internal pitting or oxidation often requires a full assembly replacement to restore a stable flame pattern

Adjust the wheel on the shaft to ensure even spacing from both sides of the housing before tightening the set screw to the required torque

By replacing the stock spring with this technical-grade gas pressure regulator spring

or 90 minutes) based on regional humidity and job site requirements

use in other brands is not recommended and may result in electrical failure

Laars Heating Systems RA2107500 Blower Assembly 319825-402 internal pitting or oxidation oftenMaintain peak combustion efficiency with the Laars Heating Systems RA2107500 Blower Assembly, a critical OEM component engineered for precision airflow management. Specifically designed for compatibility with Laars Mascot and Baxi Luna series units, including the NTH 150, this assembly ensures the required stoichiometric ratio for safe and stable burner operation. As a direct drive combustion air blower, the RA2107500 features a high performance