Trane
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Trane CNT3774 Air Pressure Control
Trane
MSRP: $149.01Now: $115.15Trane CNT3774 Air Pressure Control FurnacePartSource.com CommitmentMSRP: $149.01Now: $115.15 -
Trane CNT3775 10/50f SPDT Defrost Control ; 50Cap
Trane
MSRP: $189.77Now: $146.6410/50f SPDT Defrost Control ; 50Cap FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $189.77Now: $146.64 -
Trane CNT3780 Limit Switch 155f Auto SPST
Trane
MSRP: $88.93Now: $68.72Trane CNT3780 Limit Switch 155f Auto SPST FurnacePartSource.com CommitmentMSRP: $88.93Now: $68.72 -
Trane CNT3781 180F CO Auto Limit Switch
Trane
MSRP: $77.06Now: $59.54180F CO Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $77.06Now: $59.54 -
Trane CNT3782 200F CO Auto Limit Switch
Trane
MSRP: $99.99Now: $77.26200F CO Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $99.99Now: $77.26 -
Trane CNT3783 SPST A/R N/C Limit Switch; 220Op
Trane
MSRP: $98.01Now: $75.74SPST A/R N/C Limit Switch; 220Op FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $98.01Now: $75.74 -
Trane CNT3784 LimitSwitch 210F SPST NC Auto
Trane
MSRP: $63.19Now: $48.83Trane CNT3784 LimitSwitch 210F SPST NC Auto FurnacePartSource.com CommitmentMSRP: $63.19Now: $48.83 -
Trane CNT3785 170F CO Auto Limit Switch
Trane
MSRP: $102.94Now: $79.55170F CO Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $102.94Now: $79.55 -
Trane CNT3786 SPST A/R N/C Limit Sw; 225 OPN
Trane
MSRP: $82.47Now: $63.72Trane CNT3786 SPST A/R N/C Limit Sw; 225 OPN FurnacePartSource.com CommitmentMSRP: $82.47Now: $63.72 -
Trane CNT3787 260F CO Auto Limit Switch
Trane
MSRP: $179.11Now: $138.40260F CO Auto Limit Switch FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $179.11Now: $138.40 -
Trane CNT4319 Limit Control Op40 Cl30 SPST
Trane
MSRP: $84.35Now: $65.18Trane CNT4319 Limit Control Op40 Cl30 SPST FurnacePartSource.com CommitmentMSRP: $84.35Now: $65.18 -
Trane CNT4320 SPST Dif # Control ;.15"Op 3"Cl
Trane
MSRP: $180.77Now: $139.69SPST Dif # Control ;.15"Op 3"Cl FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $180.77Now: $139.69 -
Trane CNT4333 Dual Compressor Defrost Control
Trane
MSRP: $1,251.34Now: $966.95Trane CNT4333 Dual Compressor Defrost Control FurnacePartSource.com CommitmentMSRP: $1,251.34Now: $966.95 -
Trane CNT4355 Fan and Limit Control
Trane
MSRP: $464.44Now: $358.89Trane CNT4355 Fan and Limit Control FurnacePartSource.com CommitmentMSRP: $464.44Now: $358.89 -
Trane CNT4356 Primary Control
Trane
MSRP: $761.10Now: $576.59Trane CNT4356 Primary Control FurnacePartSource.com Commitment AlwaysMSRP: $761.10Now: $576.59 -
Trane CNT4358 Fan Center Control
Trane
MSRP: $598.12Now: $462.19Trane CNT4358 Fan Center Control FurnacePartSource.com CommitmentMSRP: $598.12Now: $462.19 -
Trane CNT4363 Defrost Control
Trane
MSRP: $303.73Now: $234.70Defrost Control FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $303.73Now: $234.70 -
Trane CNT4364 Defrost Control Board
Trane
MSRP: $177.23Now: $136.95Defrost Control Board FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order RequirementsMSRP: $177.23Now: $136.95 -
Trane CNT4365 Defrost Control
Trane
MSRP: $253.74Now: $196.07Defrost Control FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $253.74Now: $196.07 -
Trane CNT4368 Defrost Control Board
Trane
MSRP: $325.81Now: $251.76Trane CNT4368 Defrost Control Board FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...MSRP: $325.81Now: $251.76
Trane Furnace, HVAC, and Cooling Replacement Parts
Trane replacement parts can cover many different areas of a heating or cooling system, including furnace components, air conditioning parts, heat pump parts, blower assemblies, compressors, coils, capacitors, burners, ignition controls, filters, drain pans, and related service components. Because Trane equipment is produced across many model families and system types, the correct replacement often depends on the exact part number, model number, voltage, motor rating, fuel type, and equipment configuration rather than the brand name alone.
How to Choose the Right Trane Replacement Part
When shopping for Trane furnace parts or HVAC parts, start by comparing the product listing with the label on your existing component. Important details may include the Trane part number, equipment model number, serial number, voltage, horsepower, RPM, phase, capacitor rating, coil dimensions, burner type, wiring connections, mounting style, and any replacement or superseded part references shown in the service documentation. For furnace parts such as burners, ignition controls, heat exchangers, flame-related components, or gas-related parts, also verify the approved fuel type and installation requirements before ordering.
Finding Trane Parts by Model Number or Part Number
Many shoppers look for Trane furnace parts by model number, parts lists, or parts diagrams. Those references can be useful for identifying the original component, but the final match should still be confirmed against the product details. A blower motor, inducer motor, control board, capacitor, compressor, or coil may look similar to another part while requiring different electrical ratings, dimensions, connections, or mounting hardware. Matching the exact part number is the safest option when available.
Common Trane Furnace and HVAC Part Types
This category may include Trane furnace parts, air conditioner parts, heat pump parts, unit heater parts, and general HVAC service components for compatible systems. Common replacement categories can include motors, blower housings, run capacitors, compressors, condenser or evaporator coil parts, burner components, ignition-related parts, filters, drain pans, conversion kits, and electrical controls. Use the product cards and listing details to narrow the selection by part type, equipment application, and technical specifications.
Confirm Compatibility Before Ordering
Before placing an order, review the existing part label, equipment data plate, model number, serial number, service manual, and any available Trane parts diagram or parts list. Confirm that the replacement part matches the required voltage, horsepower, RPM, MFD rating, pressure or temperature rating, fuel type, size, and connection configuration for the equipment. If a product is being replaced because the original part is worn, damaged, or discontinued, compare all available specifications carefully to help confirm the correct replacement for the Trane heating, cooling, or HVAC system.