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UltraPure 1 2 lb Compression Check Valve (1008012) grasslin and dual voltage flexibility give this and dual voltage flexibility give this unit practical value because ozone systems work best when the replacement matches both the electrical setup and the intended equipment family this O ring helps restore dependable sealing support and contributes to stronger UV system service overall Check valves are useful because they help maintain one way flow and reduce the risk of unwanted reverse movement through the line A compression style check valve with a lighter closing force can be especially helpful where the application calls for that specific operating characteristic
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