Mainline fullport backwater valve

The Mainline #49Full-Port Backwater Valve is the 'flagship' of the company. Established in 199 this valve has revolutionized sewer protection across North . Fullport Valve, Automatic Back-Water Valve, Backwater Valve.

Adapt-a-Valve Valve, Inspection Chamber, Termex Valve. Fullport Backwater Valve The Mainline #49Full-Port Backwater Valve is the 'flagship' of the company. Established in 199 this valve has revolutionized . Clear transparent lid provides easy visual inspection.

The Mainline Fullport Backwater Valve is a normally open backwater valve. It allows non-restrictive sewage flow from the inlet to the outlet side of the valve, . After a 10year rain dumped nearly of rain on our community and flooded many basements with. This OSB Mainline Fullport Backwater Valve protects your building against backup from the municipal sewer. The Mainline Fullport Backwater Valve Model #49was developed to fill a need for better, and easier, backflow protection for both the installer and building . By installing the award winning Mainline Fullport Backwater Valve (sometimes referred as a Backflow Preventer) in the main line to the sewer, property .