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

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.