can any body please explain to me the calculation for determing the height of the vent pipe above a 50 gall cistern and the gap between the water level and the pipe.
Hi is it possible to convert a house to mains pressure without using a megaflo or the like. ei leaving the cylinder in place and fitting a pressure vessel. any advice appreiciated.
Hi does anybody know who makes the 3 port valve british gas fit? it has a blue head with british gas logo on it. it also has mv11qm on sticker.probably quite old.