Durable Construction: Built with a moisture-proof

54" WC trip point

streamlining the swap-out process for existing Functional Devices installations

Check for soot buildup or a cracked porcelain insulator

The York S1-024-21678-700 is an OEM 24V SPDT Relay designed for heavy-duty switching in residential and commercial HVAC control systems

Slant Fin 440-856-000 Pressure Switch Durable Construction: Built with aThe 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