Skip to content
Edmondson Supply will be closed May 24th 2024. Final guaranteed shipping time is 12pm EST Thursday, May 23rd. Regular shipping will resume Tuesday, May 28th.
Edmondson Supply Will Be Closed May 24th 2024. Final guaranteed shipping time is 12pm EST Thursday, May 23rd. Regular shipping will resume Tuesday, May 28th.

Caleffi 573403A ½" NPT Female Inlet/Outlet Dual Check Backflow Preventer

Save 30%
Original price $97.50
Current price $68.25
SKU 573403A
Currently 6 in stock.

Caleffi 573403A ½" 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 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

 

    Technical Brochure

    Instruction Sheet