Caleffi

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

CLFZSR101 MFG #: ZSR101
Caleffi Z-one™ ZSR101 Single Zone Pump Relay, 24 VAC
  • Voltage Rating: 24 VAC
  • Dimensions: 4-5/8 in L x 2-5/8 in W x 5-3/8 in H
  • Frequency Rating: 50/60
  • Manufacturer: Caleffi
  • Manufacturer #: ZSR101
  • Power Rating: 120, 120 VAC
  • Series: ZSR
  • Type: Single Zone
The ZSR101 single zone switching relay is operated by low voltage thermostats. The ZSR101 single zone switching relay incorporates Power In, Relay 1 and Relay 2 connection terminals to provide a convenient and cost effective way to control a circulator and a boiler operating control in a single zone hydronic heating system. The ZSR101 single zone switching relay saves hours in installation time and provides a clean and professional installation.

Caleffi Z-one™ Zone Pump Relay, Single Zone, Series: ZSR, 24 VAC, 120 VAC, 50/60 Hz, 4-5/8 in L x 2-5/8 in W x 5-3/8 in H
  • Features
  • Product Videos
  • 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