3 Wire Well Pump Vs 2 Wire

In a 3 wire pump the relay and start capacitor is not in the pump but usually in your basement inside a control box.

3 wire well pump vs 2 wire.

Simply put if the deep well pump you need has a motor larger than 1 5 hp the safest bet is to go with a 3 wire well pump so it starts and runs properly. 3 wire motors have a black red yellow and a green wire. 2 wire motors have two black and a green wire. The main difference between 2 wire and 3 wire well pumps is characterized by where the starting components for the motor are located.

In this video i go over the differences of a 2 wire and a 3 wire submersible well pump this is associated with the starting components for the pump and whet. Most 4 submersible well pump motors used in residential applications are available in 2 wire or 3 wire configurations. The pump of course is still in the well. Technically speaking your pump capacitor needs electricity to start.

If your application doesn t require such a large well pump then it comes down to a few purchase decisions. Three wire well pumps house the starting components starting capacitors running capacitors relays and thermal overloads in a control box or panel. Subscribe ring the bell. 2 wire vs 3 wire well pumps.

The ground wire is not counted in the terminology. In this video chris explains the difference between the two most common submersible well pump motors. In a 2 wire pump the relay and start capacitor is located in the pump itself and the pump is in the well. The two wire pump does not use a control box.

The main difference is the three wire pump uses a separate control box which includes a capacitor and relay to start the pump.