High pressure in your home can cause unnecessary wear on your piping system and fixtures or potentially cause leaks! A pressure reducing valve is a very important component that every home on a city water system should have. I actually had a friend who did not have one and when the water mains were being flushed, high-pressure ended up being spiked into his home and blew the plastic nut on the toilet water supply apart, causing flooding in his home for four hours while he was at work! But someti