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Taco SR503-5 3-Zone Switching Relay with Priority

Taco

$218.95

In Stock

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SKU:
SR503-5
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Ships same or next business day · UPS Ground or comparable carrier, typically 1–5 business days.

Specifications

Product Type:
Zone Switching Relay
Subcategory:
Hydronic Zone Control
Application:
Residential/Commercial
System Type:
Boiler, Hydronic Heating, Radiant Floor
Installation Type:
OEM Replacement
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.