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What is the primary indicator of a faulty economizer board
50" WC set point ensures the unit heater operates within the manufacturer's exact safety tolerances
maintaining the same 48-frame mounting and 1/5 HP specifications
For steam or high-temp applications
this model integrates seamlessly with existing control loops
Lennox 98M85 Ignitor 318423-701 What is the primary indicatorThe Lennox 98M85 Ignitor (also identified by part number 100220 01) is an OEM silicon nitride hot surface ignitor designed for high performance gas furnace applications. Engineered specifically for Lennox, Armstrong, and Ducane heating systems, this replacement furnace ignitor produces a precise, high temperature spark to ensure consistent fuel ignition and reliable startup cycles. Unlike standard glass or silicon carbide alternatives, the 98M85
US$ 115.00
US$ 105.00
US$ 105.00
US$ 21.00
US$ 170.00
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