Limit Switch HH19ZA140

Brand: Carrier · Appliance: Air Conditioner · Fits: 14 models · Reference price: $59.13

HH19ZA140 is a Carrier replacement part (limit switch) for air conditioners. Our fitment data lists 14 models that use it.

When to replace this part

General hardware and mounting parts

Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.

Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.

Models that use this part

Other parts for model 51QHA323350

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

• Bolt P041-5304
• Coil Cond 51HK401401
• EXHAUST LEVER 51HK503343
• Escutcheon 51QH500044
• Grille Assembly 51HK401831
• Grommet P041-5105
• Knob 51HK403873
• Nut AT99WA100

Reference price and where to compare

The reference price on file for this part is $59.13. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.

Compare HH19ZA140 listings on Amazon

Before you order

• Match the part number character for character, including dashes and trailing letters; a single different character is usually a different part.
• Confirm your appliance's model number on its data plate and check that it appears in the list above (or use the model lookup tool).
• If a seller offers a substitute number, check that it appears in this page's replacement list or in the manufacturer's documentation.

Model lookup tool