Lochinvar & A.O. Smith 100233338 Burner 318973-401 Reinforced with an integrated spring

Reinforced with an integrated spring to ensure reliable airflow and prevent signal-dampening kinks

This comprehensive kit is specifically designed to facilitate the conversion or maintenance of Electronic Expansion Valve (EXV) systems

Its aerodynamic blade profile is calculated to minimize vibration-induced noise and reduce the amperage draw on the blower motor

Designed for durability and reliable overpressure protection

The vent port allows for the connection of a vent line to a safe outdoor location or the installation of a vent limiter

Lochinvar & A.O. Smith 100233338 Burner 318973-401 Reinforced with an integrated springThe Lochinvar & A. O. Smith 100233338 Burner is a critical combustion component engineered for high efficiency gas fired boilers and water heaters. As a direct OEM replacement burner for the obsolete Lochinvar BNR2902, this part is designed to maintain precise atmospheric or pre mix combustion across various residential and commercial heating systems. Constructed from premium grade materials to withstand high thermal stress, it ensures stable flame