Always verify full-load amperage (FLA) ratings before swapping

This OEM Trane replacement part features Class H insulation and a rugged foot-mount design

Does this drier replace the York S1-400001

This kit is designed as a direct replacement component

Lochinvar & A.O. Smith 100271883 Pressure Switch 321894-708 Always verify full-load amperage (FLA)Maintain peak combustion safety with the Lochinvar & A. O. Smith 100271883 Pressure Switch, a critical OEM component designed for low gas pressure monitoring. As a veteran grade K low gas pressure switch, this device acts as an essential safety interlock, continuously sensing the inlet gas supply to ensure it meets the minimum operational threshold of approximately 3. 1" W. C. If the supply pressure drops below the setpoint, the internal contacts