3 Wire Well Pump Vs 2 Wire

The control box is located inside your house or pump house.

3 wire well pump vs 2 wire.

2 wire motors have two black and a green wire. Everything is built inside the motor of the pump. If your application doesn t require such a large well pump then it comes down to a few purchase decisions. 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.

Subscribe ring the bell. Technically speaking your pump capacitor needs electricity to start. In a 3 wire pump the relay and start capacitor is not in the pump but usually in your basement inside a control box. In this video chris explains the difference between the two most common submersible well pump motors.

The main difference between 2 wire and 3 wire well pumps is characterized by where the starting components for the motor are located. The main difference is the three wire pump uses a separate control box which includes a capacitor and relay to start the pump. 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.

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. Most 4 submersible well pump motors used in residential applications are available in 2 wire or 3 wire configurations. Three wire well pumps house the starting components starting capacitors running capacitors relays and thermal overloads in a control box or panel. The pump of course is still in the well.

Control boxes are usually mounted on a wall above ground.