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The Dalesman

The Dalesman is a traditional three pass wetback shell hot water boiler, and is ideally suited to cope with the rigours and continual heavy workload demanded for commercial heating and industrial process applications.

The Dalesman high and medium temperature versions incorporate the unique X-ID boiler tube. With special helical internal ribs this tube increases heat transfer from tube to water space, making the Dalesman a most energy efficient hot water boiler.

Contact our engineers for answers and advice on sizing; application; pricing; further technical information and to arrange a site visit.

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Principal Features

  • High efficiency
  • Low NOx emissions
  • Reliable and robust with long life span
  • Generous shell and furnace sizes.
  • Output easily achieved
  • Central furnace with bowling hoops
  • Easy access for cleaning and inspection

Energy Saving

  • High performance X-ID firetubes (med/high temperature models)
  • High performance ceramic fireside insulation
  • Combustion management system*
  • Inverter driven burner fan*


Model Dalesman
Boiler type Traditional three pass wetback shell hot water boiler
Output 1000 to 10,000 kW (other by special design)
Fire tube passes 2
Working pressure 6.89, 10.34, 13, 17 and 20 bar g, (other by special design)
Typical efficiency 86% (based on nett calorific value)
Temperature Up to 180 degrees C
Fuel type Liquid, solid, gaseous fuels or biomass
Manufacturing Standards EN 12953, CE marked, European Pressure Equipment Directive compliant. Certified by Lloyds register.
County of manufacture United Kingdom
Boiler package All Byworth boilers are sold fully packaged with highest quality mountings fitted, and a choice of burners from leading manufacturers fully fitted and wired. Ladder and gantry system compliant with EN 14122 are included where required.

Not sure which boiler is right for you? Give us a call on +44 (0)1535 665225

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