Watts LF7R10-U3 1 X 3/4 - Part of the LF7R Series Tactile Paving epoxy-coated ductile-iron grate

epoxy-coated ductile-iron grate

Combination Membrane Flashing Clamp with Support FlangeThe integrated flange helps secure the drain to the deck and provides reliable sealing with waterproofing membranes

NDS Class C load rating when properly installed

while the integral backwater valve helps protect against unwanted wastewater backup

and other high-traffic or high-flow sites

Watts LF7R10-U3 1 X 3/4 - Part of the LF7R Series Tactile Paving epoxy-coated ductile-iron grateThis 1 IN female meter thread swivel by 3 4 IN union male NPT, lead free dual check valve backflow preventer helps prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. The valve consists of a lead free brass body construction, with two plastic replaceable check valves, and stainless steel springs. It is designed for non health hazard residential water system