Furnace Air Pressure Switch B13701-50

Brand: Goodman · Fits: 17 models · Reference price: $113.82

B13701-50 is a Goodman replacement part (furnace air pressure switch). Our fitment data lists 17 models that use it.

When to replace this part

Controls, timers and wiring

Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.

Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.

Models that use this part

All 17 confirmed models for this part.
ModelBrandApplianceParts on file
AT104F1L1GEAir Conditioner21
GMT045-3BGoodman135
GMNT040-3BGoodman75
GMNT100-4BGoodman73
GMNT120-5BGoodman73
GMPN100-5Goodman72
GMT090-3BGoodman70
GMT090-4BGoodman70
GDT045-3BGoodman64
GDT070-3BGoodman64
GMNT080-4BGoodman64
GDT090-4BGoodman63
GMPN100-4Goodman56
GMPN080-4Goodman49
GMN100-4Goodman34
GMN120-5GMC30
GMN080-4Goodman27

Other parts for model AT104F1L1

If you are repairing that appliance, these are the most model-specific parts on file for the same model.

Reference price and where to compare

The reference price on file for this part is $113.82. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

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Before you order

Model lookup tool