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573503A

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
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$ 88.94 $ 88.94

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  • Connections
  • Material
  • Max working pressure
  • Max Working Pressure
  • Working temp range
  • Compliance
  • Emergency backpressure temp
  • Emergency backpressure temp
  • Max Operating Temperature
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Connections: 3/4 in. NPT
Material: Low Lead Brass
Max working pressure: 175 psi
Max Working Pressure: 175 psi
Working temp range: 32˚ - 210˚F
Compliance: ASSE 1012-2009
Emergency backpressure temp: 250°F
Emergency backpressure temp: 250˚F
Max Operating Temperature: 32° - 210°F

Caleffi Caleffi Backflow Preventer 3/4 in. NPT