.png "Aqualisa")
Worcester Greenstar 4000 21kW System Boiler 7733600383
Stock code: 7733600383
Manufacturer: Worcester
Size: H-724mm W-400mm D-310mm
Download Product Specification
Worcester Greenstar 4000 21kW System Boiler 7733600383
The Greenstar 4000 is perfect for small to medium sized homes with one bathroom, it features a modern new design, an easy to use full colour text display and it’s quiet too. The Greenstar 4000 has a wide power range to meet all of your heating and hot water needs, whilst doing so efficiently.
* Up to a 10 Year guarantee when installed by a Worcester Accredited Installer . Terms and conditions
- Ease of installation SimpleSwitch to previous Worcester i System models with pre-piping jig offering rear piping as standard
- Available at TDL
- Flexibility of siting provided by long flue lengths (up to 12m with 60/100mm flues) and a 500ml integrated condensate siphon to reduce the risk of freezing
- Complete peace of mind for the end user with a 10-year heat exchanger and a 7-year product guarantee available as standard. Wide modulation range designed to optimise efficiency when heating demand is low.
- High-end design, quiet operation (up to 42dB(A)) with an intuitive, long text, colour boiler display for ease of use
- Performance at low pressure
- Quiet operation
Related Products
Worcester 100mm Telescopic Standard Flue - 7716191082
Manufacturer: Worcester
Stock code: 7716191082
£96.64 ex. VAT £115.97 inc.VAT
Worcester Vertical Flue Kit - 7719002430
Manufacturer: Worcester
Stock code: 7719002430
£131.90 ex. VAT £158.28 inc.VAT
Pair Of Worcester 45 Degree Elbows - 7716191085
Manufacturer: Worcester
Stock code: 7716191085
£78.68 ex. VAT £94.42 inc.VAT
Worcester 1 Metre Flue Extension - 7716191083
Manufacturer: Worcester
Size: 1M
Stock code: 7716191083
£57.45 ex. VAT £68.94 inc.VATWorcester 220mm Short Flue Extension - 7716191133
Manufacturer: Worcester
Size: 220mm
Stock code: 7716191133
£36.38 ex. VAT £43.66 inc.VAT
Worcester 90 Degree Elbow - 7716191084
Manufacturer: Worcester
Stock code: 7716191084
£46.99 ex. VAT £56.39 inc.VAT
Worcester Bosch Plume 1Metre Extension - 7716191087
Manufacturer: Worcester Bosch
Stock code: 7716191087
£37.12 ex. VAT £44.54 inc.VAT
Worcester Bosch Plume Elbow 45° (Pair) - 7716191089
Manufacturer: Worcester Bosch
Stock code: 7716191089
£41.53 ex. VAT £49.84 inc.VAT
Worcester Bosch Plume Elbow 90° - 7716191088
Manufacturer: Worcester Bosch
Stock code: 7716191088
£41.53 ex. VAT £49.84 inc.VAT
Worcester Bosch Plume Kit - 7716191086
Manufacturer: Worcester Bosch
Stock code: 7716191086
£76.49 ex. VAT £91.79 inc.VAT
Worcester Flue Support Bracket - 7716191177
Manufacturer: Worcester Bosch
Stock code: 7716191177
£31.82 ex. VAT £38.18 inc.VAT
Worcester Long Telescopic Flue Kit - 7716191171
Manufacturer: Worcester
Stock code: 7716191171
£98.95 ex. VAT £118.74 inc.VAT
Worcester Pitched Roof Flashing 7716191091
Manufacturer: WORCESTER
Stock code: 7716191091
£51.25 ex. VAT £61.50 inc.VAT
Worcester Silver Extension Flue Kit 960mm - 7738112871
Manufacturer: Worcester Bosch
Size: 960mm
Stock code: 7738112871
£60.49 ex. VAT £72.59 inc.VAT
Worcester Silver Flue Support Bracket - 773811287
Manufacturer: Worcester Bosch
Stock code: 773811287
£33.19 ex. VAT £39.83 inc.VAT
Worcester Silver Short Extension Flue Kit 220mm - 7738112873
Manufacturer: Worcester Bosch
Size: 220mm
Stock code: 7738112873
£41.39 ex. VAT £49.67 inc.VAT
Worcester Silver Standard Telescopic Flue & Terminal (350 - 570mm) - 7738112869
Manufacturer: Worcester Bosch
Stock code: 7738112869
£99.01 ex. VAT £118.81 inc.VAT
Worcester Vertical Flue Adaptor - 7719002432
Manufacturer: WORCESTER
Stock code: 7719002432
£52.06 ex. VAT £62.47 inc.VAT
Calmag 15mm Scale Reducer
Manufacturer: CALMAG
Size: 15MM
Stock code: CALMAGWS
£28.50 ex. VAT £34.20 inc.VAT
Worcester Greenstar 22mm Mini System Filter 7733600266
Manufacturer: Worcester
Size: 22mm
Stock code: 7733600266
£147.90 ex. VAT £177.48 inc.VAT
Worcester Greenstar 22mm System Filter 7733600236
Manufacturer: Worcester
Size: 22mm
Stock code: 7733600236
£159.16 ex. VAT £190.99 inc.VAT
Worcester Greenstar 28mm System Filter 7733600237
Manufacturer: Worcester
Size: 28mm
Stock code: 7733600237
£235.20 ex. VAT £282.24 inc.VAT