Lochinvar & A.O. Smith 100112342 Burner Assembly 320788-704 While some residential boards are

While some residential boards are cross-compatible

Precise Pressure Management: Factory-set at 100 PSI to prevent structural damage to tankless units and storage vessels

Critical for maintaining the operational safety and efficiency of your heating equipment

For technicians troubleshooting a "limit open" fault code

Is a manometer required for installation

Lochinvar & A.O. Smith 100112342 Burner Assembly 320788-704 While some residential boards areThe Lochinvar & A. O. Smith 100112342 Burner Assembly is a direct OEM replacement burner engineered for precision combustion in industrial and commercial natural gas water heaters and boilers. This 16 inch assembly includes a factory installed #37 orifice, specifically calibrated for natural gas applications to ensure optimal fuel to air ratios and stable flame patterns. As the official updated version for 9007899005, this component addresses flame