Q:

How do you prime a well water pump?

A:

Quick Answer

To prime a well water pump, take out the fill and vent plugs of the pump, pour water in its housing, and reattach the vent plug. Position the fill plug, switch on the pump, and allow water to come out from the fill plug's edges. After tightening the fill plug, switch on the pump, and turn on the pressure tank's faucet.

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Full Answer

Begin priming a well water pump by switching off the pump. Take out the fill plug located on the center of the pump housing's top side using an adjustable wrench. Normally, the fill plug is a bolt with a square-shaped head and is present right over the suction line.

The vent plug is located next to the fill plug or right over the suction line. Loosen this plug, and detach it completely. Now pour water in the housing slowly until the latter is completely filled. This causes the water to go into the suction line, thereby pushing the air back via the housing.

Reattach the vent plug tightly, and loosely position the fill plug. Switch on the pump, and operate it until the water starts to come out the fill plug's sides. When this happens, switch off the pump, take out the fill plug, and pour more water in the housing, if required.

Reattach the fill plug tightly, switch on the pump, and turn on the pressure tank's faucet located towards its bottom side to let the air out. When the pressure of water within the tank starts to rise, turn off the faucet.

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