Why choose Worcester Bosch for your next central heating boiler?
Worcester Bosch is the number 1 boiler choice for millions of homeowners, who's focus is on both quality and value for money. Known as the installers choice 9 out of 10 boiler engineers would choose a Worcester Bosch for heating their homes.
"Which" best buy for 9 years running, scoring top marks for reliability and customer satisfaction
Worcester Bosch customers have consistently rated 5 stars on Trustpilot
We are Worcester Bosch Accredited Installers
Being accredited installers for Worcester Bosch we are able to offer extended boiler warranties of up to 10 years on every Bosch gas boiler installed by our expert gas boiler engineers.
Worcester Bosch gas boilers are designed and built using only the highest quality and best materials, its no wonder they have been awarded the coveted Which? Best Buy for the last 7 years.
Gasworks are experts when it comes to the Worcester Bosch range of boilers, our close working relationship gives us access to unrivaled product training and support.
This ensures no-one knows Worcester Bosch better than Gasworks.
Up to 10 Year Warranty on every gas boiler installed by Gasworks
WHICH? Best Buy winner for the last 9 Years
Worcester Bosch for peace of mind
Worcester Bosch boilers are built to last, but don't just take our word for it. In a recent Which? survey for gas boiler reliability, Worcester came out as the most reliable gas boiler brand on the market.
Nevertheless if you are experiencing an issue with your Bosch gas boiler, Worcester offer unrivaled support and backup 365 days of the year, this is further backed up by Gasworks.
Benefits of a Worcester Bosch Gas Boiler
• Up to 10 Year Warranty
• 365 Technical Support Helpline
• Which? Best Buy Winner
• Highest Parts and Components
• Best for Reliability
Which Heating and Hot water
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Worcester Bosch Combination Boilers
A combi or combination boiler is water heater and a central heating boiler in one compact unit. Combination boilers heat the water instantly when a tap or shower outlet is opened, this means you will not need a separate hot water cylinder.Because the hot water is heated as its used and not stored a combination boiler will be more efficient method for heating your hot water.
Advantages of a Worcester Bosch Combi Boiler
No need for a hot water cylinder
Compact and ideal for smaller properties
High pressure water at taps
Instant hot water when needed
Greenstar Combi Boilers
Combi boilers are a popular boiler solution for both heating and hot water in many smaller homes throughout Ireland. Worcester Bosch was one of the primary leads in the development of the combi boiler in the uk, with their range of Combi Boilers developed to suit virtually every property.
Convenience and Energy Saving
The Worcester Bosch Combi boilers have been designed and developed to ensure you get a high preforming boiler that will stand the test of time. Features include a keep hot facility which means hot water is almost instantly available, reducing water run off time at hot water outlets.
This feature is standard in all Worcester Bosch Combi boilers. In Addition to the keep hot facility, each Worcester Bosch Combi boiler will also have an ECO mode facility.
This is activated by pressing the dedicated ECO button on the boiler control panel, this feature will reduce gas usage but will increase water wastage.
Greenstar CDi Classic
The top of the range Worcester Bosch Combi Greenstar boiler. These high performing combis are suitable for most small, medium and large homes. This CDi Classic Combi is a wall mounted gas boiler which is known for its superb reliability and efficiency.
|Hot Water Output||30.9kW||35.0kW||40.0kW||42.0kW|
|Hot Water Flowrate||12.3ltr/m||14.3ltr/m||16.4ltr/m||17.2ltr/m|
High Flow rate of 17.2 ltr/min for larger homes
Low energy circulating pump
Includes Frost protection reducing the risk of freezing
Superb choice of additional controls options
Industry leader for efficiency
Greenstar CDi Compact
The smallest worcester bosch combi boiler, its compact design makes it an ideal boiler choice for installation in a standard kitchen cupboard. Despite its compact size, this boiler is capable of providing an excellent hot water delivery for most homes.
|MODEL||28CDi COMPACT||32CDi COMPACT||36CDi COMPACT|
|Hot Water Output||28.0kW||32.0kW||36.0kW|
|Hot Water Flow Rate||11.4ltr/min||13.1ltr/min||14.7ltr/min|
High Efficient innovative heat exchanger
Wide range of control options available
Easy to use display
Kitchen Cupboard Fit
Greenstar Si Compact
Suitable for small to medium sized homes with one Bathroom, this wall mounted compact boiler can be fitted in a variety of locations.
