SENTINEL 3"/4" Floor Drain Valve - with 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.

• Backwater prevention valve that is inexpensive and easy to install in just one step
• Installed in your basement floor drain, it guards against sewage backflow entering your house
• Has several auxiliary features to prevent failure in the case of backflow
• Able to withstand 65 lb of pressure
• Housing made of ABS plastic with gasket and o-rings of silicone
• Fits both 3" (75 mm) and 4" (100 mm) floor drains with included adapter
• Comes complete with drain cover
• Normally open valve position allows for standard
• Quick and easy install for DIY consumers
• Lifetime longevity of apparatus
• No maintenance required
• CSA certified
• Approved by Mike Holmes and the Holmes Group with their Make it Right® initiative

Our Return Policy

If you are not completely satisfied with your purchase, in most cases, you can return it for a refund within 90 days.

Lumber, Building Materials, Furniture and Major Appliances return policies are subject to your local store.

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