Watts LFM116 GRV E 20-200 PI 1 1/2 - Part of the LFM116 Series Basement Window Well The Sewer Line Root Barrier

The Sewer Line Root Barrier is a root control product that is both permeable and flexible

Rated for heavy commercial loads and available in multiple pipe sizes and outlet configurations

3 IN Push on outlet

Cast-iron upper and lower bodies for strength and longevity

Watts LFM116 GRV E 20-200 PI 1 1/2 - Part of the LFM116 Series Basement Window Well The Sewer Line Root BarrierThis 1 1 2 inch ACV is armed with ArmorTek, a patented 3 part advanced epoxy coating system designed to limit both microbial induced (MIC) and exposed metal substrate corrosion. This pressure relief control valve is designed to permit flow when upstream pressure is above the adjustable setpoint of the control pilot, and throttle toward closed when upstream pressure falls below the adjustable setpoint. When the valve is installed off the main line on