Lochinvar & A.O. Smith 100167807 Board 30067439-890 which may cause gas line

which may cause gas line stress or burner lockout

This HVAC high-limit sensor is a direct replacement for units requiring a 60T81 size configuration to maintain safe operating parameters and prevent system overheating

failure to open

they often require jumper reconfigurations and may not support specific staged heating or cooling functions native to this York logic board

Lochinvar & A.O. Smith 100167807 Board 30067439-890 which may cause gas lineThe 100167807 Integrated Control Board functions as the primary logic controller for specific A. O. Smith and Lochinvar high efficiency water heating systems. Engineered to manage critical functions including ignition sequencing, temperature regulation, and safety safety monitoring, this OEM replacement board ensures precise modulation and peak thermal efficiency. It replaces legacy part numbers 100167808 and 9008272005. Designed for the rigorous