Differential Bypass Valves

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Learn More About Caleffi 519502A
Caleffi Differential Pressure By-pass Valve, 3/4" NPT Inlet with 3/4" NPT Outlet
$98.53
In-Stock
Learn More About Caleffi 519600A
Caleffi Differential Pressure By-pass Valve, 1" NPT Inlet with 1" NPT Outlet
$154.41
Factory-Direct
Learn More About Caleffi 519599A
Caleffi Differential Pressure By-pass Valve, 3/4" Sweat Inlet with 3/4" Sweat Outlet
$97.79
Factory-Direct
Learn More About Caleffi 519609A
Caleffi Differential Pressure By-pass Valve, 1" NPT Inlet with 1" Sweat Outlet
$154.41
Factory-Direct
Learn More About Caleffi 519700A
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" NPT Outlet
$185.29
Factory-Direct
Learn More About Caleffi 519709A
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" Sweat Outlet
$185.29
Factory-Direct