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Description

Description

Product Description

Caleffi – 573403A Dual check backflow preventer with atmospheric vent Certified to ASSE 1012, CSA B64.3, NSF/ANSI 372, Low Lead Laws and listed by ICC-ES. Meets codes IPC, IRC UPC for use in accordance with the U.S. and Canadian plumbing codes. Dual check continuous pressure backflow preventer with atmospheric vent.

Additional Information

Emergency Backpressure Temperature 250°F

Connection 1/2″ Fnpt, Union

Maximum Working Pressure 175 Psi

Medium Temperature Range 32–250 °F

Material Dzr Low Lead Brass