Crown 25226 Flame Sensor For Use With M. Honeywell Q179 Series Pilot Assemblies Replaces Honeywell 133448A (I Port Flame Rod & Insulator For Q179A, B), Westwood E5-409F, 409F Important Note: There Are Many Different Q179 Pilot Assemblies. Please Verify This Is The Correct Part By Using The Picture With Measurements.