Wide Temperature Range: Covers -35°F to 95°F for multi-application flexibility from freezers to space heating

Is the HH22HB077 an automatic or manual reset switch

and VB-131 models

we recommend verifying the compressor cross-reference to ensure appropriate pick-up and drop-out current values

Lochinvar & A.O. Smith 100173799 Door Kit 319847-401 Wide Temperature Range: Covers -35°FThe 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