or RV series actuators

protecting sensitive components like expansion valves and capillary tubes from clogging

whereas a safety valve is typically a "pop-action" device used for compressible fluids like steam or air

and FBL series

providing a seamless slide-in installation for service calls and preventative maintenance

Lochinvar & A.O. Smith 100135309 Burner 319848-301 or RV series actuatorsThe Lochinvar & A. O. Smith 100135309 Burner is a critical combustion component designed for high efficiency hydronic systems. This OEM replacement burner is engineered specifically for use in Knight (KBN AWN WB) and Armor Shield (SNR) boiler and water heater models, including the 200 and 210 series. As a radial fire burner, it facilitates a precise fuel to air mixture for clean, stable combustion across varying firing rates. Integrating a 100135309