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The Reznor 221251 is a critical OEM replacement pressure switch designed for precision airflow monitoring in Reznor HVAC equipment
this kit streamlines the fuel conversion process by providing Genuine Weil McLain parts that meet precise 120/24V control interface requirements without compromising the cast iron boiler's lifecycle
What does 'Normally Open' (N/O) mean for this valve
With 1" NPT connections and 1 HP rated relays for both burner and pump circuits
Lennox 98M85 Ignitor 324846-701 The Reznor 221251 is aThe 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
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