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Multi-positional design for versatile installation options
This valve is ideal for controlling natural
Item Number: 99253
MPN: V4055E1040
Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC m-m-manufacturing Multi-positional design for versatile installationProduct 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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