The Worcester Greenstar 8000 F 35kW Regular Boiler (NG) – 7731600301 is a premium floor-standing heat-only regular boiler designed for larger homes with higher central heating demands and a separate hot water cylinder. With a powerful 35kW central heating output, ErP A efficiency rating and under-counter design, it is well suited to kitchen and utility room installations.
Part of the Greenstar 8000 F range, this natural gas boiler combines a floor-standing format with modern touch controls for straightforward operation. It is also specified as solar compatible and can work with Bosch EasyControl when the required adapter is used. The boiler unit is supplied separately from the flue, controls, filter and other system accessories, which are selected to suit the installation.
35kW Output
ErP A Rated
Regular / Heat Only
Natural Gas
Floor Standing
EasyControl Compatible
Key Highlights
35kW
Central Heating Output
7 Years
Standard Warranty
Applications & Suitability
- Larger homes with higher central heating demand.
- Properties using a separate hot water cylinder.
- Regular or heat-only heating systems requiring a floor-standing boiler.
- Kitchen and utility room installations where an under-counter boiler format is suitable.
- Heating systems designed to incorporate suitable solar compatibility.
- Installations using Bosch EasyControl with the required adapter.
Key Specifications
| Manufacturer |
Worcester Bosch |
| Model / Range |
Greenstar 8000 F Regular |
| Boiler Type |
Regular (Heat Only) – Floor Standing |
| Central Heating Output |
35 kW |
| Fuel |
Natural Gas (NG) |
| ErP Rating |
A |
| Dimensions (H × W × D) |
850 × 400 × 600 mm |
| MPN / Manufacturer Part No. |
7731600301 |
| EAN |
4062321885137 |
| Warranty |
7 years standard; up to 10 years available when installed & registered to manufacturer terms |
| Control Compatibility |
EasyControl compatible; adapter required on regular boilers |
| Solar Compatibility |
Yes |
35kW Central Heating Output
With a 35kW central heating output, the Greenstar 8000 F Regular is designed for properties with higher heating requirements. Its regular boiler configuration makes it suitable for heating systems that use a separate hot water cylinder.
Regular Heat-Only Boiler Design
The Greenstar 8000 F 35kW is a regular, or heat-only, boiler. It is designed to operate as part of a traditional heating system with a separate hot water cylinder and typically a cold water storage tank.
This makes the boiler suitable for larger properties where a regular boiler system is already installed or where a heat-only system is specifically required.
Floor-Standing Under-Counter Installation
The boiler features a floor-standing design measuring 850mm high × 400mm wide × 600mm deep. Its under-counter format makes it suitable for installations in kitchens and utility rooms where the available space is designed around a floor-standing boiler.
Dimensions:
- Height: 850mm
- Width: 400mm
- Depth: 600mm
- Configuration: Floor standing
- Installation format: Under-counter
ErP A Efficiency Rating
The Worcester Greenstar 8000 F Regular has an ErP A efficiency rating, providing a high-rated efficiency classification for its central heating performance.
Touch Control Interface
A modern touch control interface provides straightforward operation of the boiler. The Greenstar 8000 F Regular is also Bosch EasyControl compatible, with an adapter required when used with regular boilers.
Solar Compatibility
The Greenstar 8000 F Regular is specified as solar compatible, allowing it to be incorporated into a suitable system design where solar integration is required.
Warranty & Installation Requirements
The boiler comes with a 7-year standard warranty, with up to 10 years available when installed and registered in accordance with the manufacturer's terms.
Installation and commissioning must be carried out by a qualified professional. In the UK, this means using a Gas Safe registered installer. Correct flueing, system design and commissioning are essential for appropriate performance and warranty compliance.
Important:
This listing is for the boiler unit only. Flue, controls, filter and other system accessories are typically purchased separately according to the requirements of the installation.
Ideal For
- Larger homes requiring a 35kW central heating output
- Properties using a separate hot water cylinder
- Regular and heat-only boiler replacement projects
- Floor-standing boiler installations in kitchens and utility rooms
- Systems requiring an ErP A-rated natural gas boiler
- Installations designed for EasyControl compatibility with the required adapter
- Suitable system designs incorporating solar compatibility
Frequently Asked Questions
What type of boiler is the Worcester Greenstar 8000 F 35kW?
It is a regular heat-only floor-standing boiler designed to work with a separate hot water cylinder.
What is the output of the Greenstar 8000 F 35kW Regular?
The boiler has a 35kW central heating output.
What fuel does this Worcester boiler use?
The Greenstar 8000 F 35kW Regular is designed for natural gas (NG).
Does this boiler require a hot water cylinder?
Yes. As a regular heat-only boiler, it is designed to work with a separate hot water cylinder.
What are the dimensions of the Greenstar 8000 F 35kW?
The dimensions are 850mm high × 400mm wide × 600mm deep.
Is the Worcester Greenstar 8000 F 35kW ErP rated?
Yes. The boiler has an ErP A efficiency rating.
Is it compatible with Bosch EasyControl?
Yes. It is EasyControl compatible, although an adapter is required when using EasyControl with a regular boiler.
Is the Greenstar 8000 F 35kW solar compatible?
Yes. The supplied specification states that the boiler is solar compatible, subject to a suitable system design.
What warranty does the boiler have?
The standard warranty is 7 years, with up to 10 years available when installed and registered according to the manufacturer's terms.
Does this listing include the flue and controls?
No. This listing is for the boiler unit only. Flue, controls, filter and system accessories are typically purchased separately to suit the installation.
Worcester Greenstar 8000 F 35kW Regular Boiler
The 7731600301 is a floor-standing 35kW natural gas regular boiler designed for larger homes using a separate hot water cylinder. With an ErP A rating, touch controls, solar compatibility, EasyControl compatibility with the required adapter and a standard 7-year warranty, it provides a practical heat-only boiler solution for higher-demand heating systems.
Order the Worcester Greenstar 8000 F 35kW Regular Boiler
Choose the Greenstar 8000 F for powerful heat-only central heating in larger domestic properties.
