Lochinvar & A.O. Smith 100208561 Flue Sensor 321042-401 Key Benefits Precise Actuator Response:

Key Benefits Precise Actuator Response: Integrates a positive positioning relay to ensure exact 3/4-inch travel for superior flow modulation

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

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

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

This HVAC suction filter incorporates a dual access valve configuration

Lochinvar & A.O. Smith 100208561 Flue Sensor 321042-401 Key Benefits Precise Actuator Response:The 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