The 27J07 is primary rated for vertical mounting positions

Smith 100111979

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

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

Laars Heating Systems RA2107500 Blower Assembly 319825-402 The 27J07 is primary ratedMaintain 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