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The SR503-4 from Taco is a 3-Zone Switching Relay with Priority. It combines clearly labeled PC board layout with advanced features that allow for total system customization. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups. Taco SR503 switching relays are UL and CSA listed, use standard “ice cube” replaceable relays and are compatible with conventional and programmable thermostats.
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Technical Specifications:
Warranty:
Product Specs | |
Application: | Zoning |
Depth (Inches): | 2-3/4" |
Height (Inches): | 6.75 |
Power Method: | 120 VAC Input |
Type: | Switching Relay |
Voltage: | 120 VAC |
Zones: | 3 |