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If the seat is removable
5-liter tool designed for heavy-duty HVAC and commercial maintenance
Before swapping the board
this component preserves the original efficiency ratings of the equipment
This performance-grade spring is specifically engineered to maintain precise outlet pressure control in high-demand residential and commercial environments
Lochinvar & A.O. Smith 100288430 Switch L99H008 If the seat is removableThe 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
US$ 914.50
US$ 559.50
US$ 29.99