Caleffi ZSR101 1 Zone Expandable Switching Relay with Priority

Product Description

The Caleffi ZSR101 is a compact and robust zone pump relay designed for single zone control within hydronic heating and cooling systems. This highly efficient device is ideal for managing the operation of zone pumps, ensuring optimal performance and energy efficiency.

• Designed for easy installation with large screw terminals and LED indicators for system troubleshooting.
• Features compatibility with 2, 3, and 4-wire thermostats or other low voltage controllers with switching action.
• Incorporates a heavy-duty, sealed, fuse protected relay with spare fuse, supporting 120 VAC input and up to 6 zone pump outputs.

Product Highlights

Efficiently control your single zone hydronic heating system with the Caleffi ZSR101, which offers expandability, automatic resettable fuses, and LED status indicators for straightforward maintenance and operation.

Standard Information

• Manufacturer: Caleffi
• SKU: ZSR101
• UPC: 384929979310

Technical Specifications

• Power Rating: 120 VAC
• Voltage: 24 VAC
• Amperage: 20
• Dimensions: 4-5/8 in L x 2-5/8 in W x 5-3/8 in H