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Rosewood paper grain — description and returns beneath the overlapping buy card.
or an "Open Ignitor" fault code on the integrated furnace control board
As a Maneurop MT series motor
25mm thread pattern
Compatibility depends on the specific Infinity User Interface model
Contractors favor this technical specification for its ANSI Class IV leakage rating
Lennox 12W49 Pressure Switch 321702-401 or an "Open Ignitor" faultThe Lennox 12W49 Pressure Switch (Model R20558702) is a critical OEM safety component engineered for precise combustion air monitoring in Lennox gas furnaces. This SPST pressure switch is factory calibrated to actuate at 1. 35" W. C., ensuring the inducer motor generates sufficient draft for safe venting before the ignition sequence begins. Designed for professional grade reliability, it features a standardized 1 4" barb connection for secure