Taco SR501-4 Single-Zone Switching Relay, 120 VAC Reviews

4.9 Rating 175 Reviews

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“Indicates power and zone status without needing a meter. Suggests more zone capability.”

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Posted 3 years ago

“Zoning with multiple circulators instead of zone valves.”

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Posted 3 years ago

“Works great as it should.”

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Posted 3 years ago

“Installed seamlessly.”

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Posted 4 years ago

“Previous relay lasted 8 years. New one was easy to install, but relays should be replaceable.”

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Posted 4 years ago

“Great product shipped right out.”

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Posted 4 years ago

“Used relay to turn circulator pump in in-floor heating system.”

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Posted 4 years ago

“This is a great single pump switching relay. Very simple two wire. I always have one of these on the truck in case I need to power a circulator pump. Just run the T stat wire to it and it can also send a signal/TT to the boiler.”

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Posted 4 years ago