Worcester

Worcester Bosch Greenstar 8000+ 32kW Gas Combi Boiler - 7736702578

Worcester

Worcester Bosch Greenstar 8000+ 32kW Gas Combi Boiler - 7736702578

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£1,702.00 GBP inc. VAT
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Worcester Bosch Greenstar 8000+ 32kW Natural Gas combi boiler 7736702578. Premium A-rated boiler with 13.7L/min DHW flow, 94% seasonal efficiency, full-colour controls and up to 12-year guarantee subject to Worcester Bosch terms.

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Worcester Bosch Greenstar 8000+ 32kW Gas Combi Boiler - 7736702578

The Worcester Bosch Greenstar 8000+ 32kW Gas Combi Boiler - 7736702578 is a premium Natural Gas combination boiler designed for modern homes requiring strong central heating performance and dependable instantaneous domestic hot water.

Part of Worcester Bosch's flagship Greenstar 8000+ range, the GR8701iW 32 C NG combines powerful performance with a modern white casing, full-colour display, backlit touch controls and installer-friendly features designed to make fitting, servicing and everyday operation straightforward.

With a maximum domestic hot water output of 32kW, up to 29.6kW central heating output and a hot water flow rate of up to 13.7 litres per minute at a 35°C temperature rise, the Greenstar 8000+ 32kW is well suited to medium to larger homes with one main bathroom and demanding hot water requirements, subject to correct system sizing and mains water pressure.

Key Features

  • Premium Worcester Bosch Greenstar 8000+ combination boiler
  • Manufacturer part number: 7736702578
  • Model: GR8701iW 32 C NG
  • Natural Gas condensing combi boiler
  • 32kW maximum domestic hot water output
  • Maximum central heating output: 29.6kW at 80/60°C
  • DHW flow rate: 13.7L/min at a 35°C rise
  • DHW flow rate: 12L/min at a 40°C rise
  • ErP A-rated space heating efficiency
  • ErP A-rated water heating efficiency
  • 94% seasonal space-heating efficiency
  • 87% water-heating efficiency
  • Full-colour display with backlit touch controls
  • Pre-plumbing jig supplied for easier installation
  • Rear piping capability
  • Large condensate siphon
  • Compatible with optional Worcester Intelligent Filling System
  • Compatible with Bosch EasyControl and selected Worcester controls
  • Compact side clearances of just 5mm
  • Wall-mounted internal installation
  • Low NOx emissions
  • Up to 12-year guarantee available subject to Worcester Bosch terms and qualifying installation

Boiler Specification

  • Brand: Worcester Bosch
  • Range: Greenstar 8000+
  • Model: GR8701iW 32 C NG
  • Product Type: Gas Combination Boiler
  • Manufacturer Part Number: 7736702578
  • EAN / GTIN: 4069143014233
  • Gas Council Number: 47-800-44
  • Fuel Type: Natural Gas
  • Boiler Type: Condensing Combination Boiler
  • Maximum DHW Output: 32kW
  • Maximum CH Output at 80/60°C: 29.6kW
  • Maximum CH Output at 50/30°C: 31.0kW
  • CH Modulation / Output Range: Approx. 5.1-29.6kW
  • DHW Flow Rate at 35°C Rise: 13.7L/min
  • DHW Flow Rate at 40°C Rise: 12L/min
  • Declared Load Profile: XL
  • ErP Space Heating Class: A
  • ErP Water Heating Class: A
  • Seasonal Space Heating Efficiency: 94%
  • Water Heating Efficiency: 87%
  • Sound Power Level: 53dB
  • NOx Emissions: 30mg/kWh
  • NOx Class: Class 6
  • Maximum Horizontal 60/100 Flue Length: 17m, subject to installation manual and approved flue configuration
  • Maximum Vertical 60/100 Flue Length: 21m, subject to installation manual and approved flue configuration
  • Expansion Vessel Capacity: 10 litres
  • Maximum Heating System Pressure: 2.5 bar
  • Protection Rating: IPX4D
  • Mounting: Wall Mounted
  • Installation Location: Internal
  • Colour: White
  • Height: 780mm
  • Width: 440mm
  • Depth: 365mm
  • Appliance Weight: 47kg
  • Lift Weight: 41kg with front and side panels removed
  • Total Packaged Weight: 55kg

Smart & Convenient Controls

The Greenstar 8000+ features a modern full-colour display with backlit touch controls for intuitive operation and diagnostics. It is compatible with selected Worcester Bosch controls including Bosch EasyControl, allowing a professionally designed heating system to offer enhanced comfort and control.

Installer-Friendly Design

  • Pre-plumbing jig supplied as standard
  • Rear piping capability
  • Accessible wiring connections
  • Drop-down control fascia for servicing
  • Front-access pressure relief valve
  • Large condensate siphon designed to help reduce freezing risk
  • Optional Intelligent Filling System compatibility
  • Digital system pressure display

Ideal For

  • Medium to larger homes
  • Properties with one main bathroom
  • Homes requiring strong instantaneous hot water performance
  • Replacement combi boiler installations
  • Modern heating system upgrades
  • Properties requiring a premium Natural Gas combi boiler

Guarantee Information

The Greenstar 8000+ is supplied with a standard 8-year guarantee. Worcester Bosch currently offers a 10-year guarantee when installed with a qualifying Greenstar System Filter, with up to 12 years available through qualifying Worcester Bosch loyalty / accredited installer arrangements. All guarantee periods are subject to Worcester Bosch registration, installation, servicing and promotional terms.

