Four-zone switching relay with priority control for hydronic heating systems. Controls up to four independent circulator zones with switchable priority protection, allowing one zone to override others for up to one hour. 120 VAC input, 20 amps maximum combined load.
Taco SR504 Four Zone Switching Relay 120V Priority
Taco
$274.95
In Stock
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Taco
Taco SR504 Four Zone Switching Relay 120V Priority
- SKU:
- SR504
Specifications
- Product Type:
- Switching Relay
- Subcategory:
- Zone Control
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Radiant Floor
- Installation Type:
- OEM Replacement
- Voltage:
- 120 VAC
- Voltage Class:
- Line Voltage
- Phase:
- Single Phase
- Amperage:
- 20A
- Control Type:
- Non-Programmable
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