|MODEL||25Si COMPACT||30Si COMPACT|
|HOT WATER OUTPUT||25.0kW||30.0kW|
|HOT WATER FLOW RATE||10.2ltr/min||12.3ltr/min|
Frost Protection included
User Friendly boiler display
Fits in a standard kitchen cupboard
Additional control options available
The Greenstar i combi has taken up where the ever popular and reliable i junior has left off. This I junior successor is a superb boiler choice for apartments and homes with no more than 1 bathroom.
|Hot Water Output||25.0kW||30.0kW|
|Hot Water Flow Rate||10.2ltr/min||12.3ltr/min|
Easily Adjustable hot water temperature
Wide range of controls available
Greenstar HighFlow CDi
Designed for larger homes with high hot water and heating demands, this boiler is capable of up to 25ltr/min. Enough to comfortably supply continuous hot water to 2 bathrooms.
|MODEL||HIGHFLOW 440CDi||HIGHFLOW 550CDi|
|Hot Water Output||29.5kW||41.1kW|
|Hot Water Flow Rate||20.0ltr/min||25.0ltr/min|
Fits under a standard kitchen worktop
Wide Range of additional controls available
Ideal for larger homes
Frost Protection included
Worcester Bosch Combi Boilers Explained
Worcester Bosch System Boilers
A system gas boiler is the perfect choice for sealed central heating systems. They offer a tidier quicker installation than regular boilers, the main reason for this is the system gas boiler will contain the pump, expansion vessel, safety valve, automatic by pass, and frost protection.
System boilers do not heat the water directly and require a hot water storage cylinder, Solar hot water systems are also compatible with system gas boilers.
Worcester Bosch System Boiler Benefits
Ideal for homes with more than one bathroom
Suitable for small to large properties
Suitable for solar hot water systems
Excellent Control options available
Worcester Bosch - Greenstar i System (9kW to 24kW)
The Worcester Bosch I System gas boiler is our most popular gas boiler, it is available in 9KW, 12KW, 15KW, 18KW, 21KW and 24KW outputs, this broad range of outputs makes it an excellent replacement option for the small to medium sized homes. Being a system boiler, it incorporates the circulation pump, expansion vessel and pressure relief valve. All of which are covered during the term of the extended warranty. Warranties range from 7-10 Years depending on installation practices.
The boiler controls are both simple and easy to use incorporating a digital display screen, additional Worcester control options are available to use with the Greenstar i System boiler range. This allows for better preforming heating system increasing comfort while further reducing operational costs. The low energy circulation pump contained within the boiler, modulates to suit the boiler output this modulation results in reduced electrical usage.
- Digital Display
- Easy to use Boiler controls
- Compatible with Worcester Control Range
- 7-10 Year Warranty
- Energy Saving Circulation Pump
- Which? Best Buy Winner
- Reliability Tested
The most popular gas boiler we install, the system gas boiler range from Worcester Bosch are known for there quality components, engineering and reliability. These gas boilers are robust enough to meet the demands of almost any household.
Efficient and cost effective
The Worcester bosch greenstar system gas boilers contain many of the main heating parts, such as the circulation pump. This makes for a much tidier, quicker install and reduced maintenance costs while increasing efficiency.
Smart Compact Design
A neat looking boiler that is designed with your home in mind, the Greenstar system boilers space saving design makes them a perfect fit for a range of locations. Need an even smaller sized boiler unit? The system boiler also has a compact range for with a depth of just 270mm!
Worcester Bosch heating and hot water
The greenstar range of system boilers are fully compatible with a wide range of additional controls, which will increase your home comfort and efficiency. Take advantage of extended warranties available with the addition of a highly efficient Greenstore hot water cylinder from Worcester Bosch.
System Boilers can also be used with solar hot water systems.
Greenstar i System
The most popular Worcester Bosch system gas boilers, these boilers can be installed in a wide range of locations. Efficient, reliable and expertly designed this boiler will deliver years of high performance for your home.
|Central Heating Output||9.0kW||12.0kW||15.0kW||18.0kW||21.0kW||24.0kW|
All major parts are inside the boiler casing
Suitable for homes with hot water cylinders
Frost protection included
Easy to use boiler controls
Greenstar I System Compact
A smaller wall hung gas boiler, suitable for medium and larger sized homes. This compact boiler is designed to fit in a standard kitchen press, while still incorporating all the benefits of the system gas boiler.
