Greenstar 18Ri
Description
The Greenstar Ri regular boilers are the smallest of our condensing boilers - they can even be installed within a standard kitchen cabinet.
These boilers are available in 4 different outputs which means that there’s one to suit small, medium and larger properties. The Greenstar Ri Regular boilers are used with a heating system that includes stored hot water in a cylinder.
The Greenstar Ri boilers have a fascia-mounted heating temperature control knob and neon operational status indicator.
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: 18kW
Efficiency
This boiler is registered with the Energy Saving Trust.
This boiler is compatible with Greenskies solar panels
Features and benefits
- Best official boiler efficiency rating (SEDBUK band A)
- 5 year boiler guarantee until 30th June 2013, terms and conditions apply (standard guarantee: 2 years)
- 10 year guarantee on primary heat exchanger (subject to terms and conditions)
- Compact dimensions - can fit within kitchen cupboard
- Built-in heating temperature control
- Compatible with Greenskies solar panels
- Low NOx and CO2 emissions - environmentally friendly
Multi-directional fluing for siting flexibility
For ease of installation, flow and return pipes can be plumbed in from above or below the boiler
- Lift weight: just 22.6kg - the lightest boiler in its class
Technical data table
| Technical data | |
|---|---|
| Title | Value |
| NOx classifications (mg/kWh) | 84 |
| Height (mm) | 600mm |
| Width (mm) | 390mm |
| Depth (mm) | 270mm |
| Weight | 22.6kg |
| SEDBUK value %/band - LPG | 91.4% / Band A |
| SEDBUK value %/band - natural gas | 90.1% / Band A |
| Output to central heating and domestic hot water | 6 - 18kW (20,472 - 61,416Btu/hr) |
| Solar compatible | Yes |
| 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) |
| Gas connection | 22mm compression |
| Heating flow and return connections | 22mm compression |
| Maximum flow temperature | 82ºC (180ºF) |
| Primary water content | 1.1 litres |
| NOx class | Class 4 |
| Noise output level | 43.7 dB(A) |
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 | |||
| Product literature | ||||
|---|---|---|---|---|
| Title/description | Part number | Order | ||
| Gas boiler wiring guide | 6 720 646 965 | |||
| Installation and servicing instructions for Greenstar Ri (manufactured Aug 08 - Dec 10) | 8 716 115 168 | |||
| Installation and servicing instructions for Greenstar Ri (manufactured from Jan 11 onwards) | 6 720 644 744 | |||
| Installation and servicing instructions for Greenstar Ri (manufactured March 2005 - July 2008) | 8 716 112 052 | |||
| Tech and spec for wall mounted gas regular boiler | 8 716 115 774 | |||
| User manual for Greenstar Ri (manufactured Aug 08 - Jan 11) | 8 716 115 172 | |||
| User manual for Greenstar Ri (manufactured from Dec 2010) | 6 720 644 865 | |||
| User manual for Ri (manufactured March 2005 to July 2008) | 8 716 109 698 | |||
| Accessory literature | ||||
|---|---|---|---|---|
| Title/description | Part number | Order | ||
| CondenseSure brochure | 8 716 116 559 | |||
| CondenseSure Siphon - Installation instructions | 6 720 803 103 | |||
| Greenstar 18Ri and 24Ri LPG conversion kit | 8 716 111 859 | |||
| Greenstar low loss header bulletin | L-loss PB 12/2011 | |||
| Installation Instructions for Greenstar System Filter | 6 720 803 839 | |||
| Ri syphon fitting instructions | 8 718 683 176 | |||
| 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 | |||

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