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PHW Hot Water Range

The PHW is a reverse flame wetback shell hot water boiler, economical in both purchase price and running costs without compromising reliability.

Their simple operation makes these boilers ideal for low pressure commercial heating and process applications.

For further information, including dimensions and weights, click here to download brochure.

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 easily maintained
  • Generous shell and furnace sizes
  • Easy access for cleaning and inspection
  • Flow and return connections arranged to achieve optimal internal circulation and even heat distribution
  • Designed for LTHW systems

Energy Saving

  • Heavy insulation
  • Stainless steel retarders


Model PHW
Boiler type Reverse flame wetback shell hot water boiler.
Fire tube passes 2 passes within the furnace, 1 within tubes.
Output 100 to 1100 kW/hour.
Working pressure 5 bar g.
Typical flow temperature Up to 95 degrees C.
Fuel type Liquid and gaseous fuels.
Manufacturing Standards EN303, CE marked, European Pressure Equipment Directive compliant.
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.

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

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