|MODEL||27i SYSTEM||30i SYSTEM|
|Central Heating Output||27.0kW||30.0kW|
User Friendly Boiler Controls
Frost Protection included
Innovative Heat Exchanger
Will fit in a standard Kitchen cupboard
Greenstar CDi Classic System
A wall mounted high preforming and efficient boiler with an excellent reputation for reliability. Compatible with a wide range of controls for an even better performing heating system.
|MODEL||30CDi CLASSIC SYSTEM||35CDi CLASSIC SYSTEM|
|Central Heating Output||30.0kW||34.0kW|
Rapid Hot water Heat up when used with a Greenstore Cylinder
Industry Leader for Efficiency
Energy saving pump
Solar hot water compatible
Class Leading Worcester Bosch Boiler
Worcester Bosch System Boilers Explained
Watch The Video
Greenstar Regular/Heat Only Boilers
The Regular gas boiler does not contain the additional components found in both combis and system gas boilers. Such as the circulating pump, pressure relief valve, diverter valves, by pass valves, frost protection to name but a few.
Small Boiler Size
Because the regular gas boiler has less components and parts within the boiler casing, it is smaller in length, width and depth. This compact size allows for a neat and tidy looking installation, it will even fit inside your standard kitchen cupboard.
Designed for small to large sized homes, the Greenstar regular boiler range will improve your homes efficiency and comfort while lowering your carbon output. These robust reliable boilers are also an ideal installation solution when more than one boiler is required to meet the property's heating or hot water needs.
Worcester Bosch Boiler Range
Worcester Bosch - Greenstar Ri (12kW to 24kW)
The Worcester Bosch Greenstar Ri Condensing gas boiler is a compact heat-only boiler, available for both LPG and Natural Gas and four output sizes 12KW, 15KW, 18KW and 24KW making it an ideal boiler replacement option for small to medium sized homes. The compact size of this gas boiler makes for a comfortable fit in a standard kitchen cupboard. The Boiler also has built in frost protection, providing invaluable frost protection especially in the case of a loft, garage or boiler house installation. The boiler controls are both simple and easy to use, they comprise of a boiler thermostat and on/off switch. This user-friendly gas boiler comes with a 7-year warranty as standard when installed by Gasworks.
- User Friendly Controls
- Frost Protection
- 7 Year Warranty Bosch
- "Which" Best Buy Winner
- "A" Rated
- LPG and Natural Gas Models
- Available in 12KW, 15KW, 18KW and 24KW
Greenstar CDi Classic Regular
The top of the range regular gas boiler from Worcester Bosch, these wall mounted boilers are a superb choice for medium to large homes.
|MODEL||30CDi Classic||40CDi Classic|
|Central Heating Output||30.0kW||40.0kW|
Frost Protection included as standard
High Outputs ideal for large homes
Greenstar Ri 27kW and 30kW
A more budget friendly alternative to the CDi range of regular boilers, the high output Ri range are fully capable of meeting both the space heating and hot water requirements for medium to large sized properties. The compact size allows for a neat installation and despite its high output it will even fit in a standard kitchen cupboard.
|Central Heating Output||27.0kW||30.0kW|
Kitchen Cupboard Fit
Innovative Heat Exchanger
Additional Control options available
A neat wall mounted boiler that is ideally suited to small to medium sized homes, the Greenstar Ri boiler is a great boiler replacement option if your current gas boiler is in a kitchen cupboard.
Kitchen Cupboard fit
Frost Protection included
Can be used on open vented systems
Greenstar FS CDi regular
An excellent replacement choice for old floor standing gas boilers. This floor standing regular boiler offers exceptional reliability and heating comfort.
|MODEL||FS 30CDi||FS 40CDi|
Condensate pump included
Frost Protection Included
High Output to heating and hot water
Worcester Bosch Boiler Control Options
Worcester Bosch Controls Explained
A heating system will typically have some level of control, at the very basic level you would expect a programmer and room thermostat.
Here we briefly explain the different types of controls options available from Worcester Bosch.
Bosch Easy Control
Get complete heating control from your smartphone with the EasyControl. An aesthetically pleasing internet connected heating and hot water controller from Bosch.
Heating Zone Control
Combine the Bosch EacyControl with Smart TRVs and get total heating control. Control and set different comfort levels for bedrooms, bathrooms, living and kitchen.
So, if you prefer a cool bedroom at say 16 degrees and a warmer bathroom temperature, simply set the desired temperature levels at the given times. This is very easily done through the Bosch Easy Control app, where you can set several time and temperature controls for each heating control zone. Choose the time, the desired temperature, the day of the week etc.
