Our article has links to different water pressure gauges you can purchase online or from hardware stores. www.watercommander.com/articles/how-to-measure-your-homes-water-pressure Water Commander™ backup sump pumps only use water-pressure to pump, no batteries or electricity. Even during power outages, when other backup sump pumps quickly lose power, Water Commander pumps will operate as needed for an unlimited amount of time. Learn more at www.watercommander.com