What igniter fits my Tempstar furnace?

The correct replacement for Tempstar model T8MPL100F20A1 — Silicon Nitride | 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 Tempstar equipment which lists the model number T8MPL100F20A1 — Silicon Nitride | 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.

Is this igniter compatible with Bryant or Payne systems too?

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

Tempstar

Tempstar Hot Surface Igniter for T8MPL100F20A1 — Silicon Nitride | Ships Today

Name: Tempstar Hot Surface Igniter for T8MPL100F20A1 — Silicon Nitride | Ships Today
Brand: Tempstar
SKU: 1009524-GEN
Price: 42.95 USD
Availability: InStock

SKU: 1009524-GEN Brand: Tempstar

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Overview

This genuine OEM hot surface igniter (OEM Part #1009524, IGNITOR/SENSOR HSP SK) lights the burners on the Tempstar T8MPL100F20A1 gas furnace. When the control board calls for heat, the igniter glows white-hot to ignite the gas at the burner. The SK-style silicon-nitride element is more durable and shock-resistant than older silicon-carbide igniters. A failed igniter is the single most common no-heat furnace failure: the inducer runs and the gas valve tries to open, but the burners never light and the furnace locks out.

Specifications

Spec	Value
Part Number	1009524
Type	Hot Surface Igniter (HSI)
Element	Silicon Nitride (SK series)
Brand	Tempstar (ICP / Heil)
Function	Ignition / Sensor
Fit	OEM Replacement

Compatibility

Built for the Tempstar T8MPL100F20A1 furnace and shared across ICP/Heil/Comfortmaker models using the SK silicon-nitride hot surface igniter. Confirm the igniter mounting bracket and plug match your existing unit.

Installation Guide

Safety First — Disconnect power at the service switch and verify zero voltage with a multimeter.
Access — Remove the furnace burner-compartment service panel.
Document — Photograph the igniter position and wiring harness before removal.
Remove — Unplug the igniter connector and remove the mounting screw; handle the new element only by the ceramic base, never the brittle tip.
Install — Mount the new igniter at the original depth and angle, then reconnect the harness.
Test — Restore power, start a heat cycle, and confirm the igniter glows and the burners light within seconds.

Signs You Need a Replacement

No heat — igniter never glows on a call for heat
Visible cracks or a broken element
Furnace locks out after several failed ignition attempts
Igniter glows weakly or burners fail to light

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

Tempstar Hot Surface Igniter for...

$42.95

Frequently Asked Questions

Does this Igniter fit my Tempstar T8MPL100F20A1 — Silicon Nitride | Ships Today?

Yes. This is the factory-specified OEM igniter for the Tempstar T8MPL100F20A1 — Silicon Nitride | 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 Tempstar T8MPL100F20A1 — Silicon Nitride | 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 Tempstar 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 Tempstar 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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