Taco Switching Relay, SR503

Taco Switching Relay, SR503

Code: BLR-SR503



Product Description

Manufacturer: Taco

Switching Relay

• Package includes 2-way combination control, circulator, motorized vent damper, integral draft diverter
• Taco switching relays combine clearly labeled PC board layouts 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. All switching relays are UL and CSA listed, use standard ice cube replaceable relays and are compatible with conventional and programmable thermostats.
•External Indicator Lights
•Switchable Priority
•Simplified Wiring
•Fully Enclosed Snap-Out Relays
•Fuse Protected
•Isolated End Switch
•Contractor Friendly PC Board Layout
•Universal Thermostat Compatibility
•24 Volt Power Input or Output Terminal
•Extended 3 Year Warranty
Additional -EXP Features:
•Plug-in PowerPort Card Slots
•Add-on Power Control Plug
•Expandable to 20 Zones
•Interface with -EXP Zone Valve Controls


Number of Zones: 3 with Priosity
Contact Rating (amp): 15
Voltage: 120 VAC

Replaces Part Number: SR503