3-Zone 20A Switching Relay
This product has been replaced by
SWITCHING RELAY 3 ZONE EXP
Manufacturer Part #SR503-5
Manufacturer Part #SR503-5
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Taco
3-Zone 20A Switching Relay
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Purchase history
Taco
3-Zone 20A Switching Relay
SR503-EXP-4
Order #
Order Date
Job Name
My PO#
Product Details
- Wiring of multi-zone circulator systems to a single control
- External indicator lights
- In hydronic heating systems this control allows a low voltage thermostat to control a line voltage circulator
- Fuse protected
- Fully enclosed snap out relays
- Compact design
- Simplified wiring
- Switchable priority
- Isolated end switch
- 100% factory tested
Specifications
- AMP:
- 20
- Depth:
- 2-3/4 in
- Height:
- 6-3/4 in
- Volts:
- 120V
- Width:
- 10-1/4 in
- Zones:
- 3