Home / Appliance / Parts / Furnace Limit Switch HH18HA490 Furnace Limit Switch HH18HA490$12.16 Price may not be up-to-date. In Stock View Product Part Number: HH18HA490 Brand: Carrier Seller: Repair Clinic Categories: Appliance, Parts Description Part HH18HA490, Limit Switch, is a genuine OEM part manufactured by Carrier. It is used in Carrier Furnaces. Find appliance parts, lawn & garden equipment parts, HVAC parts and more from the top brands in the industry. Related products Washer Door Lock WPW10192995 Washer Electronic Control Board WH12X21454 Adjuster Foot 301161060002 Washer Wire Harness EAD54167604