Pay in 4 interest-free payments of $49.38 Learn more
Ships within 48 hours · Estimated delivery Sep 7 - Sep 12
a compact form factor
+175 deg F Cut-In
featuring quick make and break contacts for precise control
MPN: V4055E1040
Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC m-m-manufacturing a compact form factorProduct Description Improve the efficiency of your hydronic heating system with the Caleffi ZSR103, a three zone valve relay. Designed to control both boiler operations and zonal pumps, this device is a must for any residential or commercial space using low voltage thermostats or similar controllers. Controls up to three zones independently. Features LED indicators for easy monitoring and troubleshooting. Compatible with various power inputs: 24VAC
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