Control up to two heating zones with the Taco SR502-4 Switching Relay, designed for quick installation and seamless integration with hydronic heating systems. Its LED diagnostics and compact design make it a reliable choice for residential boiler control and zone valve applications.
Taco SR502-4 2 Zone Switching Relay
Original price was: $184.53.$109.25Current price is: $109.25.
Sale!54 in stock
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