| Part Number | SR501-HC-4 |
| Manufacturer | Taco |
| Title | Switching Relay |
| Description | R W1 W2 C N H X1 X1 X2 X2 Hot side of transformer. Connect to R on thermostat. Switched R signal from thermostat #1. Connect to W on thermostat. ... |
| Features |
External Indicator Lights Simplified Wiring Sealed Relays 100% Factory Tested Contractor Friendly PC Board Layout Universal Thermostat Compatibility UL Approved Extended 3 Year Warranty 120 VAC Application: 1 zone switching relay with boiler enable ...
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| Datasheet |
 SR501-HC-4 Datasheet
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