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fitted the shower without a pump and the pressure is fine. i swear there is more than 0.1 bar pressure in the bathroom-even though the bottom of the cwst is about 1 metre from the shower rose! by the way are these venturi shower valves actually built into the showers or are they separate...

i think he has enouhg head to not need a pump anyway actually-at least 1 metre from the shower rose to the level of water in the CWSC. How to shower pumps conne to the electric then? WHat size cable/fuse do they need? Could they be wired up via the juction box/immersion heater connection unit?

yep the leccy seems straightforward enough. i'm not part p yet! technically you need to bepart p to install a new circulating pump/motorized vale/immersion heaterhough and ti have done that before as have many people ! ... any pumps available that don't need a leccy connectin then?!! :)

I don't know what your system is, but having a gate valve on the F & E cold feed is asking for trouble-it is DANGEROUS!!!!!

Hi I am learning plumbing and have done some small jobs for family and friends already. I have been asked to fit a manual mixer shower at the weekend for my friend with a saalamander pump. I can bend/cut/solder/join copper pipe no problems and know that to fit a anual mixer shower I...

usually the cold feed joins the boiler (primary) flow pipe - if close coupled which mostly systems are.

if anything it would be the cold water tank. NOT the f & e.

why would a shower backfill the F & E?

apart from a faulty float valve letting water by, or a hole in the float ball preventing the float arm rising and shutting off the supply, and a pinhole in the hot water cylinder coil, what other reasons are there for a Feed & Expanison tank overflowing?

by mixer/shower valve do you mean with maisn fed cold and low pressure hot water, thus the mains pressure pushing the hot water back into the cylinder and back up the old feed into the cold water cistern?

if electric showers fail you can get replacements for as little as 50-60 pounds now! how would someone be able to check if there is power to the tcd and elements? with a voltmeter?

Hi I am doing a bit off fault finding for my homework and have come up with the fllowing problems / symptoms that may occur. are these correct/have i missed any out? any help i would be thankful for. thank you for any help. Pump fault: making loud whining noises virbrating more...

sorry to be a nusiance again - but was i correct or incorrect about the wiring of the motorised valve as in the previous post? thanks for your time.

their is the thick rubber part, the plastic ring cap (like a thin back nut) and a polystyrene type think round washer - as said by a poster, this goes inside the sink under the waste outlet

thanks you for your help. am very greatful.

thanks for your help guys so far. one other point i forgot to check / ask? when a 3 port mid position valve is only calling for heat the orange wire is made live (as it is connected to the same terminal and the calling (usually number 1) of the cyl stat.(and also pump and boiler) when...

a quick question if i may - i have bought a basin mate (as advised on this site) from b & q - called a vanity/basin washer! when putting it up to the bottom of the basin, do i use any putty around the top as i would for a normal washer, and also the plastic coating on the outside (like a...

hmm ok thanks for that advice. I know Part L1 states bypass valves/circuit to be installed but It doesn't make sense as a 3 port mid will always have 1 port open anyway!!!! strange..

Hi - I am studying central heating as a module. I have a few points that I think is right but would be appreciative if anyone could tell me if the following points are wrong/or could be slightly added to.... Thank you for your time help and advice. Best wishes, James. first point: if...