What does the steady LED light indicate on the Fenwal 35-60 series

Key Benefits: Ensures a gas-tight seal for the pilot burner assembly to prevent carbon monoxide leakage and optimize combustion

With a maximum temperature rating of 250°F

it features a 1-3/4" suction and 1-1/4" discharge connection with brazed stub tubes for secure refrigeration line integration

reducing unnecessary service calls for simple transient over-temp events

Lochinvar & A.O. Smith 100208561 Flue Sensor 321142-301 What does the steady LEDThe 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