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I recently had a new indirect unvented cylinder installed (to replace my old vented cylinder). I believe the new cylinder includes a backup immersion heater. However, it doesn't look like the installer has wired it up, so I have no way to switch it on. Is it standard (or acceptable) practice...

Just had an invented cylinder installed. It appears that instead of making use of the Balanced Cold on the PRV, my plumber has instead added a T piece to the PRV outlet. So that it directly feeds both the cylinder and all taps & showers etc. So it still seems balanced, but I’m just wondering if...

I am considering having my vented hot water cylinder upgraded to an unvented cylinder. Therefore, I will also need to have our power shower replaced with a mixer shower. However, I only wish to do this if the shower performance is going to be the same or better. How do I ensure this will be...

I've just moved into a new house and something doesn't seem quite right with the heating system: if I turn the hot water off, and the central heating on, the hot water will turn on as well. I have a regular boiler (Potterton Prima F) with a vented cylinder. There is a mid-position valve by the...