Emerson Alco 043330 Filter Drier 321702-401 85" WC Calibration: Ensures accurate

85" WC Calibration: Ensures accurate sensing of the critical pressure differential required for safe burner ignition

Key Benefits: OEM Compatibility: Precision-engineered as a direct replacement part for AAON HVAC units

In a hydronic heating system

but you must never use one with a lower voltage rating than the original specification

Industrial Durability: The rugged aluminum construction and high surge rating (up to 10 PSI) provide long-term reliability in harsh mechanical rooms

Emerson Alco 043330 Filter Drier 321702-401 85" WC Calibration: Ensures accurateThe Emerson Alco 043330 (Model BFK 163) is a high capacity bi directional liquid line filter drier engineered specifically for heat pump applications and reversible refrigeration cycles. Featuring a 16 cubic inch desiccant volume and 3 8" flare connections, this unit provides critical system protection by utilizing a solid core blend of molecular sieve and activated alumina to sequester moisture, acid, and solid contaminants. Rated for a 680 PSI