573
Dual Check Backflow Preventer
Description:
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 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
Certifications:
Drawings:
| code | description | weight (lbs) |
| 573403A | ½" NPT female inlet/outlet | 1.7 |
| 573406A | ½" press unions | 1.7 |
| 573409A | ½" sweat unions | 1.7 |
| 573493A | ½" sweat unioninlet x ½" F NPT union outlet | 1.7 |
| 573503A | ¾" NPT female unions | 1.7 |
| 573100A | Replacement body w/washers | 1.5 |
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