With a versatile operating range of 100°F to 200°F (38°C to 93°C)

ensuring physical compatibility with existing mounting points on oil burner assemblies

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but the included reducer bushing kit allows for quick conversion to 1/2" piping

Sterling HVAC 11J38R03421002 Pilot Assembly 322838-753 With a versatile operating rangeIf you are servicing Sterling HVAC unit heaters and dealing with ignition failure on a propane fired system, the Sterling HVAC 11J38R03421002 LP Pilot Assembly is the exact OEM ignition component required for a field ready repair. This liquid propane pilot burner assembly is specifically engineered for high performance compatibility with Sterling SF 30 75 MBH, TF 100 400 MBH, and TF RF 30 90 MBH models. Designed for the ignition and operation of gas