Home Presence Detection
With the Bosch EasyControl, you'll never have to heat an empty house again. Using the latest location technologies, the controller will turn down your heat when you leave the house. This Smart EasyControl from Bosch will even turn your heating back on upon your return.
Improved Energy Efficiency
When installed with at least 3 Smart TRVs , the Bosch EasyControl will boost your Homes ErP Rating by 5%. Improving you BER rating and lowering your fuel bills
- Intelligent Boiler interaction increasing efficiency
- Provides Load Compensation
- Provides Weather Compensation
- Greater home heating control and comfort
Complete Boiler Control with Worcester Bosch
A room thermostat controls the temperature of air inside the property, enabling you to set the temperature you find most comfortable.
A programmer allows you to turn your heating on and off at specific times and days, so you can best suit your lifestyle #
Programmable Room Thermostat
A programmable room thermostat is a programmer and room thermostat all in one. This allows you to set desired on/off periods with temperature control.
Weather compensation is when your boiler will adjust its heat output depending on the current outdoor temperature. The cooler it is outside the higher the boiler output, the hotter the radiators will be.
This feature adjust the boilers heat output depending on the temperature difference between the current indoor temperature and the target temperature.
Greenstar Comfort Plugin Programmer
Easy To Use
7 Day Heating & Hot Water
Programmer Back Lit Display
Greenstar Sense II Weather Compensation
Service Reminder Function
"A+" Rated System
Stylish intelligent control
MT10 Plug-in Mechanical Timer
Easy To Use
24 Hour Timer
Greenstar Comfort II Wireless Programmable Stat
6 On/Off Periods Per Day
Greenstar Comfort RF Wireless Thermostat
Provides Load Compensation
No Wiring Required
Works With 230V Existing Timers/Programmers
Greenstar Sense I Intelligent Room Thermostat
Compatible with 230v timers and programmers
25 Year Guarantee On Worcester Bosch Cylinders
Rapid Heat Up Times
Hot Water Storage Solutions From Worcester Bosch
If you have or a looking to have, or are looking to install a system or heat only gas boiler. Then you will need a hot water cylinder, the hot water cylinder will provide and store the hot water for usage at the taps and shower outlets.
The hot water cylinder is heated from your central boiler by sending the heated water through the cylinders heat exchanger or coil.
Enhanced efficiency and performance
Older cylinders are usually inefficient, they are usually poorly insulated and may have a high level of limescale inside. This build up of limescale will increase hot water heat up times and decrease efficiency.
Even if your insulated cylinder is just over 10 years old it will lose more heat than a modern one, and it may be worthwhile replacing.
Worcester Bosch Greenstore Pressurised Cylinder
The Greenstore range of hotwater cyinders are exceptionally high performance cylinders with rapid heat up times and superb efficiency. They come in a wide range of sizes from 90 litres to 300 litres available, you can match your hot water usuage perfectly.
Designed for use on pressurised water systems, Greenstore cylinders are the perfect choice for pressurised hot water storage. These cylinders can be used with both regular and system gas boilers, and are the perfect partner for the Worcester Bosch System Boilers. So if you would like to benefit from an increased performance, rapid heat up times and increased energy savings, choose a Worcester Bosch Greenstore Cylinder to meet your hot water needs.
Solar Hot Water Cylinders
Thinking of adding Solar panels in the future? Why not future proof your hot water system with a solar hot water cylinder from Worcester Bosch. The Greenstore Solar hot water cylinders have been designed for solar hot water heating, with storage capacity's ranging from 150 to 300litres.
The Magnetic Filter Range from Worcester Bosch
Over time the water quality in your central heating system can gather harmful deposits and debris. These deposits can affect both the boiler, radiators and all of the heating system components.
Worcester Bosch Condensing boilers are highly engineered machines designed to operate with good quality water. When the central heating systems water is of a poor quality it can cause blockages and damage to both the boiler and the entire heating system. The efficiency of the heating system will also decrease as well as the lifespan of the boiler.
Worcester Bosch Boiler Protection
The Greenstar System Filter from Worcester Bosch will protect your boiler from the damage caused by sludge deposits, maintain efficiency and prolong the boilers lifespan.
Worcester Bosch 10 YEAR Guarantee
Bosch is a brand renowned for quality, each product from Bosch is manufactured to the highest standards, with intense testing.
When you purchase a Worcester Bosch boiler from Gasworks you will receive a full parts and labour guarantee for 10 YEARS.