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Armstrong Furnace Parts

Search by model number to find guaranteed compatible OEM replacement parts for your Armstrong 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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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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Armstrong Parts

ARMSTRONG 3/4" MIXING VALVE Boiler parts, Condensate Pumps furnace part

ARMSTRONG 3/4" MIXING VALVE

Part #: 928-050
In Stock
CA$149.16
ARMSTRONG PRESSURE SWITCH 0.60" WC Air Pressure Switch, Air Proving furnace part

ARMSTRONG PRESSURE SWITCH 0.60" WC

Part #: 773-328
In Stock
CA$182.50
ARMSTRONG DUAL PRESSURE SWITCHES 0.45" WC / .80" WC Air Pressure Switch, Air Proving furnace part

ARMSTRONG DUAL PRESSURE SWITCHES 0.45" WC / .80" WC

Part #: 773-068
In Stock
CA$148.71
ARMSTRONG CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

ARMSTRONG CONTROL BOARD

Part #: 446-093
In Stock
CA$679.99
ARMSTRONG AIR PRESSURE SWITCH 2-STG 0.45" WC / 1.00" WC Air Pressure Switch, Air Proving furnace part

ARMSTRONG AIR PRESSURE SWITCH 2-STG 0.45" WC / 1.00" WC

Part #: 773-190
In Stock
CA$181.84
S25 ARMSTRONG CIRCULATOR PUMP Boiler parts, Condensate Pumps furnace part

S25 ARMSTRONG CIRCULATOR PUMP

Part #: 928-029
In Stock
CA$685.65
LENNOX ARMSTRONG 80V HOT SURFACE IGNITOR Hot Surface Ignitors furnace part

LENNOX ARMSTRONG RHEEM 80V HOT SURFACE IGNITOR

Part #: 468-003
In Stock
CA$132.75
LENNOX ARMSTRONG INDUCER MOTOR Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX ARMSTRONG INDUCER MOTOR

Part #: 463-184
In Stock
CA$807.21
LENNOX ARMSTRONG INDUCER 3400RPM 120V 60HZ Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX ARMSTRONG INDUCER 3400RPM 120V 60HZ

Part #: 463-113
In Stock
CA$737.02
ARMSTRONG LENNOX DUCANE DRAFT INDUCER BLOWER MOTOR 2 STAGE 1/20HP 115V Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

ARMSTRONG LENNOX DUCANE DRAFT INDUCER BLOWER MOTOR 2 STAGE 1/20HP 115V

Part #: 463-126
In Stock
CA$745.79
FLAME SENSOR ROD ARMSTRONG Flame Sensor Rods furnace part

FLAME SENSOR ROD ARMSTRONG

Part #: 352-050
In Stock
CA$65.80
ARMSTRONG AIR LENNOX ROLLOUT SWITCH L185F Flame Rollout Switch furnace part

ARMSTRONG AIR LENNOX ROLLOUT SWITCH L185F

Part #: 765-023
Call for availability
CA$84.47
LENNOX ARMSTRONG INDUCER MOTOR ASSEMBLY 3400RPM 1/30HP Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX ARMSTRONG INDUCER MOTOR ASSEMBLY 3400RPM 1/30HP

Part #: 463-106
In Stock
CA$739.21
LENNOX ARMSTRONG PRESSURE SWITCH -0.10" WC Air Pressure Switch, Air Proving furnace part

LENNOX ARMSTRONG PRESSURE SWITCH -0.10" WC

Part #: 773-192
In Stock
CA$108.58
1/2" X 1/2" ARMSTRONG 4 SPRING COUPLER Boiler parts, Condensate Pumps furnace part

1/2" X 1/2" ARMSTRONG 4 SPRING COUPLER

Part #: 928-032
In Stock
CA$128.28
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-009
In Stock
CA$68.61
LENNOX ARMSTRONG DUCANE CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

LENNOX ARMSTRONG DUCANE CONTROL BOARD

Part #: 446-026
In Stock
CA$537.00
OEM LENNOX ARMSTRONG AIR AIRE-EASE CONCORD DUCANE, CONTROL BOARD 120V Control Board, Circuit, Ignition Modulating furnace part

OEM LENNOX ARMSTRONG AIR AIRE-EASE CONCORD DUCANE, CONTROL BOARD 120V

Part #: 446-005
In Stock
CA$1,195.46
LENNOX ARMSTRONG CONCORD PRESSURE SWITCH -0.50" WC Air Pressure Switch, Air Proving furnace part

