Is my home's water pressure (90 psi) too high?
October 29, 2008 10:01 AM Subscribe
Is my home's water pressure (90 psi) too high? 90 year old house with mostly PVC piping. In prep for a replacement hot water heater I measured the water pressure by the washing machine. The pressure gauge showed 90 psi, which seems high. How much of an issue is this?