Lennox
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Lennox 12J17 24V DPDT N/O Sequencer Relay
Lennox
MSRP: $91.43Now: $70.65Lennox 12J17 24V DPDT N/O Sequencer Relay FurnacePartSource.com CommitmentMSRP: $91.43Now: $70.65 -
Lennox 12J22 4 TUBE DISTRIBUTOR ASSY
Lennox
MSRP: $77.04Now: $59.53Lennox 12J22 4 TUBE DISTRIBUTOR ASSY FurnacePartSource.com CommitmentMSRP: $77.04Now: $59.53 -
Lennox 12J31 COIL EVAP 24X40.5 3/8 3R 15FPI
Lennox
MSRP: $1,653.70Now: $1,277.86Lennox 12J31 COIL EVAP 24X40.5 3/8 3R 15FPI Must Ship by Freight TruckMSRP: $1,653.70Now: $1,277.86 -
Lennox 12J33 2 Ton Indoor TXV
Lennox
MSRP: $217.30Now: $167.92Lennox 12J33 2 Ton Indoor TXV FurnacePartSource.com CommitmentMSRP: $217.30Now: $167.92 -
Lennox 12J50 EVAP-COIL 3/8 20 X 32 3R 15FPI
Lennox
MSRP: $1,023.79Now: $791.11Lennox 12J50 EVAP-COIL 3/8 20 X 32 3R 15FPI Must Ship by Freight TruckMSRP: $1,023.79Now: $791.11 -
Lennox 12J55 1/3hp 208-230v1ph CCW ECM MTR
Lennox
MSRP: $735.72Now: $568.51Lennox 12J55 1/3hp 208-230v1ph CCW ECM MTR FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $735.72Now: $568.51 -
Lennox 12J56 Zp20K6E-Pfv-830 Comp 230V-1
Lennox
MSRP: $1,140.93Now: $864.34Lennox 12J56 Zp20K6E-Pfv-830 Comp 230V-1 Must Ship by Freight TruckMSRP: $1,140.93Now: $864.34 -
Lennox 12J57 Comp 104112-11 230V-1
Lennox
MSRP: $2,062.78Now: $1,593.97Lennox 12J57 104112-11 Comp 230V-1 Must Ship by Freight TruckMSRP: $2,062.78Now: $1,593.97 -
Lennox 12J62 9 TUBE DISTRIBUTOR ASSY
Lennox
MSRP: $95.17Now: $73.54Lennox 12J62 9 TUBE DISTRIBUTOR ASSY FurnacePartSource.com CommitmentMSRP: $95.17Now: $73.54 -
Lennox 12K40 Drier 3/8 ODF R410A 16cu in
Lennox
MSRP: $87.37Now: $67.51Lennox 12K40 Drier 3/8 ODF R410AMSRP: $87.37Now: $67.51 -
Lennox 12K41 3 TUBE HEAT EXCHANGER
Lennox
MSRP: $742.10Now: $573.44Lennox 12K41 3 TUBE HEAT EXCHANGER FurnacePartSource.com Commitment AlMSRP: $742.10Now: $573.44 -
Lennox 12K42 HEAT EXCHANGER 4 TUBE
Lennox
MSRP: $825.12Now: $637.59Lennox 12K42 HEAT EXCHANGER 4 TUBE Must Ship by Freight TruckMSRP: $825.12Now: $637.59 -
Lennox 12K44 5 TUBE HEAT EXCHANGER
Lennox
MSRP: $913.16Now: $705.62Lennox 12K44 5 TUBE HEAT EXCHANGER Must Ship by Freight TruckMSRP: $913.16Now: $705.62 -
Lennox 12K48 LP Burner Orifice
Lennox
MSRP: $28.78Now: $22.24LP Burner Orifice FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $28.78Now: $22.24 -
Lennox 12K49 5 TUBE HEAT EXCHANGER
Lennox
MSRP: $935.80Now: $723.12Lennox 12K49 5 TUBE HEAT EXCHANGER Must Ship by Freight TruckMSRP: $935.80Now: $723.12 -
Lennox 12K50 6 TUBE HEAT EXCHANGER
Lennox
MSRP: $1,064.10Now: $822.26Lennox 12K50 6 TUBE HEAT EXCHANGER Must Ship by Freight TruckMSRP: $1,064.10Now: $822.26 -
Lennox 12K79 7 TUBE HEAT EXCHANGER
Lennox
MSRP: $1,132.02Now: $874.74Lennox 12K79 7 TUBE HEAT EXCHANGER Must Ship by Freight TruckMSRP: $1,132.02Now: $874.74 -
Lennox 12K80 COLLECTOR BOX GASKET
Lennox
MSRP: $17.87Now: $13.81Lennox 12K80 COLLECTOR BOX GASKET FurnacePartSource.com CommitmentMSRP: $17.87Now: $13.81 -
Lennox 12K82 FLUE COVER GASKET
Lennox
MSRP: $25.81Now: $19.94Lennox 12K82 FLUE COVER GASKET FurnacePartSource.com CommitmentMSRP: $25.81Now: $19.94 -
Lennox 12K87 Anti Siphon Tube
Lennox
MSRP: $56.86Now: $43.08Anti Siphon Tube FurnacePartSource.com Commitment Item Typically Ships within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $56.86Now: $43.08
Lennox Furnace and HVAC Replacement Parts
Lennox replacement parts can vary by equipment type, model number, series, fuel type, voltage, control configuration, and component application. This brand page may include service parts for compatible Lennox furnaces, air conditioners, heat pumps, air handlers, and related HVAC equipment. Common product types may include flame sensors, pressure switches, limit controls, capacitors, inducer assemblies, blower components, control kits, maintenance kits, gaskets, brackets, drain traps, conversion parts, and other repair components.
Find Lennox Parts by Model Number or Part Number
Many Lennox part searches begin with a model number, part number, parts list, or equipment diagram. If the original component has a readable label, compare the part number, electrical rating, size, connection type, and application with the product listing. For older Lennox furnace parts, model-specific components, or parts used across multiple equipment families, the exact model number and service documentation can help narrow the correct replacement.
Common Lennox Furnace Parts
Lennox furnace replacement parts may include flame sensors, rollout switches, high-limit controls, pressure switches, ignition-related components, blower motors, capacitors, control boards, inducer assemblies, gas-related parts, and maintenance kits. These components are often selected by exact part number and equipment model. For safety and control components, small differences in rating, wiring, mounting, or operating range can affect compatibility.
Lennox Air Conditioner, Heat Pump, and Air Handler Parts
Lennox HVAC parts may also include components for cooling and heat pump systems, such as capacitors, condenser-related parts, blower modules, drain components, control parts, and electrical service components. Before selecting a replacement, compare the product details with the equipment data plate, existing part label, service manual, or parts diagram. Important details may include voltage, capacitance, horsepower, motor type, connector style, mounting style, and equipment application.
Confirm Compatibility Before Ordering
Use the exact Lennox part number whenever possible. If the part number is missing or difficult to read, compare the equipment model number, serial number, component specifications, dimensions, wiring connections, and installation application before purchasing. For ignition, gas, electrical, pressure, and temperature-control parts, confirm the replacement against the system documentation or consult a qualified HVAC professional before installation.