Room Air Conditioner Heater High-Limit Thermostat 45040037
Brand: Carrier · Fits: 7 models · Reference price: $34.49
45040037 is a Carrier replacement part (room air conditioner heater high-limit thermostat). Our fitment data lists 7 models that use it.
When to replace this part
Heat control (thermostats, fuses, heating element)
Symptom: The appliance runs but heats or cools inconsistently, or shuts off partway through a cycle.
Check: With the appliance unplugged, check continuity across the part with a multimeter -- no continuity means it has failed.
Models that use this part
| Model | Brand | Appliance | Parts on file |
|---|---|---|---|
| 52MQAU12301AA | Carrier | — | 33 |
| 52MEAU12301AA | Carrier | — | 31 |
| 52MEAU09301AA | Carrier | — | 28 |
| 52MEAU09401AA | Carrier | — | 27 |
| 52MEAU12401AA | Carrier | — | 27 |
| 52MQAU09401AA | Carrier | — | 26 |
| 52MQAU12401AA | Carrier | — | 26 |
Other parts for model 52MQAU12301AA
If you are repairing that appliance, these are the most model-specific parts on file for the same model.
Reference price and where to compare
The reference price on file for this part is $34.49. It is informational only, not an offer or an Amazon price — RepairKitHub does not sell parts directly.
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