Product Description
The Lennox 21J99 DSI Control Board is an essential electronic component for Lennox heating systems. It oversees ignition sequences, ensuring efficiency and reliability in furnaces and other heating equipment.
- Suitable for multiple Lennox heating units
- Monitors system safety
- Facilitates diagnostics
Product Highlights
This control board optimizes the ignition process, enhancing energy efficiency and safety. It assists in swiftly diagnosing issues, minimizing downtime and maintenance efforts.
Product Information
Standard Information
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Brand: Lennox
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Model: 21J99
Technical Specifications
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Item Number: 21J99
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Brand: Lennox
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Weight: 0.68 lbs
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Dimensions: 7.65 inches x 6.4 inches x 3 inches
