Caleffi ZSR101 - Z-one™ Relay (single zone)

SKU: N-425
C$ 160
12 In Stock

Caleffi ZSR101 - Z-one™ Relay (single zone)


Caleffi Zone Relay ZSR101

The ZSR101 is a versatile single relay control with two outputs for operating a 120 VAC pump with boiler enable, or two 120 VAC devices without boiler enable. Features include rear knock outs for 4x4 junction box mounting, convenient pre-installed jumper for pump operation, and 10 amp total load rating.

Caleffi ZSR 101 internals


Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action
120 VAC input
Heavy duty, sealed, DPDT, fuse protected relay (with spare fuse)
Two dry contact outputs (Relay 1 and Relay 2) for operating 120 VAC pump with boiler enable or two devices without boiler enable
5 A capacity each relay - 10 A total
Rear knock-outs for mounting onto 4”x4” junction box
High capacity 6VA transformer
Simplified wiring with pre-installed jumper
100% factory tested with 3 year warranty
ETL certified See technical

Incorporates the following connection terminals:

Power In
Relay 1
Relay 2

Multiple Thermostat Configuration

Caleffi ZSR 101 multiple thermostat diagram


Power Supply: 120 VAC, 50/60 Hz
Transformer voltage: 24 VAC
Max transformer load: 12 VA
Switch rating: 10 A max combined
Replaceable fuses: Type 2AG, 5 A

Czr 4

Dimension (L x W x H) 6 x 5 x 3 Inch
Weight 1 Pound

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