What igniter fits my ICP furnace?

The correct replacement for ICP model VNK125N20B1 — Igniter/Sensor Kit | Ships Today is this exact part. It is the factory-specified replacement with exact OEM specifications. Using a part with different specifications can cause equipment damage or void your warranty. You can verify this by checking the data plate on your ICP equipment which lists the model number VNK125N20B1 — Igniter/Sensor Kit | Ships Today.

My furnace will not ignite. What part is bad?

A furnace that will not ignite after the draft inducer runs typically has a failed igniter. The hot surface igniter should glow bright orange within 60 seconds. If it does not glow at all, it is cracked or burned out. If it glows weakly, it is degrading and should be replaced preventively. Average lifespan: 3 to 7 years.

ICP

ICP Hot Surface Igniter for VNK125N20B1 — Igniter/Sensor Kit | Ships Today

Name: ICP Hot Surface Igniter for VNK125N20B1 — Igniter/Sensor Kit | Ships Today
Brand: ICP
SKU: 1009524
Price: 44.20 USD
Availability: InStock

SKU: 1009524 Brand: ICP

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Overview

This is a genuine OEM hot surface igniter and sensor service kit (part number 1009524) for the ICP/Tempstar/Heil VNK125N20B1 gas furnace. The hot surface igniter (HSI) glows red-hot when energized by the control board, lighting the gas at the burners on each call for heat, while the sensing function confirms flame so the gas valve stays open. A cracked, eroded, or contaminated igniter is among the most common causes of a furnace no-heat condition — the burners fail to light or the furnace locks out after repeated failed ignition attempts.

Specifications

Spec	Value
Part Number	1009524
Type	Hot Surface Igniter / Sensor Kit
Brand	ICP (Tempstar / Heil)
Function	Burner Ignition
Fitment	OEM

Compatibility

Designed as the factory replacement igniter/sensor kit for the ICP/Tempstar/Heil VNK125N20B1 gas furnace and related Comfortmaker-family models. Confirm the igniter element shape and mounting bracket match your existing part before installing.

Installation Guide

Safety First — Shut off the gas and disconnect power at the furnace switch and breaker, then verify zero voltage with a multimeter.
Access — Remove the furnace burner-compartment service panel.
Document — Photograph the igniter mounting position and wire routing before disconnecting.
Remove — Unplug the igniter connector and remove the mounting screw(s); handle the old igniter by its ceramic base only. Never touch the new igniter element with bare fingers — skin oils cause premature failure.
Install — Mount the new igniter so the element sits correctly in the burner flame path, then reconnect the wiring per your photo.
Test — Restore gas and power, start a heat cycle, and confirm the igniter glows and the burners light promptly.

Signs You Need a Replacement

Furnace blower runs but burners never ignite
Igniter does not glow on a call for heat
Visible cracks, chips, or white/gray erosion on the element
Furnace locks out after repeated failed ignition attempts

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. Backed by the National HVAC Parts fitment guarantee.

Shipping Information

Orders placed before 3PM CST ship same business day
Standard delivery: 2-5 business days
Express shipping available at checkout
Free shipping on orders over $75
Tracking number emailed upon shipment

Return Policy

30-day returns on unused parts in original packaging
Electrical parts (capacitors, contactors, control boards) are final sale once installed
Email info@nationalhvacparts.com to initiate a return
Refunds processed within 5-7 business days

ICP Hot Surface Igniter for VNK1...

$44.20

Frequently Asked Questions

Does this Igniter fit my ICP VNK125N20B1 — Igniter/Sensor Kit | Ships Today?

Yes. This is the factory-specified OEM igniter for the ICP VNK125N20B1 — Igniter/Sensor Kit | Ships Today. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.

How do I replace the igniter on my ICP VNK125N20B1 — Igniter/Sensor Kit | Ships Today?

Difficulty: Medium (20–30 min)
Step 1: Turn off power and gas. Step 2: Open furnace panel. Step 3: Locate igniter near burners. Step 4: Disconnect two-wire plug. Step 5: Remove mounting screw. Step 6: Install new igniter — do NOT touch element with fingers. Step 7: Reconnect, close panel, restore power/gas.

My furnace won’t ignite. What part is bad?

Furnace won’t ignite after the draft inducer runs = failed igniter. The hot surface igniter should glow bright orange within 60 seconds. No glow = cracked/burned out. Weak glow = degrading. Average lifespan: 3–7 years. Replacement: $15–$40 DIY.

Is this igniter compatible with Bryant or Payne too?

Many ICP parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.

Should I use OEM or aftermarket for my ICP igniter?

OEM recommended for reliability and warranty compatibility. OEM parts match exact factory specifications for proper fit, performance, and safety. While aftermarket alternatives cost less upfront, the risk of improper fit and reduced lifespan usually makes OEM the better value long-term.

How fast does National HVAC Parts ship?

Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.

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