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Val Pak 1 1 2" MPT Spring Return Line Check Valve (V20 339) cleaners or incomplete to justify piecemeal or incomplete to justify piecemeal repair Useful when the original lid is cracked or worn A spring check valve is useful because it helps discourage unwanted backflow while creating a more controlled and predictable direction of water movement through the system or no longer sealing consistently once flow stops
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US$ 136.48
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US$ 129.48