The H91 series should be mounted according to manufacturer specifications

Precise Flame Pattern: Engineered for stable flame-to-sensor contact to ensure consistent flame rectification

allowing for auxiliary equipment interlocking or providing positive proof of closure to the zoning control panel

and 322848-000

This OEM replacement bearing replaces legacy part numbers including KT63CZ112

Carrier 338096-706 Limit Switch Assembly 320074-702 The H91 series should beAs a field technician, you understand that a tripped Carrier 338096 706 Main Limit Switch Assembly is more than just a nuisanceit is a critical safety deployment. This genuine OEM replacement part is engineered specifically for Carrier, Bryant, and Payne gas furnaces, functioning as the primary high temperature safety control. With an L205 20F temperature rating, this switch opens the electrical circuit when the internal plenum temperature reaches