Slant Fin 440-856-000 Pressure Switch these parts are technically identical

these parts are technically identical

or if it trips the overload protector immediately upon startup

including units from York

This HVAC safety switch utilizes a SPST (Single Pole Single Throw) configuration to interrupt the 120V circuit

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

Slant Fin 440-856-000 Pressure Switch these parts are technically identicalThe 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