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Lennox Furnace Parts

Search by model number to find guaranteed compatible OEM replacement parts for your Lennox furnace.

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Blower Motors & Run Capacitors166Draft Inducer Motors102Pressure Switches139Control Boards75Limit Switches144Gas Valves & Regulators43Transformers & Relays57Hot Surface Ignitors28Flame Sensors34Flame Rollout Switches22Blower Belts, Pulleys & Bearings44Thermocouples & Pilot Assemblies11Air Filters & Cleaners9A/C Parts13Venting & Vent Pipe8
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Browse All Lennox Models

Not sure of your exact model number? Browse the full Lennox model directory A–Z to find your furnace and its compatible parts.

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Lennox Parts

LENNOX/ARMSTRONG/DUCANE/AIRE FLO INDUCER ASSEMBLY Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX/ARMSTRONG/DUCANE/AIRE FLO INDUCER ASSEMBLY

Part #: 463-303
In Stock
$374.00
LENNOX LIMIT SWITCH, AUTO RESET, L140-40F Fan Disc, High Limit Control Switches furnace part

LENNOX LIMIT SWITCH, AUTO RESET, L140-40F

Part #: 001-139
In Stock
$39.00
LENNOX RELAY, 3PDT, 24V Electrical, Transformers, Relay furnace part

LENNOX RELAY, 3PDT, 24V

Part #: 000-169
In Stock
$79.00
LENNOX SENSOR, FLAME Flame Sensor Rods furnace part

LENNOX SENSOR, FLAME

Part #: 000-201
In Stock
$36.00
LENNOX PRESSURE SWITCH 0.86" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 0.86" WC

Part #: 773-343
In Stock
$58.00
LENNOX PRESSURE SWITCH 0.25" WC / 1.22" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 0.25" WC / 1.22" WC

Part #: 773-008
In Stock
$100.00
LENNOX LIMIT SWITCH, AUTO RESET, L220-40F Fan Disc, High Limit Control Switches furnace part

LENNOX LIMIT SWITCH, AUTO RESET, L220-40F

Part #: 000-173
In Stock
$50.00
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-016
In Stock
$36.00
LENNOX PRESSURE SWITCH 2-STG -0.30" WC / -1.37" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 2-STG -0.30" WC / -1.37" WC

Part #: 773-086
In Stock
$101.00
LENNOX SOLID STATE RELAY, TIME DELAY, 1 SECOND ON/8 SECOND OFF, 24VAC Electrical, Transformers, Relay furnace part

LENNOX SOLID STATE RELAY, TIME DELAY, 1 SECOND ON/8 SECOND OFF, 24VAC

Part #: 000-310
In Stock
$123.00
EQUIPMENT INTERFACE MODULE (EIM) Thermostats, Outdoor Sensors furnace part

EQUIPMENT INTERFACE MODULE (EIM)

Part #: 843-092
In Stock
$238.00
LENNOX 100-190F AUTO LIMIT SWITCH Fan Disc, High Limit Control Switches furnace part

LENNOX 100-190F AUTO LIMIT SWITCH

Part #: 000-353
In Stock
$51.00
LENNOX HEAT EXCHANGER Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX HEAT EXCHANGER

Part #: 427-094
In Stock
$3,916.00
LENNOX ARMSTRONG DUCANE FLAME SENSOR WITH WIRE Flame Sensor Rods furnace part

LENNOX ARMSTRONG DUCANE FLAME SENSOR WITH WIRE

Part #: 000-811
In Stock
$44.00
LENNOX SWITCH, LOW PRESSURE Air Pressure Switch, Air Proving furnace part

LENNOX SWITCH, LOW PRESSURE

Part #: 000-061
In Stock
$66.00
LENNOX ECM 3.0 1 HP BLOWER MODULE, 668-053 furnace part

