Lennox 70W16 Hot Surface Igniter – OEM Replacement Ignitor for Gas Furnaces
The Lennox 70W16 Hot Surface Igniter is an original equipment ignitor designed to deliver reliable, energy-efficient ignition in compatible Lennox gas furnaces. Made from durable silicon carbide, this component heats up rapidly to ignite the gas burners directly—eliminating the need for a pilot light and helping ensure fast startup every heating cycle.
If your furnace is failing to ignite or showing ignition-related error codes, replacing the ignitor with the 70W16 can restore full functionality and prevent costly service calls. It’s built to Lennox OEM standards and includes a factory-style plug connector for a quick and secure installation.
Key Features:
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Genuine OEM Lennox hot surface igniter
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Direct ignition for modern, pilotless furnace systems
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Built from high-temperature silicon carbide
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Fast response time for reliable burner ignition
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Easy plug-in connection for a secure and fast install
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Helps resolve ignition lockouts and startup failures
Alternate / Replacement Part Numbers:
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LB-112237B
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100536-03
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LXT-03
Designed to meet or exceed factory specs, the Lennox 70W16 ignitor is your go-to replacement for restoring dependable heat in your home.
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