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Greenstar Si Compact overview
Our Greenstar Si Compact combi boiler is suitable for small to medium sized homes with one bathroom.
With hot water flow rates of up to 12.3 litres/min, the Greenstar Si has a host of design features for ease of installation, use and servicing and can also fit within a standard kitchen cupboard.
Download our easy guide, which covers everything you need to know about the Greenstar Si Compact
Our entire gas boiler range is able to run on a 20% hydrogen blend - so your customer can be confident it will run on gas for it’s lifetime. Learn more.
Standard Guarantee
- 7 Year
With any Greenstar System Filter
- 8 Year
With any Greenstar System Filter + £150 (Non-WAI Excelerate members only)*
- 10 year
*Available to Excelerate members only. Non-WAI’s can achieve this extended guarantee length with an additional payment of £150. Terms and conditions apply.
Features & Benefits
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Wall mounting jig providing pre-plumbing and rear piping as standard
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Low lift weight
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Fits in a standard kitchen cupboard
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Central heating flow and hot water temperatures can be adjusted using simple control knobs
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Plug & play optional Worcester controls available
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Commissioning information for easier completion of the Benchmark checklist
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Clear operational information and diagnostic display
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High efficiency and greater reliability with our innovative WB7 heat exchanger
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Colour-coded wiring connectors for error free connection and removal
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Compatible with CondenseSure accessory - eliminates risk of condensate pipe freezing*
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Achieves an A+ ErP package efficiency rating for heating when installed with a smart internet connected Bosch EasyControl
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Scan and register the boiler using our free MyWorcester App
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Technical Details
| Greenstar 25Si Compact | Greenstar 30Si Compact | |
|---|---|---|
| Part number | 7 733 600 050 | 7 733 600 052 |
| ErP Efficiency Rating |
A
A
|
A
A
|
| ErP Data Sheet | ||
| LPG model available | ||
| Control Options | ||
| EasyControl Compatible | ||
| Solar Compatible | ||
| Central heating output (kW) | 24 | 24 |
| Dimensions (mm) height x width x depth | 690 x 390 x 280 | 690 x 390 x 280 |
| Show more | ||
*The Condensesure Siphon has been proven to be effective at preventing frozen condensate at -15°C for a sustained period of 48 hours. 32mm pipework must be used and should not exceed 3 metres in length
Manuals & Brochures
| Product Literature |
|---|
| Greenstar 25-30 Si Compact ErP Installation and Servicing Instructions |
| Greenstar 25-30 Si Compact ErP Operating Instructions |
Related Accessories
| Boiler Accessories | Part number | ||||
|---|---|---|---|---|---|
| CondenseSure | 7 716 192 746 | ||||
| Keyless Filling Link | 7 716 192 610 | ||||
| Flue Gas Heat Recovery Unit | 7 733 600 047 | Installation Manual | |||
| Below boiler pipe cover | 7 716 192 608 | ||||
| Greenstar Comfort wall mounting plate | 7 733 600 039 | ||||
| EasyControl Adapter | 7 736 701 560 | Installation Manual |
| Flashing Kits | Part number | ||||
|---|---|---|---|---|---|
| Flat roof flashing kit (100mm & 125mm dia.) | 7 716 191 090 | ||||
| Pitched roof flashing kit (100mm & 125mm dia) | 7 716 191 091 |
| Flue | Part number | ||||
|---|---|---|---|---|---|
| Standard telescopic horizontal flue kit (100mm dia) | 7 716 191 0822 | WallHung | Gas | ||
| 1000mm extension kit (100mm dia.) | 7 716 191 083 | ||||
| 90º bend (100mm dia.) | 7 716 191 084 | ||||
| Short flue extension, 220mm (100mm dia) | 7 716 191 133 | ||||
| 2m flue extension (100mm dia.) | 7 716 191 172 | ||||
| High level horizontal flue adaptor (100mm dia) | 7 719 002 432 | ||||
| High level horizontal flue adaptor (125mm dia) | 7 719 002 433 | ||||
| Vertical BF kit (100mm) | 7 719 002 4302 | ||||
| Vertical BF kit (125mm) | 7 719 002 4312 | ||||
| 60/100mm (x2) 45º bends | 7 716 191 085 | ||||
| Horizontal flue kit (125mm dia.) | 7 719 003 7022 | ||||
| 45 degree bend (80/125mm dia.) | 7 719 003 665 | ||||
| 90º bend (125mm dia.) | 7 719 003 664 | ||||
| Long telescopic flue kit (100mm dia.) | 7 716 191 171 | ||||
| Support bracket kit (100mm dia.) | 7 716 191 177 | ||||
| Support bracket (125mm dia.) | 7 716 191 179 | ||||
| Support bracket 6 pack (100mm dia.) | 7 716 191 178 | ||||
| High level horizontal telescopic 60/100mm flue kit | 7 733 600 0482 | ||||
| Standard Telescopic Flue & Terminal (White) | 7 716 191 082 | WallHung | Gas | Installation Manual |
| Plume | Part number | ||||
|---|---|---|---|---|---|
| 45º bend (x2) | 7 716 191 089 | ||||
| 90º bend | 7 716 191 088 | ||||
| Plume management terminal guard round (60mm dia.) | 7 716 191 176 | ||||
| Plume management kit (60mm dia) | 7 716 191 086 |
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