Taco 3-Zone 20A Switching Relay | Ferguson

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This product has been replaced by

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SWITCHING RELAY 3 ZONE EXP
Manufacturer Part #SR503-5

Taco

Taco 20A Switching Relay

This product has been replaced by

No image available

SWITCHING RELAY 3 ZONE EXP
Manufacturer Part #SR503-5

Taco

Fast #
Part #TSR503EXP4
Item #4154364
Manufacturer Part #SR503-EXP-4

Zones: 3

Unavailable

Pick Up: Not available
Shipping: Not available

Product Details

In hydronic heating systems this control allows a low voltage thermostat to control a line voltage circulator
Wiring of multi-zone circulator systems to a single control
External indicator lights
Switchable priority
Simplified wiring
Fully enclosed snap out relays
Compact design
Fuse protected
100% factory tested
Isolated end switch

Documents

INSTALLATION

SPECIFICATION

Specifications

AMP:: 20

Depth:: 2-3/4 in

Height:: 6-3/4 in

Proposition 65:: WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Volts:: 120V

Width:: 10-1/4 in

Zones:: 3

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2025-06-02T06:24+00:00
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