Carrier
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Carrier HH18HA201 L160F LIMIT SWITCH
Carrier
MSRP: $33.54Now: $25.41Carrier HH18HA201 L160F LIMIT SWITCH FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...MSRP: $33.54Now: $25.41 -
Carrier HH18HA202 350F M/R SPST Rollout Switch
Carrier
MSRP: $85.87Now: $66.35350F M/R SPST Rollout Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $85.87Now: $66.35 -
Carrier HH18HA217 L240-50F LIMIT SWITCH
Carrier
MSRP: $20.56Now: $15.89Carrier HH18HA217 L240-50F LIMIT SWITCH FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...MSRP: $20.56Now: $15.89 -
Carrier HH18HA226 320F-50F SPST Auto Rollout Switch
Carrier
MSRP: $57.55Now: $44.47320F-50F SPST Auto Rollout Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements ...MSRP: $57.55Now: $44.47 -
Carrier HH18HA235 TEMPERATURE SWITCH
Carrier
MSRP: $15.94Now: $12.32Carrier HH18HA235 TEMPERATURE SWITCH FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...MSRP: $15.94Now: $12.32 -
Carrier HH18HA245 L65F-33 DEFROST TEMP SWITCH
Carrier
MSRP: $33.99Now: $26.26Carrier HH18HA245 L65F-33 DEFROST TEMP SWITCH FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum...MSRP: $33.99Now: $26.26 -
Carrier HH18HA276 225-275F Auto Limit Switch
Carrier
MSRP: $41.83Now: $31.69225-275F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $41.83Now: $31.69 -
Carrier HH18HA279 L65F-33 Defrost Sensor
Carrier
MSRP: $37.97Now: $29.34Carrier HH18HA279 L65F-33 Defrost Sensor FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...MSRP: $37.97Now: $29.34 -
Carrier HH18HA281 Defrost Temperature Switch
Carrier
MSRP: $55.14Now: $42.61Defrost Temperature Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $55.14Now: $42.61 -
Carrier HH18HA283 Discharge Gas Thermostat, DGT
Carrier
MSRP: $86.71Now: $67.00Discharge Gas Thermostat, DGT FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $86.71Now: $67.00 -
Carrier HH18HA285 65-85F Auto Limit Switch
Carrier
MSRP: $15.48Now: $11.7365-85F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $15.48Now: $11.73 -
Carrier HH18HA286 Temperature Switch
Carrier
MSRP: $45.51Now: $35.16Temperature Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $45.51Now: $35.16 -
Carrier HH18HA291 290F M/R Limit Switch
Carrier
MSRP: $55.51Now: $42.05290F M/R Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $55.51Now: $42.05 -
Carrier HH18HA296 Temperature Limit Switch
Carrier
MSRP: $23.79Now: $18.39Temperature Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $23.79Now: $18.39 -
Carrier HH18HA297 SWITCH TEMP ACTIVE
Carrier
MSRP: $36.12Now: $27.36Carrier HH18HA297 SWITCH TEMP ACTIVE Item is Non-Cancelable / Non-Returnable FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when...MSRP: $36.12Now: $27.36 -
Carrier HH18HA415 15F BREAK 25F MAKE TEMP SWTICH
Carrier
MSRP: $27.01Now: $20.87Carrier HH18HA415 15F BREAK 25F MAKE TEMP SWTICH FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No...MSRP: $27.01Now: $20.87 -
Carrier HH18HA430 100-130F Auto Limit Switch
Carrier
MSRP: $65.70Now: $49.78100-130F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $65.70Now: $49.78 -
Carrier HH18HA435 100-135F Auto Limit Switch
Carrier
MSRP: $31.52Now: $24.35100-135F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $31.52Now: $24.35 -
Carrier HH18HA440 100-140F Auto Limit Switch
Carrier
MSRP: $78.99Now: $61.03100-140F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $78.99Now: $61.03 -
Carrier HH18HA450 SWITCH TEMP ACT
Carrier
MSRP: $113.72Now: $87.87Carrier HH18HA450 SWITCH TEMP ACT FurnacePartSource.com Commitment Always Brand-New Genuine Parts In stock parts ship Same Business Day when ordered by 5PM ET No Minimum Order...MSRP: $113.72Now: $87.87
Carrier Furnace & HVAC Replacement Parts
Carrier is a leading HVAC brand with a long-standing reputation for reliable heating and cooling systems. When a Carrier unit requires service, sourcing the correct OEM replacement parts—such as blower motors, ignition modules, flame sensors, control boards, gas valves, and limit switches—is vital for restoring performance and maintaining safety.
Maintenance & Repair Focus
Maintenance of a Carrier system often involves replacing wear-items and diagnostic parts. Typical replacement part categories include:
- Ignitors & Flame Sensors – For safe burner ignition and flame detection.
- Blower Motors & Capacitors – To restore proper airflow and system efficiency.
- Gas Valves & Pressure Switches – To ensure correct fuel delivery and combustion safety.
- Control Boards & Limit Switches – To maintain proper operation of sequence logic and safety limits.
- Wiring Harnesses & Filters – Supporting reliable connectivity and airflow integrity.
Why OEM Carrier Parts Matter
Using genuine Carrier replacement parts ensures:
- Exact fit for your model and serial number.
- Maintained efficiency and safety ratings consistent with factory standards.
- Compatibility with control logic and system design.
Carrier itself states that “Factory Authorized Parts … preserve the original efficiency of the system.” By selecting OEM or approved equivalent parts, you avoid common pitfalls of mismatched replacements that may degrade performance or invalidate warranty conditions.
How to Select the Correct Part
Before ordering, verify:
- The model number and serial number of your Carrier unit.
- The part number or description of the failing or service component.
- Whether your system is residential or commercial, as system design may differ significantly.
Tools such as Carrier’s official parts diagrams and OEM lookup references can help ensure you identify the right component. Once you have accurate details, sourcing an exact match will reduce downtime and maintain full system function.
FAQs
How do I find the right OEM part for my Carrier system?
Locate the model and serial number on your unit’s rating plate, then match that to the part number in Carrier’s OEM parts list or diagrams.
Why should I use Carrier-branded replacement parts rather than generic equivalents?
Carrier-branded (or Factory Authorized) parts are engineered to the original specifications, ensuring proper fit, performance, and longevity.
What are the most commonly replaced parts in Carrier furnaces?
Commonly replaced parts include ignitors, flame sensors, blower motors, control boards, and gas valves—typically due to wear or age.
Can I service a Carrier commercial unit the same as a residential unit?
The same principles apply—correct part selection, model verification, and maintenance best practices—but commercial systems often use higher-capacity components and may require specialized service procedures.
Does replacing a part with an OEM Carrier component improve efficiency?
Yes. A correct, functioning OEM replacement part helps your system operate at its designed efficiency, prevents unnecessary cycling or faults, and maintains original performance.
For more information, visit Furnace Part Source or explore Carrier’s official resources for part identification and system support. You can also consult Carrier part diagrams and Repair Clinic for additional guidance.