HVACopediaOEM part number
74W90 Combustion air pressure switch, 045 at 7,501 to 10,000 ft
Allied part 74W90 (Pressure switch kit, altitude). Listed for 2 models below.
Allied A95/A93/95G1/92G1UH
Combustion air pressure switch, 045 at 7,501 to 10,000 ft · 7,501 to 10,000 ft. Fits 1 of 30 models:
Source: Allied 92G1UH installation manual, p. 48, page 48. Full A95/A93/95G1/92G1UH parts list
Allied A95/A93/95G1/92G1UH
Pressure switch kit, altitude · 7,501 - 10,000 ft. Fits 1 of 30 models:
Source: Allied 92G1UH installation manual, p. 48, page 48. Full A95/A93/95G1/92G1UH parts list
Part numbers are taken from the manufacturer’s published repair parts documents and are listed so you can identify the right part. Manufacturers replace and supersede numbers over time, so confirm the number with your distributor before you order, and use factory-authorized parts on equipment under warranty. Replacing gas, electrical and refrigerant parts is work for a licensed technician. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.