Worcester Bosch Greenstar 8000 F 35kW Combi Boiler (7731600297) is a powerful floor-standing condensing gas boiler designed for large, high-demand family homes. Combining strong central heating performance with generous domestic hot water flow rates, this Greenstar 8000 F model is well suited to busy households with multiple bathrooms and simultaneous heating and hot water requirements.
Worcester BoschGreenstar 8000 F35kW Combi BoilerFloor Standing
Output
35kW
Fuel
Natural Gas
Hot Water
Up to 12 L/min
Model
7731600297
High-Demand Performance
The 35kW floor-standing combi is designed for larger homes with multiple bathrooms and demanding heating and hot water requirements.
Compact Floor-Standing Design
At 850mm high with a 600mm x 600mm footprint, the boiler is designed for convenient installation beneath standard kitchen worktops or in utility spaces.
Installer-Friendly
The pre-piping roller jig, rear pipework arrangement and SimpleSwitch connections help simplify installation and replacement of compatible Greenstar floor-standing boilers.
Smart & Intuitive Controls
Features a full-colour long-text display with backlit touch buttons and compatibility with Worcester Bosch EasyControl and other suitable controls.
Specifications
| Brand |
Worcester Bosch |
| Range / Family |
Greenstar 8000 F |
| Product type |
Floor-standing condensing gas combi boiler |
| Model / MPN |
7731600297 |
| Fuel |
Natural Gas (NG) |
| Nominal output |
35kW |
| Central heating output range |
Approx. 5.1 – 33.8kW |
| Hot water flow rate |
12 L/min at ΔT 40°C; approx. 14.2 L/min at ΔT 35°C |
| ErP water heating efficiency |
A-rated |
| Dimensions |
850mm (H) x 600mm (W) x 600mm (D) |
| Sound power level |
Approx. 52 dB(A) |
| Maximum flue length |
4m horizontal / 6.4m vertical for 60/100mm flue before elbow deductions |
| Control compatibility |
Worcester Bosch EasyControl and other suitable controls |
| Country of manufacture |
United Kingdom |
Installation & maintenance
The Greenstar 8000 F is designed with installer-friendly features including a pre-piping roller jig, rear pipework layout and SimpleSwitch connections for compatible Greenstar CDi Highflow and FS CDi floor-standing boiler replacements. Space is also provided within the appliance for a Worcester Bosch 22mm Greenstar System Filter. Installation should be completed by a suitably qualified heating professional, with regular servicing recommended to maintain safe and efficient operation.
Warranty & next steps
The boiler is available with extended guarantee options when installed by an eligible Worcester Bosch Accredited Installer, subject to the applicable terms and conditions. Before purchasing, check the latest manufacturer guarantee requirements, installation clearances, flue configuration and control compatibility to ensure the Greenstar 8000 F 35kW is suitable for your property.
At GetPlumb, we strive to provide reliable and cost-effective delivery options to our customers. Please review our shipping policy below.
🆓 Free Local Delivery (Orders £100 & above)
We offer FREE delivery on orders £100 or more
for selected local areas.
Eligible Postcodes Include:
- RG*
- SL*
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- HP1*, HP3*, HP8*, HP9*, HP10*, HP11*, HP12*, HP13*, HP14*
- WD*, HA*, UB*, TW*, KT*
- W1* – W9*
- NW*, SW*
Delivery Time: 2–4 working days
Shipping Cost: £0.00
📦 Standard Shipping (Weight-Based Rates)
For orders that do not qualify for free delivery, standard
shipping rates apply based on total cart weight.
- For cart weight between 0–2 kg, the shipping cost is £4.50 with a delivery time of 2–4 working days.
- For cart weight between 2–24 kg, the shipping cost is £9.99 with a delivery time of 2–4 working days.
- For cart weight between 24 kg and above, the shipping cost is £60 with a delivery time of 2–4 working days.
🧱 Block Salt (Harvey’s) – Unit-Based Shipping
This rate applies only to Harvey’s block salt products.
- £7.99 is charged for every 3 items.
- The charge increases by £7.99 for each additional set of 3 items.
Examples:
- 1–3 items → £7.99
- 4–6 items → £15.98
- 7–9 items → £23.97
Delivery Time: 2–4 working days
📏 Large / Long Items (Length-Based Shipping)
For oversized items where the product length is 1.5 metres or more:
Conditions:
- Product length ≥ 1.5 m
- Cart weight ≤ 40 kg
Shipping Cost: £18.00 (flat rate)
Delivery Time: 2–4 working days
Collection from Store
Customers can also choose to collect their order from our store in
Reading, UK, at no additional charge. For any questions regarding shipping, please contact our support team at online@getplumb.co.uk.