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Hi, I'm looking to move the WC and I can see that the standard pipe bends and Tee branches have built in fall which is very convenient. On further investigation of the required fall, I can see the recommend ratios sitting between 1:40 and 1:80 but the standard fittings angle of 92.5 would give...

Just a question, what happens if a live current goes down the orange wire on a not energised (position W) drayton mid position valve, not as an output but as an input?

I've moved into a house with very basic central heating controls (one of those timer dials from the 80s) and non traditional piping set up which is causing some complications and I want to do the minimum work at the minute to modernise it. The way they've piped up the house the boiler sits...

My cold is mains fed and I'm looking to install a single impeller on hw (tank fed). I've already raised the tank to ensure I have the minium ltr/min feed but what I'm wondering is, if at the bath/shower I start mixing the cold and hot then isn't that going to affect the hw ltr/min feed and...

Hello All, Just wanted to get some feedback on a system design I came up with. I understand that in a vented system the water in the tank should remain below 20 degrees to prevent legionella but it never made sense why you would route the hot water vent pipe back into the tank. I took...

Hi, Just bought a new copper cylinder and looking inside, the central heating coil is rippled. From what I understand ripples are bad and can result in erosion over time. Since I want this cylinder to last 20 years would it be better to return it? Am I making something out of nothing? Thanks...