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Hi all , I want to replace my standard towel rail valves with a trv and lockshield as it seems to be running on the hot water circuit instead of the heating circuit. I noticed that the particular one I'm interested in has a max operating pressure of 10bar and a max differential pressure of...

My customer has been online and bought a Telford Tempest cylinder which has come with a control group, tundish, zone valve and expansion vessel. Unfortunately the expansion vessel has no back nut or olive at the point of entry and it seems to be something other than a bsp thread. The vessel is...

Can anyone tell me if there's something like a meers calculator specifically for U/F heating

Has anyone used PVC shower wall panels. A customer has expressed a preference for panels rather than tiles. They would also like a folding shower chair but I don't know if PVC panels would be strong enough. I do know that panels are available with WBP ply cores but I'm trying to keep the costs...

Has anyone used PVC shower wall panels. A customer has expressed a preference for panels rather than tiles. They would also like a folding shower chair but I don't know if PVC panels would be strong enough. I do know that panels are available with WBP ply cores but I'm trying to keep the costs...

Hi all, can someone tell me why when I apply a finish coat over bonding I always have trouble with bubbling. I'm not a pro but I have done a fair bit of plastering and get on well if I'm finishing over plasterboard, it's just that if I have to bond out first I don't have the experience to know...

Hi all, I am in the process of designing a summer house for next spring and need some advice. My idea is to lay a concrete base of 100mm with steel mesh and then to have a short brick plinth on which would stand stud frames which would then be boarded and clad in plastic shiplap.my question is...

Hi all I have just had a freshwater 6000 domestic water softener installed but the plumber has not commissioned it as he said the instructions for doing so are poor. he has now left me with a softener installed and no water apart from drinking water. is there anyone who can run through the...

hi all, hope someone can help. I've just installed a new greenstar 24ri boiler and have hit a small snag. The boiler is a replacement for an old potterton that after 20 odd years gave up the ghost. The new boiler fires up ok when hot water is required and will shut down when the set temp for the...

Please can anyone help. I've had to move some socket outlets in my kitchen to provide points for new appliances. my kitchen ring main is protected by a 32a b class mcb which is fed from a 63a 30ma rccb. before I carried out the alterations everything was working fine but now the work has been...

I wonder if anyone can help with this question. A customer has asked me to put in a new central heating system, no problem, but hes asked me if his bathroom rads can work independently from the rest of the house. At first I thought about using a three channel programmer and zone valves but this...

I need to change my old back boiler and I've been told I can but I need to qualify in order to exempt me from having to fit a condensing boiler, which leads me to the 2 questions I have. 1) is there such a thing as a condensing back boiler and if so who makes it, and 2) what conditions do I have...

Though I'm not a pro I've done a fair bit of plasterinf in the past and 9 times out of10 can get pretty good results but its often the backing coats that i struggle with. the trouble is there are so many different types, ei bonding browning hardcoat etc can any one please advise me which...

for a domestic dwelling, which is more suitable, a consumer unit protected by an rcd or one with a double pole isolator ?