Clean Energy Maintenance Kit: 50372 & 70372

Service kit for Clean Energy waste oil furnaces featuring all components needed for system maintenance. Supports CE-140, CE-180, CE-250, CE-330, CE-340, and CE-440 models with included nozzle, electrode, regulator assembly with base o-ring, dual solenoid plungers, and solenoid o-rings. Nozzle compatibility varies: 9-5 fits 140/180/250 units, 330/340 accepts 9-5 or 9-8 (potential air adjustment needed), and 440 requires 9-8 exclusively. Specify your model's nozzle size at purchase for proper installation and performance.