Carrier
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Carrier HH18HA618 TEMPERATURE SWITCH
Carrier
MSRP: $141.70Now: $109.50Carrier HH18HA618 TEMPERATURE SWITCH FurnacePartSource.com CommitmentMSRP: $141.70Now: $109.50 -
Carrier HH18HB016 FREEZE THERMOSTAT
Carrier
MSRP: $30.23Now: $23.36Carrier HH18HB016 FREEZE THERMOSTAT FurnacePartSource.com CommitmentMSRP: $30.23Now: $23.36 -
Carrier HH18HB031 Freeze Thermostat SPST 30 Degree Open, 45 Degree Close
Carrier
MSRP: $77.22Now: $59.67Carrier HH18HB031 Freeze Thermostat SPST 30 Degree Open 45 Degree Close FurnacePartSource.com Commitment AlwaysMSRP: $77.22Now: $59.67 -
Carrier HH18HB052 Defrost Thermostat
Carrier
MSRP: $24.45Now: $18.90Defrost Thermostat FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $24.45Now: $18.90 -
Carrier HH18HC065 Defrost Thermostat
Carrier
MSRP: $334.31Now: $253.26Defrost Thermostat FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $334.31Now: $253.26 -
Carrier HH18HC069 DEFROST TEMP SWITCH
Carrier
MSRP: $230.67Now: $178.24Carrier HH18HC069 DEFROST TEMP SWITCH FurnacePartSource.com CommitmentMSRP: $230.67Now: $178.24 -
Carrier HH18HC196 195F M/R SPST Rollout Switch
Carrier
MSRP: $64.38Now: $49.75195F M/R SPST Rollout Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $64.38Now: $49.75 -
Carrier HH18HC350 350F SPDT Rollout Switch
Carrier
MSRP: $147.99Now: $114.35350F SPDT Rollout Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $147.99Now: $114.35 -
Carrier HH18HH130 Limit Switch
Carrier
MSRP: $22.42Now: $16.99Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $22.42Now: $16.99 -
Carrier HH18HV100 90-100F Auto Limit Switch
Carrier
MSRP: $196.99Now: $149.2490-100F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $196.99Now: $149.24 -
Carrier HH18HV110 90-110F Auto Limit Switch
Carrier
MSRP: $140.43Now: $106.3990-110F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $140.43Now: $106.39 -
Carrier HH18HV120 90-120F Auto Limit Switch
Carrier
MSRP: $102.81Now: $79.4590-120F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $102.81Now: $79.45 -
Carrier HH18HV125 95-125F Auto Limit Switch
Carrier
MSRP: $88.84Now: $68.6595-125F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $88.84Now: $68.65 -
Carrier HH18HV131 130-30F Auto Limit Switch
Carrier
MSRP: $93.67Now: $72.38130-30F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $93.67Now: $72.38 -
Carrier HH18HV135 110-135F Auto Limit Switch
Carrier
MSRP: $174.26Now: $134.65110-135F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $174.26Now: $134.65 -
Carrier HH18HV140 110-140F Auto Limti Switch
Carrier
MSRP: $112.56Now: $86.98Carrier HH18HV140 110-140F Auto Limti Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...MSRP: $112.56Now: $86.98 -
Carrier HH18HV145 115-145F Auto Limit Switch
Carrier
MSRP: $113.36Now: $87.59115-145F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $113.36Now: $87.59 -
Carrier HH18HV155 Temperature Switch, 155 Degree
Carrier
MSRP: $110.42Now: $85.32Temperature Switch, 155 Degree FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $110.42Now: $85.32 -
Carrier HH18HV160 157-160F Auto Limit Switch
Carrier
MSRP: $86.79Now: $67.06157-160F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $86.79Now: $67.06 -
Carrier HH18HV170 142-170F Auto Limit Switch
Carrier
MSRP: $116.77Now: $90.23142-170F Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $116.77Now: $90.23
Carrier Furnace Parts by Model Number and Application
Carrier furnace and HVAC parts can vary by furnace series, equipment model, installation type, and system configuration. This category may include replacement components for compatible Carrier heating and cooling equipment, including ignitors, flame sensors, blower motors, control boards, relays, gas valves, switches, gaskets, pressure parts, support plates, and maintenance-related components. When replacing a Carrier furnace part, start with the exact model number from the equipment data plate and the part number from the existing component whenever available.
Finding the Right Carrier Replacement Part
Many Carrier part searches depend on model-specific details. Similar Carrier furnace models may use different boards, motors, sensors, valves, or ignition components depending on the series, voltage, cabinet size, fuel type, and production revision. Before selecting a replacement, compare the product listing with the original part label, service manual, parts diagram, or parts list for the equipment. For older Carrier furnaces, the model number and existing component label are especially important because replacement requirements may differ from newer systems.
Common Carrier Furnace and HVAC Components
Available Carrier parts may include hot surface ignitor kits, blower motors, gas valves, control boards, relay boards, gasket kits, switches, sensors, brackets, support plates, and other HVAC service parts. Ignition and flame-sensing parts help support burner startup and flame verification in compatible furnace systems. Blower motors and related motor components support airflow operation. Gas valves, pressure switches, and safety controls should be selected carefully because ratings, wiring, mounting, and fuel application can affect compatibility.
Using Carrier Parts Diagrams, Lists, and Existing Labels
If you are searching for Carrier furnace parts by model number, use the full model number rather than only the furnace name or series. Searches for Carrier parts catalogs, parts diagrams, and furnace parts lists are useful starting points, but the final replacement should be confirmed against the product details on the listing. Check key details such as voltage, horsepower, RPM, pressure rating, gas type, wiring connections, mounting style, dimensions, and kit contents before purchasing.
Confirm Compatibility Before Ordering
For the best match, compare the Carrier model number, serial number, original part number, and component specifications before placing an order. If the existing part number is missing or unreadable, review the equipment documentation or parts diagram to narrow the correct replacement. For gas, ignition, electrical, and safety-related furnace components, installation and replacement should follow the equipment documentation and applicable service requirements.