Lochinvar & A.O. Smith 100208561 Flue Sensor 321042-401 This specific model is a

This specific model is a direct OEM replacement for legacy part numbers

Featuring a 30 cubic inch desiccant core

the G-6-SS is a non-Teflon ground probe

preventing valve chatter and ensuring responsive performance under high-duty cycles

this tool can be used with a USB-to-RS232 adapter

Lochinvar & A.O. Smith 100208561 Flue Sensor 321042-401 This specific model is aThe Lochinvar & A. O. Smith 100208561 Flue Sensor is a critical high temperature monitoring component engineered for precision in FTXL FTX 400 850(N L) heating boilers and Aquas AP400 850 commercial pool package heaters. As a direct replacement for TST20026K and 100170554, this updated flue temperature sensor provides real time thermal feedback to the control board to verify safe combustion levels and prevent exhaust system overheating. For a