Lochinvar & A.O. Smith 100173799 Door Kit 319847-401 making it ideal for exposed

making it ideal for exposed outdoor locations

also identified as the X9117B6B

Featuring a 1-inch NPT connection and a robust 8

The wetted parts are silicone and the internal sensor is not compatible with liquids

Simplified Sizing: Comparable Cv values to globe valves allow for easier selection without extensive pipe reductions

Lochinvar & A.O. Smith 100173799 Door Kit 319847-401 making it ideal for exposedThe Lochinvar & A. O. Smith 100173799 Door Kit is a field critical heat exchanger access door kit designed for high efficiency hydronic boilers and volume water heaters. This OEM assembly, which is functionally identical to WTR3086, serves as the primary seal for the combustion chamber, ensuring proper pressure vessel integrity and thermal containment. When performing a Lochinvar heat exchanger cleaning, replacing the door kit is essential to restore