PPP1200022 MAINLINE ML-4XP Backwater Valve, 4 in Nominal, (...)

MAINLINE Backwater Valve, 4 in Nominal, Hub Connection, 50 psi, PVC Body, White, 9-1/2 in L

The Adapt-A-Valve™ extendable backwater valve was invented because there was a need to have easy access to enable servicing of backwater valves deeper than 2 ft. The only other options were expensive and unsightly vaults or access culverts in which someone had to crawl down to service the backwater valve. Another option, which was strictly against code but done by unscrupulous persons, was to completely bury a valve with no intention of ever servicing the backwater valve.

Manufacturer: Mainline

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