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Taco Circulator Relay - SR503-4
- 3 zones single throw with end switch for boiler - 110 Volts - for Circulating Pumps
Product ID • TACO50130001
Overview
Taco Circulator Relay for 3 zones with single throw with end switch for boiler - for 110 Volt Circulating Pumps - Taco SR503-4.
Taco Switching Relay SR503-4 combines clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. Priority capability for domestic hot water. External indicator lights give you instant diagnostic feedback, making service calls or new installation start-ups a snap. The Taco SR503-4 switching relay is UL listed, use standard replaceable relays and are compatible with conventional and programmable thermostats.
For larger jobs, switching relays can be expanded up to 20 zones with priority.
Manuals & Docs
Technical Specs
Taco Switching Relay Taco SR503-4 Techs and Specs
- Zones
- 3 Zones with Priority (Priority capability for domestic hot water)
- Allows Circulator and Boiler to be switched on at the same time
- Yes
- Double Pole
- Single Throw (DPST)
- Connects directly to thermostat
- Yes
- Switches
- 110 volts or 24 volts
- LED Status Lights
- Yes
- Maximum Combined Load
- 15 amps
- UL and CSA approved
- Yes
- Warranty
- Extended 3 year
- Manafacrtured Orgin
- USA
- Transformer Voltage
- 120 volts
- Size
- 10 1/4 Inches Width by 6 3/4 Inches Height by 2 3/4 Inches Depth
Info & Links
