Supco
Universal Flat Furnace Igniter Kit
Best universal replacement for homeowners repairing gas furnace ignition systems.
The Supco Universal Flat Furnace Igniter Kit, model Ig402K, is engineered to provide reliable and consistent ignition performance for your gas heating system. As a universal replacement part, it ensures efficient operation across a wide range of residential gas furnace models. This kit is built for durability and requires minimal maintenance beyond routine checks. Installation should follow standard procedures, though professional assistance is recommended for those unfamiliar with furnace repairs. It serves as a versatile and essential component for maintaining your home's heating upkeep and performance.
$33.32
Owner Satisfaction
4.5
/ 5
Category Rank
181
/ 675
#181 in Furnace & Boiler Accessories
Price vs Category Average
-83%
Below average
Brand
Supco
/ Supco
Who it's for
- Budget-conscious homeowners avoiding expensive manufacturer-branded parts
- Technicians needing a versatile fix for obscure furnace models
- Installers seeking a complete, ready-to-use mounting solution
Who should skip it
- Users prioritizing maximum longevity over immediate cost savings
- Novice DIYers uncomfortable with wiring or custom bracket fitting
- Careless handlers prone to dropping delicate electronic components
Performance breakdown
Universal Compatibility
Broad design ensures a seamless fit across most residential furnace brands.
Ignition Reliability
Consistent startup performance keeps your heating system running without frequent interruptions.
Installation Complexity
Standardized design simplifies replacement but requires basic technical proficiency for safety.
Component Durability
Robust construction materials withstand the high-heat demands of daily furnace cycles.
Maintenance Requirements
Minimal upkeep needed beyond standard seasonal safety and performance inspections.
Fuel Versatility
Engineered to perform flawlessly with both natural gas and propane systems.
Key Specs
Brand
Supco
Model Number
Ig402K
Accessory Type
Furnace Igniter Kit
Compatible Fuel Types
Natural Gas, Propane
Compatible System Type
Furnace
Return Policy
15 days for defective items
Features
- Provides reliable ignition for gas furnaces
- Universal compatibility across many models
- Designed for efficient heating system operation
- Minimal maintenance required for longevity
- Ensures consistent system startup
- Versatile solution for heating upkeep
What customers say
Customers overwhelmingly praise the Supco igniter kit for its exceptional value and remarkable ease of installation. This product serves as a cost effective replacement for expensive original parts, effectively helping homeowners bypass costly service appointments. The universal design, complete with clear instructions and included adapters, ensures a quick setup even for novice furnace maintenance users. Reliability feedback is consistently positive, positioning this kit as a trusted solution for unexpected heating system problems. Its combination of affordability and straightforward application makes it a highly recommended choice.
Know before you buy
The Ig402K is a universal flat igniter designed to replace many standard hot surface igniters. You should verify your current igniter's physical dimensions and electrical connector type against your furnace manual or the existing part to ensure a proper fit.
Yes, the Supco Ig402K is fully compatible with both natural gas and propane-fueled residential furnaces.
While the installation process is straightforward for those experienced with HVAC repairs, it involves working with electrical components and gas systems. If you are not comfortable or familiar with furnace maintenance, we strongly recommend hiring a licensed professional to ensure safety and correct operation.
This igniter is designed for longevity and requires no active maintenance. We recommend performing a routine visual inspection of the igniter during your annual furnace tune-up to check for any signs of physical damage or buildup.
Supco offers a 15-day return policy specifically for defective items. If you suspect the unit is faulty, ensure it was installed correctly and then contact the retailer to initiate a return or exchange.
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