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I've come across a mains supply pipe which is copper with a black plastic sleeve. The question is that the copper excluding the sleeve has an OD of around 15.6mm - too large for a compression fitting stop cock (the existing stopcock is knackered and I only have an inch or so of the copper to...

I've come across an unusual domestic pipe work situation in a 1970's house with original plumbing which is constructed of some kind of black plastic. The main stopcock needs replacing. It's fed by black plastic mains pipe. The unusual thing (in my experience) is that the house is then plumbed...

I'm replacing an electric shower for a customer and as usual my quote said I would only connect it if the wiring was suitable. The old shower was 8.5kw and had been working well for years (but the on/off switch was faulty so it had to be replaced). When I come to do the job I find the...

I'm fitting a new self contained power shower fed by 15mm chrome Pipes. Question regards joining the pipes: Soldered and pushfit joints - I presume I need to remove some of the chrome plating before soldering/pushing - whats the best method? Thanks in advance

I'm currently preparing for an inspection as part of my Part P registration and have a question. The installation I'm working on as part of a bathroom refurb does not have its main water supply pipe bonded to the main earth terminal. The gas is. The bathroom will have a heated floor and new...

Can anyone advise: Bathroom light on ceiling approx 2.4m high. Do I have to use a specifically designed light for bathrooms or can a normal pendant be used? Thanks

I'm installing a bathroom light which incorporates a shaver socket - its double insulated, class 2. I'd like to feed it from a ring which just happens to be under the floor in the right area. Can I do this using a FCU? The FCU can be fitted in or under a bathroom cupboard. Does the FCU need to...

I have to fit a mixer shower to a Megaflow sealed hot water system. Can anyone advise if there is anything I need to look out for or anything diferent from utilising a "normal" system? Many thanks.

fitting a new kitchen and thought the mains pressure seemed high - measured it and its at 6bar. I thought the norm was around three - am I in the game of fitting a pressure reducing valve or is 6bar ok? Thanks for any replies.

I'm installing a new sink mixer on an unbalanced (mains cold and tank hot) system. Can anyone advise whether I use single or double check valves - in fact in what circumstances would you use single and doubles? Many thanks.

A "couple" of questions for the experts re my new kitchen wiring. I'm keen to get the wiring right as I'm going for the IEE Domestic Installer Scheme in the new year and want this to be one of the inspection installations. I do the 2381 training later this month but typically need to do the...

Can anyone recommend a good stud and cable locator without paying the earth?

Can anyone advide the best method/materials to seal a garage floor prior to painting it. Thanks.

Can anyone advise if there are any special considerations to take when fixing porcelaine wall tiles?

Has anyone got any experience of becoming Corgi reg to work on domestic gas installations? I'd like to become registered but do not have relevant experience and am self employed ie unable to have "on the job" training? The various web sites I have visited seem to make it deliberatly difficult to...

Can anyone recommend a good text book on plumbing and heating? Most seem too basic. I need one which will cover all the topics a pro would know. Don't worry I have no intention of touching gas appliances but I often get asked to move rads and do similar work. Thanks in advance.

Hi all, I have a 32mm waste pipe which is vitually blocked with soft deposits (I cut it to move the sink). The pipe goes under the floor and I dont want to replace it if I dont have to. Can anyone recommend the best substance for clearing it once the new sink is connected? There wasn't a...

I've tried searching the forum but can't find the answer.... I need to bed a cast shower tray onto a raised base. I plan to use waterproof tile adhesive (cement based) onto a marine ply base, can anyone advise what thickness of ply I should use? Thanks

I am installing a new bathroom. Question: I know it's "preferable" to run the sink/bath waste to a new connection to a vertical soil pipe but in this case its around 5m of difficult run to the external soil stack. Is it permissable to connect to the horizontal 110mm toilet run within the room...

Can anyone help me decide between a Sanipro and a the Turboflush as sold by Screwfix http://www.screwfix.com/app/sfd/cat/pro.jsp?ts=01187&id=94490 I have to install a new bathroom (bath, shower, pan and sink). I have some experience of the saniflo products but the turboflush is considerably...