Backflow Prevention and Safety Devices

Caleffi

Caleffi 304040A : Vacu-Stop® Vacuum Relief Valve, 1/2" NPT Male, Lead-Free

Caleffi

Caleffi 304050A : Vacu-Stop® Vacuum Relief Valve, 3/4" NPT Male, Lead-Free

Caleffi

Caleffi 304840A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" NPT Male Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304843A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" NPT Female Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304846A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" Press Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304847A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" PEX Crimp Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304848A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" PEX Expansion Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304849A : FlowShield® DuC Dual Check Backflow Preventer, 1/2" Sweat Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304850A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" NPT Male Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304853A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" NPT Female Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304856A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" Press Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304857A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" PEX Crimp Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304858A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" PEX Expansion Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304859A : FlowShield® DuC Dual Check Backflow Preventer, 3/4" Sweat Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304860A : FlowShield® DuC Dual Check Backflow Preventer, 1" NPT Male Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304866A : FlowShield® DuC Dual Check Backflow Preventer, 1" Press Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304867A : FlowShield® DuC Dual Check Backflow Preventer, 1" PEX Crimp Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304868A : FlowShield® DuC Dual Check Backflow Preventer, 1" PEX Expansion Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 304869A : FlowShield® DuC Dual Check Backflow Preventer, 1" Sweat Union, ASSE 1024, Lead-Free

Caleffi

Caleffi 39623 : FlowShield® Discharge Air Gap For 574