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Series LF7R Lead Free* Dual Check Valves prevent the reverse flow of polluted water from entering into the drinking water supply at the service entrance or at individual outlets. It consists of a Lead Free* cast copper silicon alloy body construction, with two compact replaceable plastic check modules, and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa) Maximum Working Pressure: 175psi (12 bar).
WATTS® Dual Check Valve, Series: LF7R, 3/4 in Nominal Size, Union, 175 psi, 33 to 180 deg F, Media: Water, 3-5/8 in Inlet to Outlet Length, Copper Silicon alloy Body, EPDM
| Body Material | : | Copper Silicon alloy |
| End Style | : | Union |
| Inlet to Outlet Length | : | 3-5/8 in |
| Media | : | Water |
| Nominal Size | : | 3/4 in |
| Pressure Rating | : | 175 psi |
| Series | : | LF7R |
| Softgoods Material | : | EPDM |
| Temperature Rating | : | 33 to 180 deg F |
| Warranty | : | Limited |
- Can be installed vertically or horizontally
- Available with combination of inlet/outlet sizes, types or thread and end connection
- The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
Data/Spec Sheet-1