Low water pressure results in trickling showerheads and faucets, but high water pressure can damage your plumbing system. Similar to checking your indoor air quality, testing your home water pressure a few times a year can help you identify and remedy problems before they get worse. Use this as a guide on how to test the water pressure in your home.
The Importance of Testing Home Water Pressure
Many people only think to test the water pressure when it becomes noticeably low. However, too much of a good thing can be bad. High water pressure can harm your pipe connections, water softener, water heater, faucets, and appliances. Blowouts in flex lines and washing machine hoses are also more likely, which could, in turn, flood your home.
How to Test Home Water Pressure
The only tool you need is a simple, inexpensive pressure gauge, which you can purchase at any hardware or home improvement store. Look for one with female hose threads for easy hook-up, a rubber gasket to form a tight seal, and the ability to measure up to 300 pounds per square inch (psi).
With a pressure gauge on hand, follow these steps to test the water pressure:
1. Preparation
Make sure all faucets, showerheads, dishwashers, washing machines, refrigerator ice makers, and sprinklers are off. If water is moving anywhere in your plumbing system, this may cause a low-pressure reading.
2. Hook Up Pressure Gauge
Hook up the gauge to an outside faucet or hose bib. If you get your water from a municipal utility, select the one closest to the water meter. If you have a well, choose a hose bib as close as possible to the well’s pressure tank.
3. Measure Water Pressure
Tighten the gauge by hand and open the faucet all the way. Look at the gauge to determine the pressure. An ideal reading is between 45 and 55 psi. If the pressure is below 40 psi or above 80 psi, you should take action.
