Optimized Performance: Replaces the plunger

this 18-inch burner assembly features a precision-machined #32 orifice

Always verify the fuel type on the equipment rating plate before installation

Is this switch compatible with 80% and 90%+ AFUE furnaces

What is the RPM and voltage rating for this York fan motor

Lochinvar & A.O. Smith 100167764 Control Refrigerant Optimized Performance: Replaces the plungerThe Lochinvar & A. O. Smith 100167764 Integrated Control High Alt is a specialized OEM replacement module designed for high altitude combustion management in gas fired boilers and water heaters. Engineered for precision in low oxygen environments found at elevations between 3,000 and 12,000 feet, this integrated control board automates the de rating process (typically 2% per 1,000 feet) to ensure stable flame sensing and efficient fuel to air ratios.