it’s usually printed inside the plastic cover of your old switch. You should also buy a new pressure gauge and a 1/4-in. by 6-in. galvanized nipple. Flip the breaker to the pump switch and check ...

Stick-type pressure gauges resemble a ballpoint pen are simple and compact, and don't need batteries. Pressure is read off of a sliding scale proportional to the air pressure. Digital gauges have ...