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Once the survey is done, our Gas Safe Registered engineers will install free 'A' Rated Boilers, which helps you save on gas bills.



Worcester Bosch Greenstar 9i Erp LPG System Boiler

Worcester Bosch Greenstar 9i system wall mounted  A-rated boiler is most popular system boiler that is ideal for small homes with higher heating and hot water demands. Worcester Bosch Greenstar 9i system boiler requires a cylinder for storing hot water, it does not  require a tank in the loft to feed the hot water cylinder and a tank that maintains the water level of the central heating system, as the major heating and hot water system components are built into the boiler itself, makes installation quick and neat.

  • Simple boiler controls with clear information display
  • Compatible with existing unvented cylinder and Pipe work
  • Supplies hot water evenly to all taps at same time.
  • Improves heating and hot water performance
  • Compatible with wide range of controls
  • High efficiency helps to reduce energy bills
  • Low energy pump reduces electrical usage
  • Seprate pump and loft tanks not needed, frees space for loft conversion
  • Large Condensesure style siphon built into the boiler eliminates frost risk
  • Can be used with solar panels for energy and cost savings
  • ideal for homes where the heating system includes a hot water storage cylinder




System boilers are known for their high quality and reliability and are designed to meet highest demands of heating and hot water for bigger houses with multiple bathrooms and separate showers. System boilers are ultra efficient economical and provides plenty of hot water to multiple taps at same time without any tanks in the loft. System boilers require a cylinder for storing hot water, however the major heating and hot water system components are built into the boiler itself, making it quicker and easier to install. As there is no need for a tank in the loft it can be a perfect option for a house with little or no loft space. They are more efficient and space saving alternative to conventional boilers and installation is less disruptive and neater.


A system boiler pumps hot water to radiators through pressurised hot water cylinder, which provides faster response of hot water to taps and is also more energy efficient as less heat is wasted. It does not need extra boiler facilities as compared to conventional boiler. The combination of system boiler and a cylinder produces more hot water for more than one tap and shower without losing boiler pressure. These boilers are also compatible with solar water heating systems which makes them more economical and environmentally beneficial.


  • Suitable for properties with more than one bathroom
  • Constant supply of hot water to multiple taps at the same time
  • Frees loft space as no loft tank is needed which eliminates worries about leaks or frost damage
  • Economical to run
  • Built-in components makes installation quicker and neater