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Sentinel Drain Guard Sewer Backflow Preventer 3" and 4" Backwater Valve
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Sentinel Drain Guard Sewer Backflow Preventer Features
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HOLMES APPROVED - Sentinel is the only consumer Backwater Valve on the market that is a HOLMES APPROVED PRODUCT
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Fits 3" (75mm) Floor Drain and 4" (100 mm) Floor Drain with Included Adapter
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Sits in an Open Position so Normal Drainage can occur. Device will close in the event of a backflow occurrence
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Unlike most Backflow Preventers, Sentinel comes complete with a fitted drain cover
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Easy Installation in a manner of minutes. Requires zero maintenance. CSA certified. Housing made of abs plastic with gaskets and o-rings of silicone.
About Sentinel Drain Guard Sewer Backflow Preventer
The Sentinel Drain Guard is a sewage backflow protection valve. Highly affordable and easy to install on any floor drain in just one step, the Device is a must-have for every urban homeowner with a basement.
