Caleffi 573503A 3/4" NPT female Inlet/Outlet Dual Check Backflow Preventer 56056 Joins AL to CU

Joins AL to CU

mm:  48 - 114

SureGrip design so you can do your work comfortably

The ultra-slick Black I

Caleffi 573503A 3/4" NPT female Inlet/Outlet Dual Check Backflow Preventer 56056 Joins AL to CUCaleffi 573503A 3 4" 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 210F Emergency backpressure temp: 250F 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