Fuel Oil Controllers & Oil Nozzles

Fuel Oil Controllers

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Fuel Oil Controllers

Our precision-machined fuel oil parts deliver optimal fluid dynamics for high-performance, efficient boiler combustion.

*These fuel oil controllers are compatible with Cleaver Brooks boilers.

Part # | Diameter | Model | HP Range

Show more
  • 880-00902
    CB
    50-60 HP
  • 880-00903
    CB
    70-80 HP

In-stock items. Order by 2:00 PM EST for Same-Day Shipping and minimal equipment downtime.

*Halmar Corporation offers many Cleaver-Brooks aftermarket parts. Halmar Corporation is not a factory authorized sales representative for Cleaver-Brooks, nor is Halmar Corporation affiliated with Cleaver-Brooks in any way. Cleaver-Brooks is a registered trademark of Cleaver-Brooks, Inc., Thomasville, GA.

Some aftermarket parts may be made by other manufacturers.

Order now (502) 459-9131 Get a Quote

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Frequently Asked Questions About Fuel Oil Controllers

A fuel oil controller (or fuel management system) is an advanced microprocessing unit engineered to monitor and regulate the delivery of liquid fuel to an industrial burner. Its primary function is to optimize the automation link between fuel delivery and combustion air. By adjusting fuel oil control valves, managing pre-heating loops for heavier oil grades, and continuously communicating with safety flame safeguards, the controller ensures clean ignition, precise temperature stability, and a balanced fuel-air ratio across shifting boiler loads.

Because fuel oil delivery networks manage pressurized fluids and are subject to continuous mechanical wear and heavy cycling, keeping components clean is vital. Key diagnostic indicators that your fuel oil parts need immediate service include unexpected pressure drops across the line, visible soot or carbon buildup on the burner diffusers due to poor atomization, or a drift in the automated valve linkages. If these warnings are ignored, they can lead to pooling oil, severe flame impingement against internal furnace walls, and expensive emergency shutdowns. Replacing worn elements with high-grade aftermarket boiler parts preserves the safety boundaries of your facility.

Liquid fuel oil—particularly heavier variations like No. 6 fuel oil—requires precise thermal management to maintain the proper viscosity needed for optimal atomization. If the oil temperature drops below the engineered threshold, the fluid thickens, causing sluggish flow, irregular line pressure, and poor core mixing at the burner head. This breakdown in fluid dynamics results in unburned fuel waste, elevated emissions, and heavy fireside soot deposits. High-performance fuel oil parts and integrated controllers help facilities govern pre-heating sequences tightly to maintain peak combustion efficiency.

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