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Caleffi Z-one ZSR101 Single Zone Pump Relay, 24 VAC

Part #135120

MFG #ZSR101

135120_Caleffi_ZSR101.jpg

Caleffi Z-one ZSR101 Single Zone Pump Relay, 24 VAC

Part #135120

MFG #ZSR101

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Caleffi Z-one ZSR101 Single Zone Pump Relay, 24 VAC

Part #135120

MFG #ZSR101

Item Features
  • Installer friendly - Ample room for terminations, large screw terminals, automatic resettable fuse, snap-in transformers.
  • Application versatility - 3 selectable 120 VAC auxiliary switches for enabling pumps and boilers, dedicated pump outputs, unlimited zone expansion.
  • Extremely reliable design - Clutch-protected drive train, durable synchronous motor, millions installed in North America.
  • Compact design with snap-on actuator with a convenient in-line push button, removable bottom cap allows for easy in-pipe service.
  • Application versatility - Hot water, chilled water and low-pressure steam.
  • Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action.
  • Heavy duty, sealed, DPDT, fuse protected relay (with spare fuse).
  • Two outputs (relay 1 and relay 2) for operating 120 VAC pump with boiler enable, or two devices without boiler enable.
  • Convenient R, W, C and T, T, COM dual labeling at thermostat terminals.
  • Rear knock-outs for mounting onto 4 x 4 in junction box.
  • High capacity 6 VA transformer.
  • Automatic resettable fuse on 24 V circuit.
  • Simplified wiring with pre-installed jumper.
  • Large screw terminals, on-board ground terminals.
  • Front panel LED indicator light for functional status.