Caleffi ZSR103 Zone Valve Relay 3-Zone 120 VAC m-m-manufacturing a compact form factor

a compact form factor

enhancing flexibility in use

Item Number: 99253

ensuring minimal downtime and maximum efficiency

This valve is ideal for controlling natural

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