Armstrong Furnace RPF20322U Oil Pump

The Armstrong Furnace RPF20322U Oil Pump is a critical combustion component engineered for high-pressure fuel delivery in residential and light commercial oil-fired heating systems. This single-stage fuel unit is designed to provide consistent nozzle pressure, ensuring optimal atomization and efficient burner operation. The RPF20322U serves as the direct replacement for R2184405U, maintaining the exact mounting footprint and port configurations required for a seamless field retrofit. Built for HVAC oil burner service, this pump features a robust internal gear set and precise pressure regulation, typically factory-set but adjustable to meet specific firing rate requirements. As a reliable aftermarket oil pump, it minimizes mechanical pump noise and vibration while sustaining flow rates even under varying fuel viscosities. For technicians performing oil furnace repair, this unit ensures a drop-in fit for Armstrong and Ducane equipment, reducing downtime during emergency service calls.

Key Benefits for Technicians

• OEM Compatibility: Exact replacement for the discontinued R2184405U model, ensuring port alignment and bolt-on installation.
• High-Pressure Stability: Engineered to maintain a steady PSI output for clean combustion and reduced soot buildup.
• Durable Construction: Heavy-duty housing designed to withstand the thermal stress of continuous oil furnace operation.
• Integrated Strainer: Features a high-capacity internal filter to protect the nozzle from contaminants in the fuel line.

Common Questions

Is the RPF20322U a direct replacement for the R2184405U?
Yes, it is the manufacturer-authorized replacement, matching all technical specifications and physical dimensions.

Can this pump be used in a two-pipe system?
This unit is typically configured for one-pipe operation but can be converted for two-pipe systems by installing the appropriate bypass plug (not included).

Does this unit include the mounting gasket?
Most RPF20322U service kits include the essential mounting gasket; however, it is recommended to verify the condition of the fuel line flares during installation.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.