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573503A

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
88.94 88.94

  • Material
  • Max working pressure:
  • Max working pressure
  • Connecton:
  • Working temp range
  • Compliance
  • Working temp range:
  • Emergency backpressure temp:
  • Emergency backpressure temp
Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days
Material: Low Lead Brass
Max working pressure:: 175 psi
Max working pressure: 175 psi
Connecton:: 3/4 in. NPT
Working temp range: 32˚ - 210˚F
Compliance: ASSE 1012-2009
Working temp range:: 32° - 210°F
Emergency backpressure temp:: 250°F
Emergency backpressure temp: 250˚F

Caleffi Caleffi Backflow Preventer 3/4 in. NPT