Slant Fin 440-856-000 Pressure Switch Common failure points include low

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

designed for immediate installation using the existing mounting points in the burner vestibule

and industrial HVAC environments requiring a resilient industrial sealing component

This is an SPST (Single Pole Single Throw) switch with a Normally Open (NO) contact function that closes on rising pressure

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

Slant Fin 440-856-000 Pressure Switch Common failure points include lowThe 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