Caleffi 573503A 3/4" NPT female Inlet/Outlet Dual Check Backflow Preventer
Caleffi 573503A 3/4" NPT Female Inlet/Outlet Dual Check Backflow Preventer
Dual check continuous pressure backflow preventer with atmospheric vent.
DZR low-lead brass body.
Max working pressure: 175 psi
Working temp range: 32˚ - 210˚F
Emergency backpressure temp: 250˚F
Compliance with the following codes: IPC, IRC and UPC for use in accordance with the U.S. and Canadian plumbing codesCompliance with the following standards:
- ASSE 1012-2009
- NSF/ANSI 372 - 2016, Drinking Water System Components - Lead Content
- Reduction of Lead in Drinking Water Act, California Health and Safety Code 116875
- S.3874, Reduction of Lead in Drinking Water Act