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The Honeywell RA89A1074 Switching Relay is designed for intermediate switching of a line voltage device from a low voltage controller. It includes an internal transformer that provides low voltage power for the control circuit.
The Honeywell RA89A1074 Switching Relay offers reliable, low voltage control with an integrated transformer. Suitable for hydronic heating systems and other applications requiring SPST switching.
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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