Features & Benefits

• • 18kW central heating output: Sized for the heating load of the property.
  
  
• • ErP A rated: A rating for space heating efficiency.
  
  
• • SimpleSwitch: Designed to replace the Greenstar i, i Junior and Si.
  
  
• • Pre-piping jig and rear piping: Both supplied as standard for flexible siting.
  
  
• • Front access servicing: Front access to all key components including the PRV.
  
  
• • Full text colour display: Intuitive control and clearer fault information.
  
  
• • RF control compatibility: Works with Worcester Bosch RF controls.
  
  
• • Wide modulation range: Range rateable to reduce gas consumption.
  
  
• • EasyControl and solar compatible: Control and solar options both supported.
  
  
• • Wall mounting jig supplied: Included with the appliance as standard.
  
  

Applications

• • Cylinder based systems: A system boiler serving a separate hot water cylinder.
  
  
• • Greenstar i, i Junior and Si replacement: SimpleSwitch reuses existing positions to cut time on site.
  
  
• • Natural gas properties: Supplied as a Gas (NG) appliance.
  
  
• • Solar compatible systems: Listed by Worcester Bosch as solar compatible.
  
  
• • Smart control upgrades: Compatible with Bosch EasyControl and RF controls.
  
  
• • Intelligent Filling System: Compatible with the Greenstar Intelligent Filling System, part 7 738 112 911.
  
  

Installation Guidance

• • Clearances: 1134 x 410 x 910mm including the boiler dimensions, based on a 60/100 flue kit.
  
  
• • Maximum horizontal flue: 12000mm, based on installing a 60/100 flue kit.
  
  
• • Maximum vertical flue: 12000mm with 60/100, or 21000mm with 80/125.
  
  
• • Pre-piping: The pre-piping jig allows connections to be run before the boiler is hung.
  
  
• • Lift weight: 33.2kg.
  
  
• • Filling options: A Keyless Filling Link, part 7 716 192 610, and a Filling Link, part 7 716 192 281, are available.
  
  
• • Manufacturer literature: A Greenstar 4000 System installation manual and installer brochure are published by Worcester Bosch.
  
  

Compliance & Performance

• • ErP efficiency rating: A for space heating.
  
  
• • Dimensions: 724 x 400 x 310mm, height by width by depth.
  
  
• • Lift weight: 33.2kg.
  
  
• • NOx emissions: 37 mg/kWh.
  
  
• • Ingress protection rating: IPX4D.
  
  
• • Fuel: Gas (NG).
  
  
• • Manufacturer part number: 7 733 600 381, the 18kW system boiler.
  
  
• • Guarantee: 7 years as standard, 8 years with any Greenstar System Filter, or 10 years with a filter plus a 40 pound payment for non-WAI loyalty members.