Worcester Bosch Greenstar 32CDi Compact
The Worcester Bosch Greenstar 32CDi Compact was one of the most capable compact combi boilers in the Greenstar range and remains installed in many homes today.
While it is no longer manufactured, this page explains its specification, who it was designed for and your options for servicing, repairs or replacement. We continue to service and repair this model regularly across Buckinghamshire, Berkshire, West London and surrounding counties.
Need help with your 32CDi Compact? Contact our Worcester Bosch accredited and Gas Safe engineers.
What is the Greenstar 32CDi Compact?
The Greenstar 32CDi Compact is a wall-mounted gas combi boiler and the mid-range model in the Greenstar CDi Compact series. Sitting one step up from the 28CDi Compact, it offered a higher hot water output and flow rate, making it a stronger choice for homes with greater hot water demand while still fitting inside a standard kitchen cupboard.
Despite its compact dimensions, the 32CDi Compact delivered strong performance thanks to Worcester Bosch’s WB7 heat exchanger. It provided instant hot water on demand from the mains without the need for a cylinder or storage tank, and was one of the most popular choices for medium-sized homes where space and performance both mattered.
The 32CDi Compact was part of the Greenstar CDi Compact range, which offered the performance of the larger CDi Classic in a cupboard-sized footprint. > Explore the full Worcester Bosch Greenstar range
Greenstar 32CDi Compact: Key Specifications
Boiler type: Combi boiler
Central heating output: 24kW
Hot water output: 32kW
Efficiency rating: A rated / 90.5%
Fuel type: Natural gas or LPG
Dimensions: 690mm x 390mm x 280mm
Flow rate: 13.1 litres per minute
Frost protection: Yes
Smart control compatible: Yes, including Bosch EasyControl
Suitable for: 2 to 3 bed homes, up to 15 radiators, 1 to 2 bathrooms
Who is this boiler suitable for?
The 32CDi Compact was designed for small to medium homes where a compact boiler was needed but hot water demand was slightly higher than the 28CDi Compact could comfortably meet. It is best suited to properties with:
- 2 to 3 bedrooms
- 1 to 2 bathrooms
- Up to 15 radiators
- No existing hot water cylinder
- Limited installation space, such as a kitchen cupboard
The higher flow rate of 13.1 litres per minute compared to the 28CDi Compact makes this model a better choice for homes that need to supply two bathrooms reliably. If you already have a 32CDi Compact installed and are unsure whether to service, repair or replace it, our engineers can assess your system and give you honest advice.
Servicing and repairing your Greenstar 32CDi Compact
Although the 32CDi Compact is no longer manufactured, it can still be serviced and repaired. Parts remain widely available for this model and our Gas Safe engineers carry out full services and fault diagnosis across Buckinghamshire, Berkshire, West London and surrounding counties.
Regular servicing is important for any boiler, but particularly for older models. An annual service helps to:
- Maintain efficiency and keep running costs down
- Identify worn components before they cause a breakdown
- Keep your boiler operating safely
- Satisfy any remaining warranty or insurance requirements
If your 32CDi Compact has developed a fault, our engineers carry a wide range of Worcester Bosch parts and aim to resolve most repairs in a single visit.
When to consider replacing your 32CDi Compact
If your boiler is over 12 to 15 years old or experiencing repeated breakdowns, replacement is often the more cost-effective long-term decision. The 32CDi Compact has been replaced by the Worcester Bosch Greenstar 4000, which offers meaningful improvements across efficiency, warranty and controls while maintaining a compact footprint.
The Greenstar 4000 30kW is the natural modern equivalent for homes currently running a 32CDi Compact. It delivers better efficiency, a longer warranty and full compatibility with the Bosch EasyControl smart thermostat.
Greenstar 32CDi Compact vs Greenstar 4000 30kW
- Efficiency: 90.5% vs up to 94%
- Warranty: 2 to 5 years vs up to 10 years
- Controls: Basic display vs smart control ready
- ErP rating: A rated vs A rated
- Status: Discontinued vs current model
> Learn more about the Greenstar 4000
Why choose Heppelthwaite – Red Van Plumbers?
Fewer than 5% of UK installers achieve Worcester Bosch Platinum Accredited status. As Platinum Accredited Installers, we install, service and repair the full Greenstar range, including legacy CDi Compact models, across Buckinghamshire, Berkshire, West London and surrounding counties.
- Platinum Accredited Worcester Bosch Installers
- Family-run business established 1948
- Gas Safe registered engineers
- Free fixed quotations with no hidden costs
- Up to 10-year warranty available on new Greenstar 4000 installations
> Request a free quote or call 01628 533 550
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FAQs – Worcester Bosch Greenstar 32CDi Compact
Is the Worcester Bosch Greenstar 32CDi Compact still available to buy?
No. The 32CDi Compact is no longer manufactured. The modern equivalent is the Worcester Bosch Greenstar 4000 30kW combi boiler, which offers improved efficiency and a longer warranty while maintaining a compact design.
Can the Greenstar 32CDi Compact still be serviced?
Yes. Parts remain widely available and our Gas Safe engineers service and repair all CDi Compact models across Buckinghamshire, Berkshire and West London. Annual servicing is recommended to maintain efficiency and safety.
What replaced the Greenstar 32CDi Compact?
The Greenstar 32CDi Compact was replaced by the Worcester Bosch Greenstar 4000. The 4000 offers up to 94% efficiency, smart control compatibility and up to a 10-year warranty when installed by a Platinum Accredited Installer.
How efficient is the Greenstar 32CDi Compact?
The 32CDi Compact achieves 90.5% seasonal efficiency with an ErP A rating. Modern replacements such as the Greenstar 4000 achieve up to 94%, which can make a noticeable difference to running costs over time.
Will the Greenstar 32CDi Compact fit in a kitchen cupboard?
Yes. The 32CDi Compact was specifically designed to fit inside a standard kitchen cupboard at 690mm x 390mm x 280mm. This compact footprint made it an ideal choice for homes needing higher hot water output without sacrificing installation space.
How long should a Greenstar 32CDi Compact last?
With regular annual servicing, a well-maintained 32CDi Compact can last between 12 and 15 years. If your boiler is approaching or has exceeded this age, it may be worth considering a boiler replacement to avoid repeated repair costs.
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