Description:

This is a ClimaTek Furnace Air Pressure Switch. ClimaTek Replacement Part, Built to Last!. Designed to Replace Part #s 12W52, 12W5201, 92L21, 92L21, 57M69, 57M6901, 20293412, R20293412 & More!. Designed for Lennox, Armstrong, Ducane, and Allied Furnaces!. Made in the USA!.