Boiler includes long flue lengths (up to 12m with 60/100mm flues) for flexibility of siting and a 500ml integrated condensate siphon to reduce the risk of freezing,
Front access to key components
Longer flue lengths, up to 12M (60/100)
Intuitive full-colour long-text display
500ml condensate siphon
Quiet operation, 45dB(A)
Modulates down to 3kW central heating output (1:10)
Increased DHW efficiency but reduced waste water
Full flow rates from 1 bar mains pressure
Compatible with Greenstar intelligent filling system
Price range: £1,349.66 through £1,407.68 Incl. VAT
Offering ErP A-rated heating and hot water delivery, the Worcester Bosch Greenstar 4000 GR4700iW 30 C NG combi boiler pack provides homeowners with economy, comfort and efficiency. Easy to install, this well-designed 30kW condensing combi boiler is supplied with a flue as well as a system filter for clean and reliable operation. The Greenstar 4000 is designed with a simple, clear display panel for ease of use and fast troubleshooting.
| Brand | Worcester Bosch |
| Flow Rate | 12.3 L/min @ 35°C11 L/min @ 40°C |
| Fuel Type | Natural Gas |
| Range | Greenstar 4000 |
| Warranty | 7 years |
| Weight | 34.9 kg |
| Energy Rating | A |
| Hazardous | N |
| Water Heating Energy Efficiency Class | A |
| Depth (mm) | 310 |
| Output (kW) | 30 |
| Efficiency (SAP 2009) | 94 |
| Mounting Type | Wall |
| Height (mm) | 724 |
| Supplier Product Code | 333187 PK |
| Type | Combi Boiler Pack |
| WEEE Compliant | N |
| Width (mm) | 400 |
The Greenstar 4000 30kW Combination Boiler is the direct upgrade for its predecessor the Greenstar 30i and is most suited to small to medium-sized homes with one bathroom. It features a modern new design, a full-colour text display that is easy to use and it is exceptionally quiet too. The Greenstar 4000 has a wide power range to meet your heating and hot water needs, whilst doing so efficiently.
Please read Worcester’s full terms and conditions for extended guarantees.
| Weight | 34.9 kg |
|---|---|
| Dimensions | 310 × 400 × 724 mm |
| Flue Type | Vertical Flue, Horizontal Flue |
ECO Heat Shop Ltd provides national distribution for plumbing and heating supplies across England, Scotland, and Wales. Orders placed before the 18:00 PM (Afternoon) cutoff are typically processed for same-day dispatch.
View Full Shipping & Collection Policy ›Hours: Monday – Saturday: 08:30 AM – 06:30 PM | Sunday: Closed
Location: Unit 8 West Cross Shopping Centre, Oldbury Rd, Smethwick, B66 1JG
In-shop precision key cutting available during standard operational hours. Professional while-you-wait service for Smethwick residents and trade contractors.
Smart supplies for real heat.
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