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The Champion S1-37339476002 is an electronic expansion valve kit designed for the HC20B3621SA variable capacity heat pump. This kit includes a liquid line for efficient operation in cooling and heating applications.
This electronic expansion valve kit helps regulate refrigerant flow, enhancing system efficiency and reliability in heating and cooling applications.
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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