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Caleffi ZSR103 CALEZSR103
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Caleffi ZSR103 CALEZSR103

Caleffi Z-one™ ZSR103 3-Zone Pump Switching Relay, 120 VAC, 5 A, 120 VAC Coil

  • Manufacturer: Caleffi
  • Brand Name: Caleffi
  • Part#: CALEZSR103
  • MPN: ZSR103
  • Min. Order Qty: 1
  • Qty. Interval: 1
  • Availability: loading
  • Branch Availability

The ZSR series is a zone pump and boiler operating control for multiple zone hydronic heating systems. The ZSR series interfaces with low voltage thermostats, or any other low voltage controllers having a switching action. The ZSR series controls up to 6 zone pumps (depending on model selected) and a primary pump. It has LED indicators to provide functional status and easy system troubleshooting.

Caleffi Z-one™ 3-Zone Pump Switching Relay, ZSR Series, 120 VAC, 5 A, 12 VA, 50/60 Hz, 120 VAC Coil, Large Screw, Ground Terminal, LED Display, 110 deg F, 11 in Overall Length, 3 in Overall Width, 9-1/4 in Overall Height

Additional Information      :      50/60 Hz Frequency Rating
Amperage Rating      :      5 A
Coil Voltage      :      120 VAC
Contact Rating      :      2A at 120 VAC
Dimensions      :      9-1/4 in L x 11 in W x 3 in H
Display Type      :      LED
Frequency Rating      :      50/60 Hz
Humidity Rating      :      90 %
Material      :      ABS
Number of Zones      :      3
Overall Height      :      9-1/4 in
Overall Length      :      11 in
Overall Width      :      3 in
Power Rating      :      12 VA
Power Supply      :      120 V 50/60 Hz
Series      :      ZSR Series
Temperature Rating      :      110 deg F
Terminal Type      :      Large Screw, Ground
Voltage Rating      :      120 VAC
    Primary pump system circulator is switched on whenever any zone calls for heat