Universal Application: Compatible with any HVAC system requiring a reliable mechanical temperature control with an SPST contact

it is engineered for drop-in compatibility with various Carrier

Whether you are performing a routine rebuild or a mid-season repair

The "LF" prefix indicates lead-free construction

Robust Overpressure Protection: Rated for up to 10 PSI overpressure

Lochinvar & A.O. Smith 100187931 Burner Assembly 319852-301 Universal Application: Compatible with anyThe Lochinvar & A. O. Smith 100187931 Burner Assembly is a critical OEM replacement part for natural gas commercial and residential water heaters. This 16 inch burner assembly is precision engineered for specific natural gas (NG) configurations, utilizing a #34 orifice to regulate gas flow and ensure proper combustion within the burner chamber. Maintaining the integrity of the heat exchanger requires a clean, consistent flame pattern, which this