbols...

We've just had a combi boiler installed (a Vaillant eco tech plus). If mains water supply is cut off due to road works/burst pipe/whatever, will the central heating still work? I appreciate that we wouldn't have hot/cold running water, but would the rads still fire up seeing as the heating...

We want a new boiler installed and access to the roof will be required to fit a new flue. Will the fitter we choose have to notify Building Regulations regarding the boiler installation? Is this mandatory and, if so, does someone come round to inspect the work? Any help appreciated, thanks.

Hi, we're after a new Worcester Bosch combi and have used their site to find accredited fitters in our area. Although we now have a couple of quotes, we're wondering whether what one fitter is proposing will void the manufacturer's guarantee. Basically, the gas pipe that supplies the...

Hi. Can anyone recommend a direct replacement for a Glowworm Spacesaver Mk 2 boiler? Preferably something that can be slotted in with little or no amendment to the existing pipes. I'm asking on behalf of my mother. She'll be getting someone in to do the work, but just wants an independent...

Is it illegal to run the outlet pipe from a sink through the exterior wall of a house and down to a drain, or are there regulations in place to assure that the pipe runs down the inside of a building (this seems to be the norm)? I ask as we live on the second floor of an Edwardian house and...

What would be the best sealant to use to stop a miniscule drip between the toilet bowl and the pipe that leads to it? There's a plastic bung at the join and I replaced it last year because the dripping was really bad, but, because of a slant in the floor, there still seems to be a tiny bit of...

Hi, I need to replace the gate valve and zone valve in the pic below and there's still (hot) water in the pipes shown, though I've drained all the radiators etc. I've just opened all the hot water taps and they've run dry. Is that enough to get rid of all the hot water, or do I need to...

The current diverter valve in our system is a Honeywell, probably dating from the late 70s. It's possible the model number is 8050 as that is what is stamped on the inside of the metal cover. Can't find anything about it on the net, so if I just buy a modern 2 port Honeywell Diverter valve, will...

Hello. I'm wondering if it's possible to replace the diverter valve in my heating system without having to drain it? If I just close the valve at the base of the pump directly above the diverter (see pic below), is that going to be enough to prevent water flooding all over the place, or is...