Dual Check Backflow Preventer
** Free Freight all orders totaling $400 or more **
- Dual check continuous pressure backflow preventer with atmospheric vent.
- DZR low Lead brass body.
- Max. working pressure: 175 psi. Working temperature range: 32—250°F.
- Emergency backpressure temperature: 250°F
- Certified to: ASSE 1012, CSA B64.3, NSF 372, Low Lead Laws and listed by ICC-ES. Meets codes IPC, IRC & UPC for use in accordance with the U.S. and Canadian plumbing codes.