Furnaces & Furnace Parts

Ensure your furnace operates at peak efficiency with a comprehensive selection of furnace accessories designed to enhance performance and reliability. Furnace accessories include a variety of essential components, such as switches, sensors, filters, and maintenance tools that play a crucial role in the overall function of your heating system. These accessories help prevent breakdowns, improve airflow, and maintain optimal heating efficiency throughout the cold months.

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Showing 97–144 of 1519 resultsSorted by popularity

Cadet CSC202TW (67507) Com-Pak Electric Fan-Forced Heater with Thermostat, 2000W, 240V, White

Cadet

SKU: CSC202TW
$132.99
MSRP: $152.94
You save 15%
Cadet CSC202TW (67507) Com-Pak Electric Fan-Forced Heater with Thermostat, 2000W, 240V, White quantity
Electric Heat Sequencer with 2 Switches 1-30 Second On Timing

White-Rodgers

SKU: 24A34-4
$13.73
MSRP: $30.34
You save 55%
White-Rodgers 24A34-4 1 Timing, 2 Switch Electric Heat Sequencer quantity
4-1/2″ Hot Surface Igniter, 4-1/2″ Lead Length

Robertshaw

SKU: 41-204
$31.62
MSRP: $48.88
You save 35%
Robertshaw 41-204 4-1/2in Hot Surface Igniter for Most Gas Ranges quantity
2″ Universal Flat Gas Dryer Igniter

Supco

SKU: SDE364
$11.99
MSRP: $13.79
You save 15%
Supco SDE364 Gas Dryer Igniter, 2in Flat quantity
Hot Surface Ignitor with 19-1/8 Leads

White-Rodgers

SKU: 767A-371
$18.61
White-Rodgers 767A-371 Hot Surface Ignitor with 19.13in Leads quantity
Fan and Limit Control 50 to 265 Degree F Range

White-Rodgers

SKU: 5D51-35
$126.55
MSRP: $287.90
You save 56%
White-Rodgers 5D51-35 Fan and Limit Controller, 50F to 265F Range quantity
Protector Relay Oil Burner Control, 30sec Safety

Resideo

SKU: R8184G4033

Rated 5.00 out of 5
$138.76
Honeywell R8184G4033 Protectorelay Oil Burner Control, 30sec Safety quantity
Universal Pilot Burner and Igniter, Non-Aerated

Resideo

SKU: Q345U1005

Rated 5.00 out of 5
$69.91
Honeywell Q345U1005 Universal Pilot Burner and Igniter, Non-Aerated quantity
Universal Pilot Burner for NG/LP

Resideo

SKU: Q314U1001
$62.99
Honeywell Q314U1001 Universal Pilot Burner for NG/LP quantity
120 V 30 W Heater

Reznor

SKU: 106952
$127.99
MSRP: $147.19
You save 15%
Reznor 106952 120 V 30 W Heater quantity
Ignition Control Module – 24 VAC/120 VAC

Fenwal

SKU: 35-725205-021
$191.81
MSRP: $220.58
You save 15%
Fenwal 35‑725205‑021 Ignition Control Module – 24 VAC/120 VAC quantity
Ignition Control 24 VAC Direct Spark

Fenwal

SKU: 35-605957-015
$217.13
MSRP: $249.70
You save 15%
Fenwal 35‑605957‑015 Ignition Control 24 VAC Direct Spark quantity
24 V Direct Spark Ignition Control Module

Fenwal

SKU: 35-605506-023
$217.13
MSRP: $249.70
You save 15%
Fenwal 35‑605506‑023 24 V Direct Spark Ignition Control Module quantity
120 VAC Direct Spark Ignition Control Module

Fenwal

SKU: 35-704600-001
$303.08
MSRP: $348.54
You save 15%
Fenwal 35‑704600‑001 120 VAC Direct Spark Ignition Control Module quantity
24V Hot Surface Ignition Control Module

