573503A
Caleffi Caleffi Backflow Preventer 3/4 in. NPT
Dual Check Continuous Pressure Backflow Preventer
Dual check continuous pressure backflow preventer with atmospheric vent.
DZR low-lead brass body.
Compliance with the following codes:
- IPC, IRC and UPC for use in accordance with the U.S. and Canadian plumbing codes
Compliance 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
Details
| Material | Low Lead Brass |
| Max working pressure | 175 psi |
| Working temp range | 32˚ - 210˚F |
| Emergency backpressure temp | 250˚F |
| Compliance | ASSE 1012-2009 |
| Max working pressure: | 175 psi |
| Working temp range: | 32° - 210°F |
| Emergency backpressure temp: | 250°F |
| Connecton: | 3/4 in. NPT |