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Multi-purpose Sr504-5 4 Zone Switching Relay W/ Priority - Free 2-day Shipping [GEj3iOZl]
The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contracctor friendly PC board layouts. Combined with the time proven reliability of t
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Multi-purpose Sr504-5 4 Zone Switching Relay W/ Priority - Free 2-day Shipping [GEj3iOZl]
The Taco Switching Relay is the best choice for all your zoning needs, with advanced timer and boiler functions, external diagnostic lights, switchable priority and contracctor friendly PC board layouts. Combined with the time proven reliability of the 00® family of circulators and thermostats, total system integration is achieved.
What Our Customers Say
Absolutely no complaints!
Makes my life so much easier. A game-changer.
- Brian K..
Absolutely no complaints!
A well-rounded product with no obvious flaws.
- Zoe G..
Absolutely no complaints!
The construction is solid as a rock.
- SolidState.