Fenwal

SKU: 35-665721-101
$227.81
MSRP: $261.98
You save 15%
Fenwal 35-665721-101 24V Hot Surface Ignition Control Module quantity
Hot Surface Ignitor

York

SKU: S1-025-32625-000

Rated 5 out of 5
$70.93
MSRP: $81.57
You save 15%
York S1‑025‑32625‑000 Hot Surface Ignitor quantity
Ignition Module with Pre-purge

Burnham Boiler

SKU: 100959-01
$222.50
MSRP: $255.88
You save 13%
Burnham 100959-01 Ignition Module with Pre-purge quantity
BASO J994HKA-1 Natural Gas Pilot Burner – Reliable Ignition Component for Furnaces and Boilers

Baso Gas Products

SKU: J994HKA-1
$23.50
MSRP: $27.03
You save 15%
BASO J994HKA-1 Natural Gas Pilot Burner – Reliable Ignition Component for Furnaces and Boilers quantity
BASO J976LKW-9720 Natural Gas Pilot Burner Assembly – 1/4″ Compression Connection with .020″ Orifice for Reliable Ignition Performance

Baso Gas Products

SKU: J976LKW-9720
$76.85
MSRP: $88.38
You save 13%
BASO J976LKW-9720 Natural Gas Pilot Burner Assembly – 1/4" Compression Connection with .020" Orifice for Reliable Ignition Performance quantity
Lennox 54G52 460V to 230V Step-Down Transformer – 115VA HVAC Electrical Component

Lennox

SKU: 54G52
$99.01
MSRP: $113.86
You save 15%
Lennox 54G52 460V to 230V Step-Down Transformer – 115VA HVAC Electrical Component quantity
Amana-Goodman 22312907 3.5KW Heater Assembly

Amana-Goodman

SKU: 22312907
$83.69
MSRP: $96.24
You save 15%
Amana-Goodman 22312907 3.5KW Heater Assembly quantity
Robertshaw 41-409 Hot Surface Ignitor

Robertshaw

SKU: 41-409
$24.68
MSRP: $28.38
You save 15%
Robertshaw 41-409 Hot Surface Ignitor quantity
Honeywell S89C1087/B Hot Surface Ignition Control

Resideo

SKU: S89C1087/B
$122.88
MSRP: $141.31
You save 13%
Honeywell S89C1087/B Hot Surface Ignition Control quantity
Lennox 99W42 Heat Exchanger Assembly

Lennox

SKU: 99W42
$1,255.89
MSRP: $1,444.27
You save 15%
Lennox 99W42 Heat Exchanger Assembly quantity
OEM furnace limit control switch for safe temperature monitoring

Lennox

SKU: 19J81
$13.99
MSRP: $40.48
You save 65%
Lennox 19J81 Limit Control Switch for Furnace Temperature Protection quantity
Lennox 20A84 Rubber Cartridge Bearing

Lennox

SKU: 20A84
$45.68
MSRP: $67.79
You save 33%
Lennox 20A84 Rubber Cartridge Bearing quantity
Supco SGR1321 Gas Oven Range Ignitor

Supco

SKU: SGR1321

Rated 5.00 out of 5
$26.95
MSRP: $30.99
You save 13%
Supco SGR1321 Gas Oven Range Ignitor quantity
Lennox 27A23 Electric Heat Kit

Lennox

SKU: 27A23
$592.69
MSRP: $681.59
You save 15%
Lennox 27A23 Electric Heat Kit quantity
Two-speed combustion air blower built to OEM specifications

Lennox

SKU: 16X30
$125.35
MSRP: $144.15
You save 13%
Lennox 16X30 Two-Speed Combustion Air Blower | Cat #105223-01 quantity
Lennox 98M87 Flame Sensor

Lennox

SKU: 98M87
$15.21
MSRP: $18.39
You save 17%
Lennox 98M87 Flame Sensor quantity
Maxitrol 325-5-3/4 Gas Regulator – 3/4″ NPT, 10 PSI

