Watts LF7 3/8 - Part of the LF7 Series roof-hatch-finder Accepts multiple flange sizes 3/4

Accepts multiple flange sizes 3/4

paver decks

6 IN SS Strainer

Heavy-duty cast iron body with corrosion-resistant coating

Heel-proof PVC grate secured with vandal-proof stainless-steel screws for reliability in traffic zones

Watts LF7 3/8 - Part of the LF7 Series roof-hatch-finder Accepts multiple flange sizes 3/4This 3 8 inch 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. It is designed for in line continuous pressure applications, such as wash down sinks or other installations, where a hose type device connected to the domestic water supply can be submerged into a non potable liquid. It consists of a lead free cast copper