Watts LF7R10-U3 1 X 3/4 - Part of the LF7R Series American Wick Drain facilitating smooth flow from roof

facilitating smooth flow from roof gutters into drainage piping

This product provides superior corrosion and rot resistance in above and below ground applications

Ideal for flat or low-slope roofs

Looking for a heavy-duty grid-type paver base option

The truncated domes indicate that there is either a potentially hazardous elevation change

Watts LF7R10-U3 1 X 3/4 - Part of the LF7R Series American Wick Drain facilitating smooth flow from roofThis 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