RectorSeal has improved its extendable backwater valve by adding a heavy duty 75 psi rated flapper at 100 ft of head. This flapper exceeds ASME test standards, Clean Check valves prevent sewage backups resulting from plugged or flooded municipal sewer system lines. They are designed to be installed outside a home, business or other structure and are readily accessible for maintenance or cleaning. RectorSeal products are distributed in Canada by E. S. Gallagher Sales Ltd.
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