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Maximise efficiency in all areas with a small but mighty gas combi boiler from City Plumbing.
Vaillant EcoFit Sustain 825C Combi Boiler 10020392
£1,480.97
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Looking for a reliable and energy-efficient heating solution for your home? Gas combi boilers, also known as combination boilers, are an excellent choice for homeowners across the UK. These compact units provide instant hot water and central heating without the need for a bulky water storage cylinder, making them perfect for small or medium-sized properties.
With a combi boiler, energy is only used when you need it, helping you save money on bills while reducing your carbon footprint.
What is a Combi Boiler?
Combi boilers are a water warmer and central heating boiler in one, with no bulky water storage cylinder. A combi boiler, or combination boiler, is a compact heating appliance that provides both domestic hot water and central heating from a single unit. Unlike traditional systems, it doesn’t require a separate hot water tank, heating water on demand when you turn on the tap.
By converting cold water to hot on demand, when the hot tap is turned on, you're only using energy for what you need rather than constantly heating a full water tank.
As there is no water storage, most of the components of a gas combination boiler are within the boiler itself. This space-saving style is popular with homeowners across the board.
Advantages of a combi boiler include:
- No bulky water cylinder needed, saving space in your home.
- Hot water is available instantly at the tap.
- Energy-efficient, using fuel only when needed.
- Easy installation compared to traditional heating systems.
Combi Boiler Prices & Costs
The cost of a gas combi boiler varies depending on its capacity and efficiency. Our gas combi boiler prices range from around £500 to £3,000 with a choice of sizes to suit most properties. Homeowners also need to factor installation costs.
When budgeting, consider the following:
- Combi boiler cost UK: price of the boiler itself.
- Combi boiler prices fitted: includes professional installation.
- Cost of a new combi boiler: factoring both product and installation.
Buy a new boiler today to take advantage of our free UK delivery on orders over £75. We also offer the option to Click & Collect from one of our hundreds of nationwide stores.
Which Gas Combi Boilers Can I Buy at City Plumbing?
We stock a wide range of gas combination boilers from leading brands such as:
Worcester Bosch
One of the best-known names in home heating, Worcester Bosch boilers are highly rated. Choose between models with varied heat output and horizontal or vertical flues. The Worcester Bosch Greenstar 4000 Combi Boiler 30kW is a best-seller, A-rated for energy efficiency and praised for its performance in areas with low water pressure.
Ideal Heating
If you're looking for a British-made gas combi boiler at a good price, browse the Ideal Heating collection. Their sleek models have a wide range of functions and easy-to-read displays. Look out for their Halo-compatible boilers that can be linked to wireless thermostats for accurate and flexible home heating control.
Viessmann
Rapid and reliable running is a guarantee with Viessmann gas combi boilers. Their models regularly appear in Which? Best Buy lists, and their Vitodens 111-W 32kW Integrated 46L Unvented Cylinder caters to homes with a high demand for hot water.
Combi Boiler Replacement & Upgrades
Replacing an old boiler? A combi boiler replacement is a cost-effective way to improve heating efficiency and reduce energy bills. Modern gas combination boilers are smaller, quieter, and more efficient than older models.
Consider upgrading if you:
- Have an outdated or inefficient boiler.
- Need faster, on-demand hot water.
- Want to reduce energy bills and carbon emissions.
- Are renovating or increasing your home’s heating requirements.
Why Choose City Plumbing Gas Combi Boilers
We've been supplying the plumbing industry and homeowners since the 1980s, so we know what you need from us. It's one of our core values to ensure quality, both in terms of the parts and products we sell and the advice and services we offer.
- Expert advice: Our team helps you choose the right gas combi boiler for your home.
- Top-quality products: Stocking only trusted brands like Worcester Bosch, Ideal Heating, and Viessmann.
- Convenience: Enjoy free UK delivery on orders over £75 or Click & Collect from hundreds of branches nationwide.
- Exclusive savings: Download our app to save 15% on your first in-app order and earn points through our rewards scheme Customer satisfaction: Our 5-star Trustpilot reviews from thousands of satisfied customers reflect this.
To save on your new gas combi boiler, download our app and save 15% on your first in-app order. And you can earn points on all City Plumbing purchases by signing up for our rewards scheme. Points can be converted to credit or used to claim further rewards.
Choosing the Right Combi Boiler For Your Home
When selecting a combi gas boiler, consider:
- Property size: Larger homes may need higher output models.
- Hot water demand: Multiple bathrooms or frequent simultaneous usage may require a larger combi boiler.
- Efficiency rating: Look for A-rated boilers to maximise energy savings.
- Installation requirements: Check space, pipework, and flue options.
- Budget: Compare combi boiler cost UK, combination boiler cost, and combi boiler prices fitted for the best value.
Use our branch locator tool to find your nearest City Plumbing showroom and speak to one of our heating experts today. Take the first step towards a more efficient, reliable heating system with a new gas combi boiler from City Plumbing.
Buy a Gas Combi Boiler from City Plumbing Today
With dozens of gas combination boilers at various prices, we've got the right products for you. You can filter by brand, heat output, cost or guarantee depending on your priority.
- Free UK delivery on orders over £75
- Click & Collect from hundreds of branches nationwide
- Expert Advice available in-store or via our customer service team
Any questions about your boiler or our services? Just drop in and speak to us at one of our hundreds of UK-wide branches. Use our branch locator tool to find your nearest showroom.
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