Well Pump (Submersible & Jet)
A well pump is the motorized pump that draws water from a private well and pushes it into the home’s plumbing, either lowered deep inside the well casing or mounted above ground.
Homes not on city water depend on a well pump to deliver every gallon. A submersible pump is a sealed cylinder lowered down inside the well casing, sitting below the water line and pushing water up. It is the standard for deeper wells because it is quiet, efficient, and out of the weather. A jet pump instead sits above ground, often in the basement or a well house, and pulls water up using suction, which works for shallower wells.
The pump does not run constantly. It fills a pressure tank, and a pressure switch turns the pump on when household demand drops the tank pressure and off when it refills. This keeps the motor from cycling every time a faucet opens. A failing pump shows up as no water at all, sputtering air, or pressure that drops off during a shower.
Submersible pumps are buried in the well, so replacing one means pulling the entire string of pipe and wire out of the casing, which is why labor is a large share of the bill. Most well pumps last 8 to 15 years depending on water quality and how often the motor cycles.
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- Sump Pump : A sump pump is a pump set in a basin (the sump pit) at the low point of a basement or crawl space that automatically removes groundwater before it floods the floor.
- Sewage Ejector Pump : A sewage ejector pump lifts wastewater and solids from a below-grade bathroom or laundry up to the main sewer or septic line when gravity drainage is not possible.
- Float Switch : A float switch is the level sensor that turns a sump or ejector pump on as water rises and off as it drains, using a buoyant float that moves with the water.