Trane FLRQB5FR21M11 Filter 326058-756 Ensure all dip switches on

Ensure all dip switches on the furnace control board are set according to the original manufacturer’s blower tables

Normally open fail-safe position (Push-Down-to-Close) maintains flow during power or signal loss

it features a standard 48-frame diameter and a reliable 1/2-inch shaft

making it a reliable physical and electrical cross-reference for the Siemens/Furnas 42CF35AJ

Trane FLRQB5FR21M11 Filter 326058-756 Ensure all dip switches onProfessional grade Trane FLRQB5FR21M11 QuikBox media filters are engineered for high capacity performance in TFM210B0FR0 and Perfect Fit filter cabinets. These genuine OEM replacements utilize a synthetic fiber media that achieves a MERV 11 efficiency rating, effectively capturing up to 85% of airborne particulates including dust, lint, and common allergens. Designed with a 4. 7 inch depth to provide superior dust holding capacity compared to standard