Three-zone switching relay for hydronic circulator systems with priority control and three power ports. Designed for zone valve applications in residential and light commercial heating systems. Enables sequential zone control with priority override capability.
Taco SR503-5 3-Zone Switching Relay with Priority
Taco
$232.95
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Taco
Taco SR503-5 3-Zone Switching Relay with Priority
- SKU:
- SR503-5
- Product Type:
- Zone Switching Relay
- Subcategory:
- Hydronic Zone Control
- Application:
- Residential/Commercial
- System Type:
- Boiler, Hydronic Heating, Radiant Floor
- Installation Type:
- OEM Replacement
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