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The Resideo RA889A1001 offers robust intermediate switching of line voltage devices from a low voltage controller. This product is designed with contractors and HVAC professionals in mind, ensuring reliable control of heating systems. Exceptionally built for high load switching, it features a push-to-test button and troubleshooting LED to simplify maintenance and setup.
This switching relay is constructed to manage line-voltage devices through a low-voltage control mechanism and is adaptable for various applications including zoning with a simplistic wiring installation method.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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