LENNOX ECM 3.0 1 HP BLOWER MODULE

Part #: 668-053
In Stock
$1,502.00
LENNOX FAN BLADE, 18" DIAMETER, 4-BLADE, 34 PITCH, 1/2" BORE, CCW FACING DISCHARGE A/C parts furnace part

LENNOX FAN BLADE, 18" DIAMETER, 4-BLADE, 34 PITCH, 1/2" BORE, CCW FACING DISCHARGE

Part #: 782-087
In Stock
$392.00
LENNOX MOUNT, BLOWER Blower Motors, Fan, Run Capacitors furnace part

LENNOX MOUNT, BLOWER

Part #: 000-487
In Stock
$355.00
LENNOX RELAY, DPDT, 24V Electrical, Transformers, Relay furnace part

LENNOX RELAY, DPDT, 24V

Part #: 000-005
In Stock
$54.00
OEM LENNOX CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

OEM LENNOX CONTROL BOARD

Part #: 446-153
In Stock
$498.00
LENNOX MOTOR, BLOWER, 115 VOLT, 1 PH, 60HZ, 3/4 HP, 1075 RPM, 3 SPEED Blower Motors, Fan, Run Capacitors furnace part

LENNOX MOTOR, BLOWER, 115 VOLT, 1 PH, 60HZ, 3/4 HP, 1075 RPM, 3 SPEED

Part #: 000-588
In Stock
$755.00
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-027
In Stock
$141.00
LENNOX PRESSURE SWITCH 2-STG -0.30" WC / -0.68" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 2-STG -0.30" WC / -0.68" WC

Part #: 773-036
In Stock
$108.00
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-031
In Stock
$69.00
LENNOX GAS VALVE, NATURAL GAS, 24 VOLT, 3/4" X 3/4" Gas Control Valve, Regulators, Flexible Gas Line furnace part

LENNOX GAS VALVE, NATURAL GAS, 24 VOLT, 3/4" X 3/4"

Part #: 427-041
In Stock
$296.00
LENNOX INDUCER MOTOR ASSEMBLY (UPGRADE WITH PRESSURE SWITCH) Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX INDUCER MOTOR ASSEMBLY (UPGRADE WITH PRESSURE SWITCH)

Part #: 463-032
In Stock
$872.00
LENNOX TRANSFORMER, 208/240 VOLT, 70VA Electrical, Transformers, Relay furnace part

LENNOX TRANSFORMER, 208/240 VOLT, 70VA

Part #: 000-425
In Stock
$114.00
LENNOX LIMIT SWITCH, AUTO RESET, L130-20F Fan Disc, High Limit Control Switches furnace part

LENNOX LIMIT SWITCH, AUTO RESET, L130-20F

Part #: 000-382
In Stock
$51.00
LENNOX PRESSURE SWITCH 2-STG 0.20" WC / 1.32" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 2-STG 0.20" WC / 1.32" WC

Part #: 773-212
In Stock
$235.00
LENNOX PRESSURE SWITCH SINGLE PORT 0.15" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH SINGLE PORT 0.15" WC

Part #: 773-334
In Stock
$195.00
LENNOX ARMSTRONG DUCANE FAN CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

LENNOX ARMSTRONG DUCANE FAN CONTROL BOARD

Part #: 001-050
In Stock
$153.00
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-010
In Stock
$48.00
LENNOX Outdoor Unit Control Replacement Kit Miscellaneous furnace part

LENNOX Outdoor Unit Control Replacement Kit

Part #: 647-021
In Stock
$578.00
LENNOX PRESSURE SWITCH 1.95" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 1.95" WC

Part #: 773-013
In Stock
$118.00
LENNOX LIMIT SWITCH, AUTO RESET, 90-120F Fan Disc, High Limit Control Switches furnace part

LENNOX LIMIT SWITCH, AUTO RESET, 90-120F

Part #: 001-081
In Stock
$27.00
LENNOX FAN BLADE, 18" DIAMETER, 3-BLADE, 27 PITCH, 1/2" BORE A/C parts furnace part

