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This HVAC safety switch opens the circuit to prevent the furnace from operating in an unsafe thermal state
breaking both sides of the line
including popular series like AMWK and EHK
or a failing inducer motor before replacing the high limit switch
Emerson Alco 043325 Filter Drier This HVAC safety switch opensThe Emerson Alco 043325, also identified as the Model BFK 084, is a high performance bi directional liquid line filter drier designed specifically for heat pump applications. Featuring an 8 cubic inch desiccant volume, this unit utilizes a 1 2" flare connection to ensure a mechanical, leak resistant seal during field installation. Rated for a 680 PSI maximum working pressure, it is fully compatible with modern high pressure refrigerants including R