L.B. White 574239 Air Pressure Switch with Bracket
The L.B. White 574239 Air Pressure Switch with Bracket is a reliable replacement part designed for use with L.B. White Premier 40, 80, and 170 heaters, as well as the Guardian 2.0 series. This switch ensures safe and efficient heater operation by detecting proper air pressure within the system.
With a pressure rating of 0.12 ± 0.03" W.C., it helps protect your heater from unsafe conditions by confirming that airflow is within the correct range before ignition. The included mounting bracket makes installation straightforward.
Note: Always check your heater’s owner’s manual to verify compatibility with your specific model and year.
