![]() ![]() Water flowing back and forth can cause the pump to turn on and off more than necessary and shorten the pump's life. No matter what type you have, each sump pump should have a check valve on the water outlet pipe, so water does not flow back into the sump when the pump shuts off. The submersible sump pumps are quieter than other styles and tend to have a longer life because their sealed, oil-cooled motors are protected from moisture and dust. ![]() The M63 offers a longer switch life, which is the number one reason sump pumps fail. The newer M63 is also a truck stocked option that offers a 5 year manufactures warranty and green LED plug showing that the sump pump has power. Our trucks are fully stocked with Zoeller sump pumps in 1/3 HP & 1/2 HP. They have a float-activated switch or check valve that turns the pump when the pump's water causes the check valve to rise. These electrical pumps are installed in a pit, usually in a basement, and are designed to work underwater. ![]()
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