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The Rheem 42-102165-04 is a furnace 2-stage air pressure switch designed for specific Rheem furnace models. As an OEM part, this switch ensures accurate air pressure detection within the furnace system.
This air pressure switch is essential for maintaining safe and efficient furnace operation.
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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