Ignitor

Hot surface ignitors are use in many gas furnace applications to ignite the main burners. The ignitor will receive power after the draft inducer has been operating and cleared the heat exchanger of any leftover gases. It should glow bright orange. The gas valve will open once the ignitor has been powered long enough to reach proper temperature for ignition. The gas should light immediately. The flame will travel across the burners and reach the flame sensor on the opposite side of the burners. If the flame does not reach the flame sensor the gas valve will shut down and the process of the draft inducer clearing the heat exchanger of leftover gasses will begin again. The furnace will attempt to light 3 times and then will lock out and need to be reset by shutting off power and restoring power with the power switch. You will need a volt meter to check the ignitor. Shut off power and connect the probes on the volt meter to the 2 leads of the ignitor. Make sure the volt meter is set to read AC power. Turn power back on and watch the volt meter. If the ignitor does not glow while the power is applied the ignitor has failed. If power is never applied you may have a bad circuit board.

This is a very common failure item and should be kept as a spare. It is quite simple to change. The only tools needed are a 1/4" nut driver. Extended length with magnetic tip makes the job easier. Common cause of failure is insufficient air flow such as dirty filter or restricted ducts. Make sure registers are open and returns are not blocked and evaporator coil and blower wheel are clean. Air flow will cause the burners to cycle on limit switch. Switch may trip 8 or 10 times during a heating cycle causing ignitor to repeatedly heat up and cool down.




Product Image Model- Item Name Price
Armstrong / Ducane Hot Surface Ignitor R100997-02 R10099702

Armstrong / Ducane Hot Surface Ignitor R100997-02

Armstrong, Ducane gas furnace hot surface ignitor P/N R100997-02 Replaces P/N 56W61, 44744-002 Genuine Armstrong, Ducane furnace parts
$55.00

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Armstrong / Ducane Ignitor Flame Rod Assembly R42640-001 R42640001

Armstrong / Ducane Ignitor Flame Rod Assembly R42640-001

Armstrong, Ducane ignitor flame rod assembly P/N R42640-001 Armstrong flame sensor and ignitor assembly for an Armstrong and Ducane gas furnace....
$100.00

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Carrier Bracket Kit 329494-751 329494751

Carrier Bracket Kit 329494-751

Carrier ignitor bracket and gasket kit P/N 329494-751 Genuine Carrier parts
$18.00

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Carrier Electrode Wire 301286-702 301286702

Carrier Electrode Wire 301286-702

Carrier electrode wire P/N 301286-702 High voltage electrode wire.  27 inches. Replaces P/N 58DH301286702, 58DH301286704, 58SS680001 Genuine Carrier...
$28.00

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Carrier Furnace Door Switch HR54ZA006 HR54ZA006

Carrier Furnace Door Switch HR54ZA006

Carrier furnace filter door switch P/N HR54ZA006 This door switch shuts off power to the furnace when filter door that covers the furnace blower is...
$17.00

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Carrier Hot Surface Ignitor Bracket 323901-701 323901701

Carrier Hot Surface Ignitor Bracket 323901-701

Carrier hot surface ignitor bracket P/N 323901-701 Comes with gasket. Replaces part number  319897-301, 319851-301 Genuine Carrier parts Shipping...
$44.00

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Carrier Hot Surface Ignitor LH33ZG001 LH33ZG001

Carrier Hot Surface Ignitor LH33ZG001

Carrier hot surface ignitor P/N LH33ZG001. Genuine Carrier parts Shipping rate for continental United States.  Contact us for rates to other...
$45.00

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Carrier Hot Surface Ignitor LH33ZG002 LH33ZG002

Carrier Hot Surface Ignitor LH33ZG002

Carrier hot surface ignitor P/N LH33ZG002 Replaces Heil P/N 1172533 Genuine Carrier parts Shipping rate for continental United States.  Contact us...
$43.00

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Carrier Hot Surface Ignitor LH33ZS004 LH33ZS004

Carrier Hot Surface Ignitor LH33ZS004

Carrier hot surface ignitor P/N LH33ZS004 Norton model 271 Used with many Carrier, Bryant and Payne gas furnace applications Replaces:  LH33ZS001,...
$28.00

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Carrier Hot Surface Ignitor LH33ZS004 10 Pack LH33ZS004 10

Carrier Hot Surface Ignitor LH33ZS004 10 Pack

Carrier hot surface ignitor P/N LH33ZS004 10 pack Norton model 271N This ignitor is used on many Carrier, Bryant, Payne, and Day&Night gas...
$189.00

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