Three-zone hydronic switching relay with priority zone control for circulator pump systems. Handles up to 15 amps combined load at 120 VAC and includes built-in priority protection, isolated end switch, and diagnostic LED indicators. UL and CSA listed; compatible with conventional and programmable thermostats.
Taco SR503 Three Zone Switching Relay with Priority 120V
Taco
$218.95
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Taco
Taco SR503 Three Zone Switching Relay with Priority 120V
- SKU:
- SR503
- Product Type:
- Switching Relay
- Subcategory:
- Zone Control
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Radiant Floor
- Installation Type:
- OEM Replacement
- Voltage:
- 120V AC
- Voltage Class:
- Line Voltage
- Phase:
- Single Phase
- Amperage:
- 15A
- Control Type:
- Non-Programmable
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