replacing a clogged or worn pilot assembly often restores reliable operation

engineered to regulate the primary air-to-fuel ratio within the burner assembly

Check for soot buildup or a cracked porcelain insulator

streamlining the swap-out process for existing Functional Devices installations

Slant Fin 440-856-000 Pressure Switch replacing a clogged or wornThe 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