Important Product Note

This listing is for the Worcester Bosch Greenstar 8000+ 32kW Natural Gas Combi Boiler - 7736702578.

Flue kit, system filter, heating controls, chemicals, pipework, fittings and installation accessories are not included unless specifically stated elsewhere in the product listing.

Always confirm the required flue arrangement, heating load, domestic hot water requirement, mains water pressure and system design before ordering. Maximum hot water flow rates depend on adequate dynamic mains pressure and incoming water temperature.

Professional Installation Required

This gas boiler must be installed, commissioned and registered by a suitably qualified Gas Safe registered engineer. Installation must comply with current UK gas safety requirements, Building Regulations and Worcester Bosch installation instructions.

Delivery Times 
All our deliveries are made by some of the countries most trusted couriers, including Royal Mail, PacelForce, DHL , Fastway Curriers. For most larger sized deliveries, you will receive a call from the courier an hour before the scheduled delivery time.

Free Delivery
Free delivery when you spend £150+ on all our stocked items, up to the maximum 20kg in weight (UK & Ireland Only) To be eligible for this service, you must place your order before 1pm on the previous day. 

Delivery Drop Off
It is important to note that we use external shipping couriers. They are responsible for delivering the item(s) to the kerb-side. They are not responsible for delivering items into your home*.
*Please note, for large orders we advise that you seek assistance from friends or neighbours to assist with moving your order, as often the driver will not be able to assist you. Some items may be delivered on a pallet. It is your responsibility to dispose of the pallet, however, we recommend keeping it for the first 14 days in case you need to return your item(s).

Failed Deliveries
In the unlikely event that delivery is attempted when you are not at home, we will contact you by phone and re-book another time that suits you. Please note, there may be a re-delivery charge added at our discretion, which will be reviewed on a case by case basis.

Direct Deliveries from Distribution Centers
To help you receive your items as quickly as possible, parts of your order may be dispatched directly from a distribution center (Ie) Amazon. If this is the case, you will be contacted directly by them to arrange delivery for the products concerned. Please note, these items will arrive at a different time to products dispatched from our head warehouse. Some distribution centers may take between 2-3 days to deliver items.

Non-Stocked Items
Some items are ordered into our warehouse especially for your orders. This means there may be additional lead times on your order arriving. The estimated delivery time for non-stocked items is 5-7 working days. 
For orders that contain a mixture of stock and non-stock items, excluding items delivered directly from distribution centers, we will deliver all items together. We will make you aware of this when we phone or email you to confirm the delivery date. You will be given the option to receive them separately as well, however there may be additional shipping charges.

Shipping Rates
All Orders to the UK & Ireland *ONLY*up to 20kg £150+ is Free
Pallet Rates are priced on application and order... delivery lead times will also vary based on post code.

Returns
Returns are subject too a 50% re-stocking charge.

  • Items installed/fitted without professional understanding IE Oftec/SafeGas Registered Installer certificates, invalidate any warranty of said item bought.. This is however is at the companies discretion.
  • All products must be inspected within 24hrs. Goods are non-returnable after this period. 

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
Several types of goods are exempt from being returned. Goods including but not limited to printed circuit boards, control boxes, chemicals, hazardous materials, flammable liquids or gases. Please ask if you are unsure if you can return your goods.
Some items are not returnable such as PCB Boards and Boilers if they are opened, There also will be a 25% Handling fee for All Items if accepted for return.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer unless otherwise instructed by Spares Direct.
There are certain situations where only partial refunds are granted (if applicable):

  • Any item not in its original condition, is damaged or missing parts for reasons not due to manufacturer / supplier error.
  • Any item that is returned more than 30 days after delivery

Refunds (if applicable)
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund. If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late or missing refunds (if applicable)
If you haven’t received a refund yet, first check your bank account again. Then contact your credit card company, it may take some time before your refund is officially posted. Next contact your bank. There is often some processing time before a refund is posted. If you’ve done all of this and you still have not received your refund, please contact us at info@sparesdirect.ie

Sale items (if applicable)
Only regular priced items may be refunded, unfortunately sale items cannot be refunded.

Exchanges (if applicable)
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at info@sparesdirect.ie and send your item to: Unit 5 Dargan Industrial Park, 62 Dargan Crescent, Belfast BT3 9JP.

Unwanted goods or Failed deliveries of items bought
If for any reason you order from us and the item has been shipped, but you no longer wish to have the item, the goods should be returned to us at the consumers cost. The price of goods will be refunded upon delivery/inspection (please note carriage cost will NOT be refunded. This also applies to missed deliveries/collection of goods from currier depot. 

Shipping
To return your product, you should mail your product to: Unit 5 Dargan Industrial Park, 62 Dargan Crescent, Belfast BT3 9JP.
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the cost of return shipping will be deducted from your refund.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.
If you are shipping an item over £50, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.