Design, Installation and Control
Caleffi ZSR Single Zone Switching Relay Box- Space Heating & DHW
Caleffi ZSR103, ZSR104 and ZSR106 are multi-zone pump and boiler operation control switching relay box.
Read more: Caleffi Multi-Zone Relay (ZSR103, ZSR104, ZSR106)
Caleffi ZSR Single Zone Switching Relay Box- Space Heating
The ZSR 101 zone relay talks to low voltage thermostats (24V, dry contact).
Power Supply: 120VAC, 50/60HZ
Transformer Voltage: 24VAC
Maximum Transformer Load: 12VA
Switch Rating: 10A MAX Combined
Replaceable Fuses: Type 2AG, 5A
Brief Technical Specification Wiring Guide and Application Examples
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