What igniter fits my Tempstar furnace?

The correct replacement for Tempstar model T9MPD050F12C1 — HSI Direct-Fit | 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 T9MPD050F12C1 — HSI Direct-Fit | 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 T9MPD050F12C1 — HSI Direct-Fit | Ships Today

Name: Tempstar Hot Surface Igniter for T9MPD050F12C1 — HSI Direct-Fit | Ships Today
Brand: Tempstar
SKU: 1172533-GEN
Price: 38.00 USD
Availability: InStock

SKU: 1172533-GEN Brand: Tempstar

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Overview

This is the genuine OEM hot surface igniter (HSI, part number 1172533) for the Tempstar T9MPD050F12C1 furnace. On a call for heat, the control board energizes the igniter, which glows white-hot to ignite the gas as it flows from the gas valve into the burners. This listing covers the ignition assembly used with the Honeywell VR8205S snap-mount gas valve (companion OEM part 1172821). A failed igniter is one of the most common causes of no-heat calls: the element becomes brittle with thermal cycling and eventually cracks or fails to reach ignition temperature. Typical symptoms include the furnace clicking and trying to start but never lighting, repeated lockouts after several ignition attempts, and a visibly cracked or no-longer-glowing igniter element. Handle the new igniter only by its ceramic base — skin oils on the silicon element shorten its life.

Specifications

Spec	Value
Part Number	1172533 (Igniter HSI)
Companion Part	1172821 (Gas Valve, Snap HW VR8205S)
Type	Hot Surface Igniter
Brand	Tempstar
Fits Model	T9MPD050F12C1

Compatibility

Direct-fit replacement hot surface igniter for the Tempstar T9MPD050F12C1 gas furnace. As an ICP-built platform, the same HSI is shared across many Tempstar, Heil, and Comfortmaker furnaces of this series. Confirm your existing igniter matches OEM 1172533 before ordering.

Installation Guide

Safety First — Disconnect power, verify zero voltage with multimeter.
Access — Remove service panel.
Document — Photo all wires before disconnecting.
Remove — Unplug the igniter connector, remove the mounting screw, and carefully withdraw the old igniter from the burner assembly without forcing the brittle element.
Install — Mount the new igniter handling it only by the ceramic base, secure the screw, and reconnect the harness per your photo.
Test — Restore power, call for heat, and watch the igniter glow and successfully light the burners.

Signs You Need a Replacement

Furnace clicks and attempts ignition but never lights
Igniter no longer glows during a heat call
Visible cracks or breaks in the ceramic/silicon element
Furnace locks out after repeated failed ignition attempts

Shipping & Returns

Ships same day before 3 PM CST. 30-day returns. 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...

$38.00

Frequently Asked Questions

Does this Igniter fit my Tempstar T9MPD050F12C1 — HSI Direct-Fit | Ships Today?

Yes. This is the factory-specified OEM igniter for the Tempstar T9MPD050F12C1 — HSI Direct-Fit | 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 T9MPD050F12C1 — HSI Direct-Fit | 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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