Backwater Valves

Flood-Guard prevents basement flooding. This very easy-to-install basement flood prevention device operates like a check valve to seal off water back-up caused by overloaded sewers. The Flood-Guard can be installed in minutes. A screwdriver is all that...

Flood-Guard prevents basement flooding. This very easy-to-install basement flood prevention device operates like a check valve to seal off water back-up caused by overloaded sewers. The Flood-Guard can be installed in minutes. A screwdriver is all that...

Flood-Guard prevents basement flooding. This very easy-to-install basement flood prevention device operates like a check valve to seal off water back-up caused by overloaded sewers. The Flood-Guard can be installed in minutes. A screwdriver is all that...

Watts 63190 1/2" BBFP FNPT Backflow Preventer Dual Check Valve Series 9D is specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly...

Watts LF7RU2-2 0072203 1/2" X 1/2" Dual Check Valve (Lead Free) This 1/2 by 1/2 IN lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at...

Watts LF7RU2-2 0072204 3/4" X 3/4" Dual Check Valve (Lead Free) This 3/4 by 3/4 IN lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at...

Matco-Norca CIBWV08 2" No Hub Cast Iron Backwater Valve Features Material - Cast Iron Finish – Black Brass Flapper Sizes 2” - 4” Downloads Specification Sheet

Watts 63192 3/4" BBFP IPS Backflow Preventer Dual Check Valve Series 9D is specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly...

Watts LF7RU2-U2 0072221 3/4" X 3/4" Dual Check Valves (Lead Free) This 3/4 by 3/4 inch lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or...

Jones Stephens B01003 3" No Hub Cast Iron Backwater Valve Features Reduces backflow in drainage system All neoprene gaskets 300 series stainless bolts and washers Repairable in service

Jones Stephens B01004 4" No Hub Cast Iron Backwater Valve Features Reduces backflow in drainage system All neoprene gaskets 300 series stainless bolts and washers Repairable in service

This valve is typically installed in homes or buildings with basements, cellars, crawl spaces, or areas that are accessible for servicing. The normally open gate allows the sewer system to ‘vent’ any gases that may be caused by positive or...