Description
The AAON P79990 is a genuine OEM Direct Spark Ignition (DSI) module engineered as a direct replacement for AAON commercial HVAC equipment. Designed to deliver consistent, dependable burner ignition, this module helps maintain peak heating performance and minimizes costly downtime in demanding commercial and industrial applications.
Product Overview
Direct Spark Ignition modules control the ignition sequence for gas-fired heating systems by generating a high-voltage spark directly at the burner, eliminating the need for a standing pilot. This results in improved energy efficiency, faster ignition response, and enhanced safety through continuous flame monitoring and automatic lockout on ignition failure.
Key Features
- Genuine AAON OEM replacement part — ensures compatibility and performance
- Direct spark ignition design eliminates standing pilot for improved efficiency
- Automatic safety lockout on ignition failure for added protection
- Engineered for reliable operation in commercial HVAC applications
- Drop-in replacement for simplified installation and reduced labor time
Applications
- AAON commercial rooftop units and air handling equipment
- Gas-fired heating systems requiring DSI control
- Commercial and light industrial HVAC installations
Why Choose Genuine AAON OEM Parts?
Using genuine AAON replacement components ensures your equipment operates within factory specifications, preserves warranty coverage, and reduces the risk of premature failure associated with aftermarket substitutes. Always verify compatibility with your specific AAON unit model before installation.







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