LENNOX FAN BLADE, 18" DIAMETER, 3-BLADE, 27 PITCH, 1/2" BORE

Part #: 782-079
In Stock
$364.00
LENNOX PRESSURE SWITCH 2-STG 0.15" WC / 0.83" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 2-STG 0.15" WC / 0.83" WC

Part #: 773-040
In Stock
$222.00
LENNOX COMBUSTION AIR INDUCER BLOWER ASSEMBLY 1/40HP 3250RPM Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX COMBUSTION AIR INDUCER BLOWER ASSEMBLY 1/40HP 3250RPM

Part #: 463-163
In Stock
$282.00
LENNOX GAS VALVE, NATURAL, 3.2" WC, 24V, 1/2" Gas Control Valve, Regulators, Flexible Gas Line furnace part

LENNOX GAS VALVE, NATURAL, 3.2" WC, 24V, 1/2"

Part #: 000-695
In Stock
$1,664.00
LENNOX COLLECTOR BOX Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX COLLECTOR BOX

Part #: 463-147
In Stock
$182.00
LENNOX TRANSFORMER / RELAY 120 TO 24VAC, 50/60HZ, 40VA Electrical, Transformers, Relay furnace part

LENNOX TRANSFORMER / RELAY 120 TO 24VAC, 50/60HZ, 40VA

Part #: 000-205
In Stock
$187.00
LENNOX LIMIT SWITCH, L140-40F Fan Disc, High Limit Control Switches furnace part

LENNOX LIMIT SWITCH, L140-40F

Part #: 001-062
In Stock
$42.00
LENNOX BEARING BRACKET Blower Belts, Shaft, Pulley, Bearing furnace part

LENNOX BEARING BRACKET

Part #: 000-703
In Stock
$54.00
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-018
In Stock
$51.00
LENNOX PRESSURE SWITCH 2-STG -0.90" WC / -0.45" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH 2-STG -0.90" WC / -0.45" WC

Part #: 773-029
In Stock
$106.00
LENNOX PRESSURE SWITCH -1.12" WC Air Pressure Switch, Air Proving furnace part

LENNOX PRESSURE SWITCH -1.12" WC

Part #: 773-015
In Stock
$73.00
LENNOX FLAME ROLLOUT SWITCH/THERMOSTAT, 250F, MANUAL RESET Flame Rollout Switch furnace part

LENNOX FLAME ROLLOUT SWITCH/THERMOSTAT, 250F, MANUAL RESET

Part #: 000-109
In Stock
$37.00
LENNOX, ARMSTRONG PRESSURE SWITCH 0.55" WC Air Pressure Switch, Air Proving furnace part

LENNOX, ARMSTRONG PRESSURE SWITCH 0.55" WC

Part #: 773-012
In Stock
$69.00

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Frequently Asked Questions

How do I find my Lennox furnace model number?
Your Lennox model number is typically located on a rating plate or label on your furnace. Check the inside of the front panel door, on the side of the unit, or near the gas valve. The model number usually starts with a letter followed by numbers and may include a revision letter at the end. Enter it in the search bar above to find compatible parts instantly.
What replacement parts do you carry for Lennox furnaces?
We carry a full range of OEM replacement parts for Lennox furnaces, including control boards, blower motors, flame sensors, hot surface ignitors, inducer motors, pressure switches, gas valves, thermocouples, limit switches, and more. Use our model number search to find parts guaranteed compatible with your specific unit.
Are your Lennox parts genuine OEM?
Yes, we stock genuine OEM replacement parts for Lennox furnaces. Every part is sourced from authorized distributors to ensure exact-fit compatibility and reliable performance. All parts are backed by our 100% compatibility guarantee.
How fast can I get Lennox parts shipped?
We offer fast shipping on all Lennox furnace parts. Most in-stock items ship within 1-2 business days. We provide worldwide shipping with tracking on every order. For urgent needs, contact our support team at 1-778-759-9864 for expedited shipping options.

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