Description
The Rheem 42-21786-81 Defrost Relay is an OEM 24V control relay designed to support accurate defrost operation in compatible Rheem heat pump systems. Featuring 2DPDT and 1SPST contacts, this relay ensures proper switching, reliable system timing, and stable performance during the defrost cycle. Its durable construction and precise electrical control make it an essential replacement part for maintaining efficient heating and cooling operation.
Key Features
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OEM defrost relay for Rheem heat pumps
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24V operation with 2DPDT and 1SPST contacts
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Ensures accurate system switching during defrost cycles
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Supports reliable heat pump performance and efficiency
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Durable design for long-term operation
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Direct-fit replacement for easy installation
