The Waterco Flow Check Valve has been designed to be simple to install, inspect and service. With a 304 grade stainless steel spring designed for minimal hydraulic losses and a stronger positive seal, it is ideal for both inlet and return lines.
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Waterco 180° Flow Check Valve
 
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40mm port size
 
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50mm coupling fits over the outside
 
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Eliminate the loss of prime on the suction side of a pump
 
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Prevent the drain down of water towards pumps and filters
 
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Prevent water flow in an unwanted direction