maintaining the original engineering intent of the unit

Can I upgrade this to an automatic drain

Fan Control Logic: Includes a Fan-On-In-Heat (FIH) jumper

This component is a direct OEM replacement for Rheem/Ruud 47-21711-19 and various Therm-O-Disc 36T series models

it might not be reaching the required temperature

Lochinvar & A.O. Smith 100288663 Insulation 322056-301 maintaining the original engineering intentThe Lochinvar & A. O. Smith 100288663 Burner Plate Insulation Door is a critical thermal barrier designed for high efficiency gas fired boilers and water heaters. Engineered from high density ceramic fiber insulation, this OEM component sits behind the burner mounting plate to contain combustion heat within the chamber. By preventing radiant heat transfer to the exterior cabinet, the 100288663 insulation maintains peak thermal efficiency and protects