Watts LFM116 GRV E 20-200 LS 2 1/2 - Part of the LFM116 Series Z100F-8NH Secure Membrane Flashing Clamp &

Secure Membrane Flashing Clamp & Debris Guard: Helps maintain waterproof integrity by securing the roofing membrane and preventing gravel or debris entry that can clog the system

a loose set nickel bronze 1/2 grate with 47 square inch free area and a polypropylene dome bottom strainer

or use as an outlet to connect to drain pipe with the 12 in

Our Underground Gopher Barrier provides a 3/4" mesh opening that is available in galvanized or stainless steel options

Watts LFM116 GRV E 20-200 LS 2 1/2 - Part of the LFM116 Series Z100F-8NH Secure Membrane Flashing Clamp &This 2 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