Always ensure the power is off to your unit before you begin any work or diagnostics.
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Pressure switches are used to stop the furnace from operating in an unsafe condition. On newer furnaces, on a call for heat, The control board checks the pressure switch. If is in the closed position, the furnace stops the sequence and goes into lockout mode until the switch is open. If you get a pressure switch code, and the Inducer will not come on, the is and indication that the pressure switch must be replaced. |
Pressure Switches
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-0.10 Pressure Switch
20197308
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-0.35 Pressure Switch
B1370133
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-0.37 Pressure Switch
20197312
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-0.40 Pressure Switch
B1370126
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-0.47 Pressure Switch
B1370176
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-0.60 Pressure Switch
B1370142
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-0.70 Pressure Switch
B1370158
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-0.75 Pressure Switch
B1370133
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-0.85 Pressure Switch
B1370150
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-0.95 Pressure Switch
0130F00002P
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-1.10 Pressure Switch
B1370159
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-1.20 Pressure Switch
0130F00001P
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-1.40 Pressure Switch
B1370156
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