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Caleffi ZSR101
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 Pump Relay, 10 A, 24 V, 120 V 50/60 Hz, 1 Zones, 10 A Contact Rating, LED Display, 90 % Humidity Rating, ABS, 110 deg F, 4-5/8 in L x 2-5/8 in W x 5-3/8 in H
| Amperage Rating | : | 10 A |
| Voltage Rating | : | 24 V |
| Contact Rating | : | 10 A |
| Material | : | ABS |
| Temperature Rating | : | 110 deg F |
| Dimensions | : | 4-5/8 in L x 2-5/8 in W x 5-3/8 in H |
- 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 V 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
Instruction/Installation Manual
Video Link