LENNOX ARMSTRONG CONCORD PRESSURE SWITCH -0.50" WC

Part #: 773-063
In Stock
CA$144.77
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-018
In Stock
CA$68.86
LENNOX ARMSTRONG DUCANE COLLECTOR BOX Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX ARMSTRONG DUCANE COLLECTOR BOX

Part #: 463-296
In Stock
CA$1,087.98
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-036
In Stock
CA$48.86
LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 95V Hot Surface Ignitors furnace part

LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 95V

Part #: 468-008
In Stock
CA$199.13
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-016
In Stock
CA$48.86
FLAME SENSOR LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR LENNOX ARMSTRONG DUCANE

Part #: 352-051
In Stock
CA$68.21
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-031
In Stock
CA$94.63
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-014
In Stock
CA$95.33
ALLIED/ARMSTRONG CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

ALLIED/ARMSTRONG CONTROL BOARD

Part #: 446-170
In Stock
CA$1,283.20
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-029
In Stock
CA$285.15
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-008
In Stock
CA$60.58
2 STAGE IGNITION CONTROL BOARD ARMSTRONG Control Board, Circuit, Ignition Modulating furnace part

2 STAGE IGNITION CONTROL BOARD ARMSTRONG

Part #: 446-113
In Stock
CA$484.72
LENNOX ARMSTRONG DUCANE CONCORD & AIR EASE DRAFT INDUCER ASSEMBLY SINGLE STAGE 1/30 HP 115V 3000 RPM Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX ARMSTRONG DUCANE CONCORD & AIR EASE DRAFT INDUCER ASSEMBLY SINGLE STAGE 1/30 HP 115V 3000 RPM

Part #: 463-219
In Stock
CA$704.31
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
CA$94.10
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-017
In Stock
CA$54.82
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-028
In Stock
CA$49.05
LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V Hot Surface Ignitors furnace part

LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V

Part #: 468-007
In Stock
CA$181.27
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-003
In Stock
CA$126.96
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-027
In Stock
CA$193.38
LENNOX ARMSTRONG DUCANE IGNITION LEAD (SENSOR WIRE) Hot Surface Ignitors furnace part

LENNOX ARMSTRONG DUCANE IGNITION LEAD (SENSOR WIRE)

Part #: 468-030
In Stock
CA$37.29
LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V Hot Surface Ignitors furnace part

LENNOX/ARMSTRONG/DUCANE/AIRE FLO HOT SURFACE IGNITOR 120V

Part #: 468-012
In Stock
CA$377.28

Image coming soon

463-302

LENNOX/ARMSTRONG/DUCANE/AIRE FLO INDUCER ASSEMBLY

Part #: 463-302
In Stock
CA$679.98
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-001
In Stock
CA$60.58
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
CA$513.28
LENNOX DUCANE ARMSTRONG DRAFT INDUCER VENT MOTOR 115V 60HZ Inducer Motor, Assembly, Venter, Draft, Exhaust Fan Fasco, Combustion Air Blower furnace part

LENNOX DUCANE ARMSTRONG DRAFT INDUCER VENT MOTOR 115V 60HZ

Part #: 463-038
In Stock
CA$1,112.10
LENNOX ARMSTRONG DUCANE FLAME SENSOR WITH WIRE Flame Sensor Rods furnace part

LENNOX ARMSTRONG DUCANE FLAME SENSOR WITH WIRE

Part #: 000-811
In Stock
CA$60.12
LENNOX ARMSTRONG DUCANE FAN CONTROL BOARD Control Board, Circuit, Ignition Modulating furnace part

LENNOX ARMSTRONG DUCANE FAN CONTROL BOARD

Part #: 001-050
In Stock
CA$208.95
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-002
In Stock
CA$48.81
FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE Flame Sensor Rods furnace part

FLAME SENSOR ROD LENNOX ARMSTRONG DUCANE

Part #: 352-011
In Stock
CA$69.71

Looking for a specific Armstrong part?

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Frequently Asked Questions

How do I find my Armstrong furnace model number?
Your Armstrong 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 Armstrong furnaces?
We carry a full range of OEM replacement parts for Armstrong 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 Armstrong parts genuine OEM?
Yes, we stock genuine OEM replacement parts for Armstrong 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 Armstrong parts shipped?
We offer fast shipping on all Armstrong 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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