Hydronic System Components

Caleffi

Caleffi 304799A : 3047 Check Valve 2" Sweat

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 304849A : FlowShield DuC Dual Check Backflow Preventer, 1/2" Sweat 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 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 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 31403 FD : 25T008 Tailpiece 1-1/4" Sweat, for PresCal

Caleffi

Caleffi 31426 FD : 25T011 Tailpiece 2" FPT for 548009A

Caleffi

Caleffi 31428 FD : 25T012 Tailpiece 2" Sweat, for PresCal

Caleffi

Caleffi 31553 FD : Union End 1" Female NPTF, for Hydraulic Separators

Caleffi

Caleffi 31554 FD : 1" Sweat Tailpiece for Steel 548, 5495, 5461 Separators and 5231 Mixing Valves

Caleffi

Caleffi 31901A : 3/4" MNPT Fitting, for AutoFill

Caleffi

Caleffi 337221A : Manual Air Vent 1/4" NPT Threaded