Burnham Commercial 4S-500 4 Pass Waterback Scotch Boiler

• Make: Burnham Commercial
• Model code: 4S-500
• Series: Series 4S
• Air or Water Supply: Water
• Height: 121 inches

Forced-Draft Firing With Oil, Gas or Combination Gas/Oil Low- or High- Pressure Steam or Water High Efficiency 4-Pass Design Completely Packaged For “Same-Day” Installation Heavy Steel Base Provides Adequate Stability Along with Shipping and Rigging Protection Front and Rear Full-Sized Hinged Access Doors Are Standard and Secured with Non-Corrosive Brass Nuts Access Door is Constructed of Durable, Lightweight Vacuum Formed Ceramic Fiber Making the Door Liner Weigh Less Than 5 Pounds Handhole Clean-Outs Are Placed for Ease of Servicing UL Approved Packaged Burners Are Trimmed and Wired to Assembled Gas Trains 5 sq.ft./hp Rated Design, No Turbulators or Welded Tube-Ends 4 Pass Wetback Scotch Boiler—to Learn More About Wetback Versus Dryback, Refer to Our Wetback Literature Multitude of QC Checkpoints and Stringent Final Inspection Assures You of a Quality Product No Proprietary Parts or Gaskets on the Boiler Trim or the Burner Designed for Low Volumetric Release Rates of No More Than 130,000 btu/hr/cu.ft. Fiberglass Insulated Aluminized Steel Jacket Is Finish Painted with High Gloss Burnham Blue Enamel All External Trim Piping is Designed and Installed In Accordance with the ASME Code and Certified by an Independent Inspection Agency for Compliance