Hamworthy Stratton

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Stratton Mk2 - Wall Hung, Pre-Mix Gas Fired Modular Boilers

The new Stratton mk2 wall hung condensing boiler offers exceptional system tolerance with a highly durable stainless steel heat exchanger at the heart. Suitable for use with natural gas and LPG this boiler can be specified for a multitude of commercial wall hung boiler applications.

An extensive product range of 7 models with outputs from 40kW to 150kW enables you to choose the most appropriate boiler to meet the building heat load. A superb 5:1 turndown ratio per boiler module means any changes in system load are accurately matched. This minimises boiler cycling and wastage of energy. Outstanding efficiency in excess of 108% nett keeps operating costs to a minimum, and the pre-mix burner technology gives clean operation with ErP Class 6 NOx emissions.

The boiler is protected from operating during adverse system conditions thanks to built-in monitoring of low water pressure and flow rate.

The Stratton mk2 wall hung boiler can be installed with both room sealed and open flue arrangements. Pre-defined flue headers for up to 4 boilers, plus off the shelf flue solutions for single boilers help simplify installation.

Designed for sealed and pressurised systems only, the hydraulic installation can be fast tracked using factory manufactured frame and header kits that include boiler pumps for up to 4 boilers.

  • Durable corrosion resistant stainless steel heat exchanger backed up by 5-year heat exchanger warranty (T&Cs apply)
  • Up to 96% gross seasonal efficiency
  • Accurate load matching with 5:1 turndown ratio to prevent wasting energy
  • Fully modulating for greater efficiency
  • 7 models with outputs from 40kW to 150kW
  • Low NOx emissions (<40mg/kWh, ErP Class 6)
  • Easy transport thanks to lightweight heat exchanger
  • Space saving flue arrangement thanks to concentric flue connector and integral flue gas non return valve
  • Suited to low ceiling height plant rooms (<2.2 metres to top of flue header when mounted on low height pipe kit)
  • Integral boiler sequence controller
  • Pre-defined flue headers for up to 4 boilers, plus off the shelf flue solutions for single boilers for simplified installation
  • Quick and easy to install with optional pipe kits for up to 4 boilers


  • Single and multiple boiler controls
  • Boiler sequencing cascade controller
  • Natural gas or propane
  • Pipe kits and low loss header
  • Support frame kit
  • Flue header kits
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