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The 24VDC isolated coil requires a specific voltage range to pull in the contacts properly
more frequent cleaning is required to prevent flow restriction
System Protection: Critical for horizontal coil drainage
The Reznor 221251 is a critical OEM replacement pressure switch designed for precision airflow monitoring in Reznor HVAC equipment
technicians ensure the longevity of the entire control system while preventing common electrical failures associated with aftermarket alternatives
Lennox 98M85 Ignitor 324846-701 The 24VDC isolated coil requiresThe 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
