Dorchester DR-TC solar water heater
Hybrid solar water heater with integrated direct fired condensing gas burner for domestic hot water.

2 models available with continuous outputs (@44°C ∆T) of 820 & 1200 l/h.
  • Power outputs 41-59kW and storage capacity of 388 litres.
  • Saves energy and reduces gas bills by using free solar energy when available.
  • Fits in existing plant room with no back-up heat source needed.
  • Safe and efficient domestic hot water generation.
  • Combats climate change with low carbon emissions.
  • Flexible temperature controls to help prioritise solar energy usage.
  • Compatible with Hamworthy Trigon solar panels to ease project co-ordination.
  • Direct fired water heater can be operated independently from solar hot water system to allow a phased installation to spread the cost.
  • Down firing pre-mix modulating burner reduces the risk of scale build up impacting on the heat transfer.
  • Easy access for service and maintenance.
  • Full solar project assistance with hot water sizing (using T’Sol software) and a dedicated hot water expert to guide you through product selection.
  • Extensive back up and support from our team of experienced engineers across the UK.

Find out how you could save money on your fuel bills and benefit from free solar energy.
  Title Type Size  
Dorchester DR-TC brochure Dorchester DR-TC brochure Product brochures 3580 kB Download
Dorchester DR-TC dimensions Dorchester DR-TC dimensions Dimensions 141 kB Download
Dorchester DR-TC solar water heater technical data table Dorchester DR-TC solar water heater technical data table Data tables 249 kB Download
Dorchester DR-TC installation manual Dorchester DR-TC installation manual Installers guides 2164 kB Download
Dorchester DR-TC water heater wiring diagram Dorchester DR-TC water heater wiring diagram Wiring diagrams 75 kB Download
  • New build projects
  • Large and medium sized commercial and public buildings including schools, hospitals and hotels
  • Locations with substantial and continuous hot water demands including hospitals, hotels and sports facilities.

  • Unvented water supply kit - essential for any unvented application and includes an expansion vessel sized for the water heater and local pipework only.
  • Remote monitoring unit
  • Dummy sensor kit
  • Room Sealed Flue Systems:
    • Concentric flue systems type C13–Horizontal termination
    • Concentric flue systems type C33–Vertical termination
  • Twin duct flue systems type C53–Vertical flue termination with Horizontal air inlet
  • Conventional Open Flue Systems:
    • Open flue systems type B23–Vertical termination 
  • Choose from a wide range of service contracts to help maintain optimum performance.