CF2500/CF3500 Oil Burner

The CF2500/CF3500 gas burner’s design and technically advanced components meet increasing demand for improved performance in high-efficiency appliances in light commercial/industrial applications

Our CF2500/CF3500 series utilize a proven combustion technology and our chassis coupled with a welded insertion make a perfect match to your application.

  • Linkage less air damper adjustment, utilizing dual nozzles at 250-300 PSI
  • UL/cUL & CSD-1 standard
  • Cast aluminum housing for robust construction and quiet operation
  • Direct spark ignition
  • Power On and Fuel On lights standard
  • Junction box with terminal strip for ease of wiring installation
  • 2HP burner motor
  • 240 V/60 Hz/1 phase standard
  • 208-240-480 V/3 phase available
  • Burner mounted control panels available

Now certified for biodiesel blends up to 20% (D396 for B6-B20) to give consumers reliable performance while reducing the carbon footprint of their heating system.

Operation: Lo/Hi or Lo/Hi/Lo


  • CF2500A 17.00 to 19.9 GPH
  • CF2500 17.00 to 25.0 GPH
  • CF3500 17.00 to 35.0 GPH


  • No. 1 or No. 2 heating oil (ASTM D396)
  • ASTM D396 for B6 – B20 biodiesel blends

CF2500-3500 Burner Manual
CF2500 Spec Sheet
CF3500 Spec Sheet
CF2500/CF3500 Parts List

Commercial Oil Burner Product Sheet
OEM Set-Up Guide Commercial Oil Burners (Interactive)
OEM Set-Up Guide Commercial Oil Burners (PDF)
Commercial Burners Cross-Reference Guide
Damper Actuator Adjustment Instructions
Save Energy and Protect Your Boiler
Commercial Selection Guide
Siemens SQN70 Actuating Damper Motor Adjustment

Panel Product Overview
Panel Product Sheet

Review Frequently Asked Questions and a list of Affected Products.

Please note, all warranty claims must be initiated through an authorized Beckett supplier/distributor. Distribution policies will not allow Beckett to directly handle warranty claims with installers and/or consumers.

Please review the Limited Warranty.
To see if our product is within the warranty period, refer to our guide to identifying manufacturing dates.