Ball valve, high or low pressure munity Forum
06/11/2006· The use of HP inserts on mains and LP inserts on tank fed supplies is correct. BUT if you want your high pressure feed to fill your cistern quickly use a LP insert and providing there is no water hammer/excess noise/vibration etc leave the LP insert in. If its hammerring and vibrating put a HP insert in. Of course if you use a HP insert on a LP system the problem you will have is the cistern




































