Frequently Asked Questions Q: I have recently had a new toilet installed into our apartment as the pan in our old toilet had cracked. Our new toilet does not have an overspill pipe and now the overflow pipe outside our building is constantly dripping.
A: It could be that turning the water off to replace the old wc allowed grit or scale to travel along the pipe and get stuck to the ball valve washer or it could just be old and worn out. It should not be an expensive job to re-washer or replace the ball valve.
Q: The overflow pipe just outside my downstairs toilet is now constantly dripping. I have made reference to DIY books etc but cannot find a definitive answer to the problem. I think it may be something to do with the ball valve in the cistern of the toilet causing the water level to be too high.
A: Almost certainly the ball valve in the wc cistern needs re-washering or replacing. Moderately difficult DIY job but with the potential to become much more of a problem if things go wrong, but depends on a number of factors, 1) is the ball valve plastic, 2)is it bottom entry or side entry to the cistern 3) is it brass and corroded etc
Q: I've recently installed a Bristan shower mixer (thermostatically controlled)sited inside the bath, but the hot water pressure is not very good as the hot water storage tank is in the loft (economy 7 water heater with its own built in c/water header tank )& the cold is mains pressure, at present the cold water is over riding the hot & all I am getting is high pressure cold water & a lukewarm shower, can I install a pump which to try & increase the hot water pressure as the cold water pressure is fine.
A: I don't know if the Bristan shower is suitable for tank fed hot and mains pressure cold, please check this carefully in the installation instructions, but if it is try fitting a pressure reducing valve to the cold supply. They are obtainable from plumber's merchants and would enable you to equalize the pressures. If not fitted to the shower you should also fit non-return valves to the supplies to stop reverse flow and back syphonage. Pumping the hot water is not an option.

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