Greenstar 30Si
Description
The Greenstar Si combi boilers are our mid-range appliances.
They’re suitable for apartments and small to medium sized 1 bathroom properties.
You can control both the hot water and central heating temperatures on a Greenstar Si boiler. There is also a range of optional controls available, offering you further comfort and flexibility.
For further peace of mind, every boiler in Worcester’s Greenstar gas and LPG condensing boiler range has been awarded a Which? Best Buy accreditation.
5 year boiler guarantee until 30th June 2013 (terms and conditions apply). See promo page for details.
10 year guarantee on primary heat exchanger.
Central heating output: 24kW
Domestic hot water flow rate: 12.3 litres per minute at 35 degree temperature rise (provided adequate mains water pressure is available)
Designed operational flow rate 10.7 litres per minutes at 40 degree temperature rise.
Efficiency
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Features and benefits
- Best boiler efficiency rating (SEDBUK band A)
- Keep hot facility - instantly available hot water
Metal wall mounting frame allows pipework to be hidden from view
Vertical pre-piping kit
- Below boiler pipe cover
Earth bonding strip
Low NOx and CO2 emissions - environmentally friendly
5 year boiler guarantee until 30th June 2013, terms and conditions apply (standard guarantee: 2 years)
- 10 year guarantee on primary heat exchanger
5 year anti-scale guarantee on domestic hot water heat exchanger
Hot water and central heating temperatures can be controlled
- Multi-directional fluing means boiler can be sited in a wide variety of places
- Mechanical and digital controls all compatible
Technical data table
| Technical data | |
|---|---|
| Title | Value |
| NOx classification with low NOx code plug (mg/kWh) | 38 |
| NOx classifications (mg/kWh) | 66 |
| Height (mm) | 710mm (max) |
| Width (mm) | 400mm |
| Depth (mm) | 330mm (max) |
| Weight | 27.1kg |
| SEDBUK value %/band - LPG | 91.8% / Band A |
| SEDBUK value %/band - natural gas | 90.1% / Band A |
| DHW flow rate @ 35°C rise | 12.3 l/min |
| Output to central heating | 7.2 - 24kW (24,566 - 82,000 Btu/hr) |
| Solar compatible | No |
| Maximum horizontal flue (100mm Ø) | 4,600mm (inc. terminal) |
| Maximum vertical flue (100mm Ø) | 6,400mm (inc. terminal) |
| Maximum horizontal flue (125mm Ø) | 13,000mm (inc. terminal) |
| Maximum vertical flue (125mm Ø) | 15,000mm (inc. terminal) |
| Mains cold water inlet | 15mm compression |
| Domestic hot water outlet | 15mm compression |
| Gas connection | 22mm compression |
| Pressure relief valve | 15mm ф |
| Heating flow and return connections | 22mm compression |
| Condensate connection | 22mm plastic pipe |
| Maximum domestic water inlet pressure | 10 bar |
| Minimum domestic water inlet pressure for maximum DHW rate | 2 bar |
| Minimum domestic water inlet pressure to operate the appliance | 0.2 bar |
| Primary water content | 3.9 litres |
| NOx class | Class 5 |
| Wall mounting jig | Yes |
| Filling link | Optional |
| Plug-in timers | Yes (optional) |
| Optimising room temperature controller | Yes (optional) |
| Intelligent controls | Yes |
| Condensing in DHW mode | No |
Literature
| Product guides and brochures | ||||
|---|---|---|---|---|
| Title/description | Part number | Order | ||
| Greenstar gas boiler brochure A guide to our gas boilers and choosing the best boiler for your home. |
8 716 109 642 | |||
| Product guide for gas boilers and solar heating Quick pocket-sized reference for trade professionals on gas boilers and solar water heating. |
8 716 116 255 | |||
Download (3.68 MB)
Order a printed copy| Product literature | ||||
|---|---|---|---|---|
| Title/description | Part number | Order | ||
| Gas boiler wiring guide | 6 720 646 965 | |||
| Installation and servicing instructions for Greenstar Si (manufactured Aug 08-July 09) | 8 716 115 165 | |||
| Installation and servicing instructions for Greenstar Si (manufactured from Feb 2011) | 6 720 643 895 | |||
| Installation and servicing instructions for Greenstar Si (manufactured March 2005 - July 2008) | 8 716 112 053 | |||
| Installation and servicing manual for Greenstar Si (manufactured Aug 09 - Jan 11) | 8 716 115 659 | |||
| Product bulletin: new low NOx boilers, new Greenstar Si and i System controls | Gas PB 01/2011 | |||
| Spare parts list Greenstar 25/30SI | 6 720 620 124 | |||
| Tech and spec for wall mounted gas combi boilers | 8 716 115 773 | |||
| User manual for Greenstar Si (manufactured Aug 08 - July 09) | 8 716 115 169 | |||
| User manual for Greenstar Si (manufactured Aug 09 - Jan 11) | 8 716 115 660 | |||
| User manual for Greenstar Si (manufactured from Feb 2011) | 6 720 643 356 | |||
| User manual for Si (manufactured March 2005 to July 2008) | 8 716 107 339 | |||
| Flue literature | ||||
|---|---|---|---|---|
| Title/description | Part number | Order | ||
| 60/100mm horizontal flue instruction manual | 6 720 644 842 | |||
| 60/100mm Vertical flue kit instructions | 6 720 611 739 | |||
| 80/125mm 45° flue duct kit instructions | 6 720 641 098 | |||
| 80/125mm 90° flue duct kit instructions | 6 720 641 097 | |||
| 80/125mm flue extension kit instructions | 6 720 641 099 | |||
| 80/125mm horizontal flue instructions | 6 720 611 436 | |||
| 80/125mm vertical flue kit instructions | 6 720 611 740 | |||
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