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Oxbox SWT04513 — Second-Stage Air Pressure Switch for 96% Gas Furnaces (60K – 120K BTU)

Oxbox SWT04513 — Second-Stage Air Pressure Switch for 96% Gas Furnaces (60K – 120K BTU)
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Oxbox SWT04513 — Second-Stage Air Pressure Switch for 96% Gas Furnaces (60K – 120K BTU)

Second-stage air pressure switch for Oxbox 96% gas furnaces in the 60K to 120K BTU range. The switch verifies that the higher combustion draft required for second-stage operation is present before the control board allows the unit to step up. Use it as a direct replacement when the second-stage circuit no longer proves draft.

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