Features & Benefits

• • 27kW central heating output: The lower output option in the 27kW and 30kW Ri range.
  
  
• • ErP A rated: A rating for space heating efficiency.
  
  
• • WB7 heat exchanger: High efficiency and greater reliability.
  
  
• • Fits a standard cupboard: 600 x 390 x 270mm keeps the boiler out of sight.
  
  
• • Low lift weight: Easier handling during installation.
  
  
• • Rear piping as standard: Provided by the wall mounting plate.
  
  
• • Simple boiler control knob: Straightforward operation for the householder.
  
  
• • S and Y plan compatible: Suits traditional system layouts.
  
  
• • Solar compatible: Can be paired with solar for added efficiency.
  
  

Applications

• • Medium and large homes: Worcester Bosch positions the higher output Ri for these properties.
  
  
• • Cylinder based systems: A regular boiler for use with a hot water cylinder.
  
  
• • Greenstore cylinder systems: Can be paired with Worcester Greenstore cylinders for a complete system solution.
  
  
• • S and Y plan systems: Compatible with both control plans.
  
  
• • Kitchen cupboard siting: Small enough to be installed in a standard cupboard.
  
  
• • Natural gas properties: Supplied as a Gas (NG) appliance.
  
  

Installation Guidance

• • Dimensions for siting: 600 x 390 x 270mm, height by width by depth.
  
  
• • Wall mounting plate: Provides rear piping as standard.
  
  
• • Flue options: A full range of Condensfit II horizontal and vertical flues is available, with an optional plume management kit.
  
  
• • EasyControl adaptor: Required for Bosch EasyControl to work with the Greenstar regular boilers.
  
  
• • Optional Worcester controls: Plug and play when the optional Greenstar Wiring Centre is used.
  
  
• • Frozen condensate: Compatible with the CondenseSure accessory, part 7 716 192 746, which eliminates the risk of the condensate pipe freezing.
  
  
• • Manufacturer literature: ErP operating instructions for the 27-30 Ri Compact are published by Worcester Bosch.
  
  

Compliance & Performance

• • ErP efficiency rating: A for space heating.
  
  
• • Dimensions: 600 x 390 x 270mm, height by width by depth.
  
  
• • Central heating output: 27kW.
  
  
• • Fuel: Gas (NG), with an LPG model listed separately.
  
  
• • Boiler type: Regular, heating only, for use with a hot water cylinder.
  
  
• • Frost protection: The Condensesure Siphon is proven to prevent frozen condensate at minus 15 degrees C for a sustained period of 48 hours.
  
  
• • Guarantee: Up to 10 years when installed by a Worcester Bosch Accredited Installer, terms and conditions apply.