Series 300

Three Pass Dry Back Packaged Scotch Boilers

Three-pass dry back scotch marine boiler. Rear smoke box includes slip-on stack connector and features hinged and davited rear doors.

Available in Steam or Hot Water Versions 15 - 800 Bhp Pressures to 300 psig

  • Three-pass design.
  • 81% minimum efficiency.
  • Davited rear doors.
  • Low maintenance.
  • 5 sq. ft. heating surface/HP.
  • Durable design.
  • Heavily constructed.


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Our complete line of boiler room equipment includes a wide range of boilers, burners, hot water heaters, feedwater systems, blowdown systems, fuel efficient equipment, control systems, oil heaters and stack systems.

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Hurst Boiler & Welding Company

Hurst Boiler offers a complete product line of natural gas, oil, digester gas and off gas fired steam and hot water boilers, as well as a broad array of ancillary equipment including blowdown separators, surge tanks and pressurized feedwater tanks.

  • Scotch Marine (firetube)
  • Firebox
  • Vertical tubed & tubeless boilers
  • Feedwater systems
  • Blowdown separators
  • Deaerator systems
  • Solid fuel fi red boilers
  • Hybrid HD series