Lochinvar & A.O. Smith 100288430 Switch L99H008 Before swapping the board

Before swapping the board

this component preserves the original efficiency ratings of the equipment

Precise Electrical Connection: Includes a factory-installed electrical connector to maintain the integrity of the ignition circuit and prevent voltage drops

5-liter tool designed for heavy-duty HVAC and commercial maintenance

Can I use this for a 2-speed furnace application

Lochinvar & A.O. Smith 100288430 Switch L99H008 Before swapping the boardThe Lochinvar & A. O. Smith 100288430 Low Air Pressure Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a veteran technician knows, this normally open switch is calibrated to a precise 0. 75" water column (W. C.) set point. It serves as the primary "proof of airflow" for the inducer motor, ensuring that the combustion blower is creating sufficient negative pressure to safely evacuate flue