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it may fit other 42-frame 1/25 HP applications where 115V power and ODP protection are suitable
the 55224 is the main valve only
this unit provides a "drop-in" solution that eliminates the need for field programming or additional wiring harnesses
fitting a wide range of Lennox and Allied Air units
including S1-01504369004 and 668951501
Lochinvar & A.O. Smith 100111317 Pressure Switch 340155-7026 it may fit other 42-frameThe Lochinvar & A. O. Smith 100111317 Pressure Switch is a critical OEM safety component engineered for precise airflow verification in high efficiency water heaters and boilers. This normally open air pressure switch is calibrated to a fixed set point of 0. 20" WC (Water Column), ensuring the combustion blower is generating sufficient negative pressure before the ignition sequence initiates. As a genuine 100111317 replacement part, it provides the
