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A sump pump check valve is a one way, flapper/swing type valve. They are installed in the discharge pipe from the sump pump. The flapper opens by the force of the water when the pump starts and closes by the force of gravity on the water pushing down on the flapper when the pump stops.
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Is a check valve required on a sump pump?
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Westinghouse Silent Sump Pump Check Valve, Fits 1-1/2" Pipes, Clear, Spring Loaded Flapper, Eliminates Water Hammer Noise, Includes Steel Clamp - Keep Sump ...
Duration: 5:52
Posted: Feb 16, 2024
Posted: Feb 16, 2024
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(983) · In stock
This quiet check valve is spring loaded and has an angled seat, reducing the loud noise from the flapper closing after the pump turns off, so no more clunk.
The Basement Watchdog Klunkless Check Valve has a large silencing air chamber that absorbs the downward force of the water after the pump stops, ...
Prevents backflow of water into sump basin which prevents pump from cycling on and off too often · Fits all sump pumps with 1-1/4-in or 1-1/2-in discharge pipe ...
$5.20 In stock
Durable thermoplastic body - Flapper design for high flow - Eliminates backflow - Sonic welded parts - For vertical installation.
Sump pump check valves allow for maximum pumping capacity while reducing pump cycling and vibration.
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