Slant Fin 440-856-000 Pressure Switch Enhanced Combustion: Supports ideal air-to-fuel

Enhanced Combustion: Supports ideal air-to-fuel ratios

preventing electromagnetic interference from disrupting the furnace's digital control logic

Common failure points include low voltage from a failing transformer (chatter)

ensuring you don

including units from York

Slant Fin 440-856-000 Pressure Switch Enhanced Combustion: Supports ideal air-to-fuelThe Slant Fin 440 856 000 Pressure Switch is a critical safety component engineered specifically for high efficiency draft inducer monitoring. This OEM Slant Fin replacement part is calibrated to a fixed . 90" WC pressure setting, providing precise differential air pressure detection to ensure the combustion blower is moving sufficient air for safe burner operation. Designed for compatibility with the Slant Fin Victory II series, including models VHS