also known as the W-48-HH drier core

Check for soot buildup or a cracked porcelain insulator

This gasket is compatible with specific Lochinvar Knight models

Durable Construction: Built with a moisture-proof

Slant Fin 440-856-000 Pressure Switch also known as the W-48-HHThe 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