ICP Hot Surface Igniter Kit for RGS121SRCA0AAA — 120V with Wiring Harness | Ships Today
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Overview
This OEM hot surface igniter kit is the direct-fire ignition source for the ICP / Tempstar / Heil RGS121SRCA0AAA gas furnace. The kit includes igniter part number 1171306 and the matching wiring kit 1188370, so you get both the silicon-nitride/carbide element and the harness needed to land it cleanly on the furnace control board. When the thermostat calls for heat, the control board energizes the igniter; it glows white-hot and lights the gas at the burner. A cracked, eroded, or carbon-fouled igniter is the single most common cause of furnace no-heat lockouts. Replacing it with the correct OEM part restores reliable, fast ignition and avoids the repeated short-cycling that wears out the gas valve and pressure switch.
Specifications
| Spec | Value |
|---|---|
| Part Numbers | 1171306 (Igniter), 1188370 (Wiring Kit) |
| Type | Hot Surface Igniter Kit |
| Brand | ICP / Tempstar / Heil |
| Voltage | 120V |
| Application | Gas Furnace Ignition |
| Fitment | RGS121SRCA0AAA |
Compatibility
Engineered for the ICP / Tempstar / Heil RGS121SRCA0AAA gas furnace and the closely related RGS121 series sharing the same ignition assembly. Always confirm the OEM number stamped on your existing igniter and harness before ordering.
Installation Guide
- Safety First — Shut off the gas and disconnect electrical power at the furnace switch and breaker. Verify zero voltage with a multimeter.
- Access — Remove the furnace burner-compartment service panel.
- Document — Photograph the igniter mounting and the wiring harness routing before disconnecting anything.
- Remove — Unplug the igniter harness from the control board, remove the igniter mounting screw, and lift out the old igniter. Handle only by the ceramic base — never touch the element.
- Install — Seat the new igniter so the element sits in the burner flame path, secure the screw, and route the new wiring kit back to the board per your photo.
- Test — Restore gas and power, call for heat, and confirm the igniter glows and lights the burners within the normal ignition window.
Signs You Need a Replacement
- Furnace blower runs but no flame — repeated no-heat lockouts.
- Igniter shows visible cracks, hot spots, or white powdery erosion.
- No glow at the igniter during a heat call.
- Furnace short-cycles or trips after several 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