B1370131 Goodman dual pressure switch 2.9 & 1.1
Goodman dual air pressure switch. Two pressure switches on one plate. Plate measures 2.5" x 5.75". Switch marked 'vent' is -2.9 PF (-2.9" WC.) Other is -1.1 PF (-1.1" WC.) Used on model GUS100-4. Also known as part number B13701-31.