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My CH (open-vented) system had undoubtedly got very clogged up with sludge - all the rads on the ground floor had very black water when I bleed them, though the water was clear from the upstairs rads, plus the system was very very slow to get warm. So rather than just flush the system I thought...

I'm fairly certain the CH system at my girlfriend's house is in dire need of flushing because this last winter the system was very slow to heat the house up and all the rads on the ground floor had very sooty water when I bled them, upstairs ones not so much. The pump was also making more noise...

Hi, My girlfriend's house has a cold water header tank in the loft that feeds to the hot water tank and all the cold taps except for the kitchen. My question is given that the mains must be feeding the tank and the cold outlet to all the taps must be one (or 2) of the tank outlets, would there...

I'm thinking of replacing a shower that is fed from an immersion tank with an electric shower because the tank is not very big so the HW runs out quite quickly. The problem is that it is in a studio in a block of flats in France and so I have almost no knowledge of how the water supply works. I...