Boiler Zone Controls

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Caleffi Differential Pressure By-pass Valve, 1" NPT Inlet with 1" Sweat Outlet
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" NPT Outlet
Caleffi Differential Pressure By-pass Valve, 1-1/4" NPT Inlet with 1-1/4" Sweat Outlet
Caleffi Z-One 120V Normally Closed Valve Actuator with AUX Switch, 6" Wire
Caleffi Z-One 120V Normally Closed Valve Actuator without AUX Switch, 6" Wire
Caleffi Z-One 120V Normally Open Valve Actuator with Auxiliary Switch, 6" Wire
Caleffi Z-One 120V Normally Open Valve Actuator without Auxiliary Switch, 6" Wire
Caleffi Z-One 24V Normally Closed Valve Actuator with AUX Switch, 18" Wire
Caleffi Z-One 24V Normally Closed Valve Actuator with AUX Switch and Terminal Block Screws
Caleffi Z-One 24V Normally Open Valve Actuator with Auxiliary Switch, 18" Wire
Caleffi Z-One 24V Normally Open Valve Actuator without Auxiliary Switch, 18" Wire
Caleffi Z-One 2-Way Straight Inverted Flare Valve Body, 30 PSI, 3.5 Cv
Caleffi Z-One 2-Way Straight NPT Valve Body, 1/2" Connections, 30 PSI, 3.5 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1/2" Connections, 75 PSI, 1 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
Caleffi Z-One 2-Way Straight NPT Valve Body, 3/4" Connections, 30 PSI, 3.5 Cv
Caleffi Z-One 2-Way Straight NPT Valve Body, 3/4" Connections, 25 PSI, 5 Cv
Caleffi Z-One 2-Way Straight NPT Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1" Connections, 25 PSI, 5 Cv
Caleffi Z-One 2-Way Straight Sweat Low-Lead Brass Valve Body, 3/4" Connections, 20 PSI, 7.5 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1" Connections, 20 PSI, 7.5 Cv
Caleffi Z-One 2-Way Straight Sweat Valve Body, 1-1/4" Connections, 20 PSI, 7.5 Cv
Caleffi Z-One 3-Way Diverting NPT Valve Body, 1/2" Connections, 50 PSI, 2.5 Cv
Displaying Products 457 - 480 (of 545)
Maximize your boilers efficiency with proper zone controls. A properly zoned building will provide radiant comfort while keeping energy bills down. Check out our wide selection or contact our experts for all your zoning needs.