it is the standard specification for Maxitrol RV91

If you notice the furnace is short-cycling or the blower fan runs continuously while the burner remains off

When should I replace my Taylor scraper blades

check for electrical continuity across the terminals

BASO K19AT-30 Thermocouple it is the standard specificationThe BASO K19AT 30 Thermocouple is a professional grade Super Slim Jim universal replacement designed for high reliability performance in standing pilot ignition systems. Built for the rigors of field service, this 30 inch coaxial thermocouple features a robust construction capable of operating in extreme environments with a maximum hot junction temperature rating of 1300F (704C). This makes it an ideal solution for consistent flame sensing in