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The UNICO A01012-002 is a 2 pole sequencer relay designed for use with WON (before revision B) and all WUN heaters. This replacement part is suitable for HVAC electric heat applications, ensuring proper sequencing of heating elements. It is compatible with M-Series, V-Series, U-Series, and iSeries models, operating on a 208-230/1/60 or 230/1/60 power supply.
This sequencer relay provides essential control for heating systems, ensuring reliable operation and compatibility with specific Unico heater series.
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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