Maxitrol

SKU: 325-5-3/4
$49.96
MSRP: $63.24
You save 21%
Maxitrol 325-5-3/4 Gas Regulator - 3/4" NPT, 10 PSI quantity
Maxitrol 325-3-1/2-RED Gas Regulator – 1/2″ NPT, 10 PSI

Maxitrol

SKU: 325-3-1/2-RED
$47.33
MSRP: $54.43
You save 15%
Maxitrol 325-3-1/2-RED Gas Regulator - 1/2" NPT, 10 PSI quantity
Electric Heat Sequencer with 1 Switch 1-20 Second On Timing

White-Rodgers

SKU: 24A34-1
$13.20
MSRP: $26.98
You save 51%
White-Rodgers 24A34-1 Electric Heat Sequencer with 1 Switch quantity
Carbide Ignitors, OEM Direct Replacement

White-Rodgers

SKU: 767A-377
$23.23
White-Rodgers 767A-377 OEM-Style Carbide Ignitors, Direct Replacement quantity
Universal Round Silicon Carbide Igniter Kit

Supco

SKU: SIG1100
$29.00
MSRP: $33.35
You save 15%
Supco SIG1100 Universal Round Silicon Carbide Igniter Kit quantity
36″ Thermopile with Coaxial Connection

Robertshaw

SKU: 1951-536
$57.74
MSRP: $126.81
You save 54%
Robertshaw 1951-536 36" Thermopile Generator Coaxial Connector quantity
Universal Pilot Burner and Igniter Combination

Resideo

SKU: Q3451U1000

Rated 5.00 out of 5
$88.35
Honeywell Q3451U1000 Universal Pilot Burner and Igniter Combination quantity
Universal Thermopile with Push-In Clip

Resideo

SKU: Q313U3000

Rated 5.00 out of 5
$66.72
Honeywell Q313U3000 Universal Thermopile Generator, Easy Installation quantity
OEM Thermal Fan Control Switch for Cozy Wall Furnace Systems

Cozy Heaters

SKU: 78067
$23.50
MSRP: $27.03
You save 15%
Cozy Heaters 78067 F120-25F Fan Switch quantity
L180-40F Thermal Limit Switch for Wall Furnaces & Heating Systems

Cozy Heaters

SKU: 78065
$20.99
MSRP: $24.14
You save 13%
Cozy Heaters 78065 L180-40F Limit Switch quantity
InSight Series IV Integrated Infrared Flame Scanner

Fireye

SKU: 95IRS4-1
$5,146.68
MSRP: $5,918.68
You save 15%
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Short natural gas pilot assembly for reliable burner ignition

GE Appliances

SKU: WS52X23199
$43.08
MSRP: $49.54
You save 13%
GE Appliances WS52X23199 Short Natural Gas Pilot Assembly quantity
Flame Sensor

Packard

SKU: PFS802
$13.58
MSRP: $15.62
You save 15%
Packard PFS802 Flame Sensor quantity
SPDT Heat Sequencer, 1 Timing, 1 Switch, 24V Control

Packard

SKU: HS33247
$25.40
MSRP: $29.21
You save 13%
Packard HS33247 SPDT Heat Sequencer quantity
DPST Heat Sequencer with 1 Timing Element & 2 Switches

Packard

SKU: HS24A343
$14.11
MSRP: $16.23
You save 13%
Packard HS24A343 DPST Heat Sequencer, 1 Timing, 2 Switches quantity
Hot Surface Ignitor

Trane

SKU: IGN0054USA
$55.30
MSRP: $63.60
You save 15%
Trane IGN00054USA Hot Surface Ignitor quantity
Electrode Ignitor 47″ Leads

Trane

SKU: IGN0033
$48.38
MSRP: $55.64
You save 15%
Trane IGN0033 Electrode Ignitor 47" Leads quantity
Heat Exchanger

Trane

SKU: EXC1858
$1,385.41
MSRP: $1,593.22
You save 15%
Trane EXC1858 Heat Exchanger quantity