What igniter fits my ICP furnace?

The correct replacement for ICP model RGS121HSBB0AAAA — Igniter + Wiring 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 RGS121HSBB0AAAA — Igniter + Wiring 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 Kit for RGS121HSBB0AAAA — Igniter + Wiring Kit | Ships Today

Name: ICP Hot Surface Igniter Kit for RGS121HSBB0AAAA — Igniter + Wiring Kit | Ships Today
Brand: ICP
SKU: 1171306
Price: 54.60 USD
Availability: InStock

SKU: 1171306 Brand: ICP

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Overview

This is the genuine OEM hot surface igniter (part 1171306) with matching igniter wiring kit (part 1188370) for the ICP / Tempstar / Heil RGS121HSBB0AAAA gas furnace. The hot surface igniter is the component that glows red-hot on a call for heat and lights the burners. Igniters are brittle and have a finite lifespan — they crack, develop hairline fractures, or simply burn out over thousands of cycles. When the igniter fails, the furnace will not light and you get no heat, often with the control board locking out after several failed ignition attempts. The included wiring kit ensures a clean, corrosion-free connection.

Specifications

Spec	Value
Part Numbers	1171306 (igniter), 1188370 (wiring kit)
Type	Hot Surface Igniter
Brand	ICP (Tempstar / Heil)
Fits Model	RGS121HSBB0AAAA
Includes	Igniter and wiring harness kit
Fitment	OEM, direct replacement
Application	Gas furnace burner ignition

Compatibility

Direct-fit for the ICP / Tempstar / Heil RGS121HSBB0AAAA and related furnaces using igniter 1171306. Confirm the OEM part number and connector style on your existing igniter before ordering.

Installation Guide

Safety First — Disconnect power to the furnace. Verify zero voltage with a multimeter.
Access — Remove the burner compartment service panel.
Document — Photograph the igniter position and wiring routing before disconnecting.
Remove — Unplug the igniter harness and remove the mounting screw(s). Handle the old igniter by the ceramic base only.
Install — Mount the new igniter without touching the glow element, then connect the new wiring kit per your photo.
Test — Restore power, call for heat, and confirm the igniter glows and the burners light cleanly.

Signs You Need a Replacement

Furnace will not light and produces no heat
Igniter does not glow on a call for heat
Visible cracks or breaks in the igniter element
Control board lockout 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 Kit for ...

$54.60

Frequently Asked Questions

Does this Igniter fit my ICP RGS121HSBB0AAAA — Igniter + Wiring Kit | Ships Today?

Yes. This is the factory-specified OEM igniter for the ICP RGS121HSBB0AAAA — Igniter + Wiring 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 RGS121HSBB0AAAA — Igniter + Wiring 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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