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Taco SR504-EXP-1 Four Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
TACO SR504-EXP-4 4 ZONE SWITCHING RELAY WITH PRIORITY AND 3 POWER PORTS
Hydronic Switching Relays
}
Brand: 
Taco SR504-EXP-1 Four Zone Expandable Switching Relay, 120 VAC, 20 A, DPDT, Domestic
918446
MFG #: SR504-EXP-1
Product ID:918446
Famous Supply
- Power Rating: 1/3 hp
- Type: Four Zone Expandable
- Voltage Rating: 120
- Amperage Rating: 20
- Contact Form: DPDT
- Domestic/Import: Domestic
The Taco Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts. Combined with the time proven reliability of the 00® family of circulators and thermostats, total system integration is achieved.
- Features
- Warranty
- Standards & Approvals
| External indicator lights |
| Plug-in powerport cards |
| Switchable priority |
| Simplified wiring |
| Fully enclosed snap-out relays |
| Compact design |
| Fuse protected |
| 100% factory tested |
| Isolated end switch |
| Expandable to 20 zones |
| Contractor friendly PC board layout |
| Universal thermostat compatibility |
| 24 V power input or output terminal |
| 3 Years Extended |
| CSA Certified |
| UL Listed |