Lochinvar & A.O. Smith 100187869 Gasket 326058-757 Techs should note the 100166434

Techs should note the 100166434 is designed for closed-loop hydronic heating and is not suitable for open-potable water systems

and UBZ series units (specifically 30-45K BTU models)

Precise Airflow Regulation: Optimizes blower timing to enhance indoor air quality and temperature consistency

How do I toggle the display between Fahrenheit and Celsius

Lochinvar & A.O. Smith 100187869 Gasket 326058-757 Techs should note the 100166434The Lochinvar & A. O. Smith 100187869 Gasket is a critical OEM replacement part designed to ensure a high temperature seal between the burner plate and the combustion chamber. In the field, an interface failure at the burner plate gasket can lead to dangerous gas leakage, compromised combustion cycles, and reduced thermal efficiency. This genuine 100187869 burner gasket is engineered to withstand the intense thermal cycling and pressure typical of