De Dietrich 88017017 thermocouple AD199

De Dietrich Thermocouple AD199 (Part No. 88017017) This is a genuine De Dietrich flame detection thermocouple—model AD199 (88017017)—designed to reliably monitor flame presence in gas boilers. Its compatibility and durable design make installation and maintenance seamless. Key Benefits: Brand-authorized part — ensures precision fit and longevity, Provides safe flame monitoring, preventing burner operation in the absence of a flame, Compact, robust construction — withstands high thermal and operational stresses.