A system boiler has a separate cylinder for storing water and the hot water is stored in the cylinder.
A system boiler powers your central heating while working alongside a hot water cylinder, allowing hot water to be stored and supplied to multiple taps and showers at the same time. Unlike combi boilers, system boilers are better suited to homes with higher hot water demand, as they can deliver consistent pressure across several outlets. If you have a larger household with more people, multiple bathrooms, or higher daily usage, a system boiler is well worth considering.
A system boiler has a separate cylinder for storing water and although the heating and water systems are built into the boiler, the hot water is stored in the cylinder. Meaning that you can access a continuous hot water supply from multiple water points. For instance, a property with more than one bathroom would benefit from a system boiler.
System boilers are generally much quicker and also much more economical to run than traditional boilers. This is because the boiler itself pumps hot water directly to the radiators and the hot water storage cylinder from its internal pump and expansion vessel.
Best suited for:
May not suit:
If you are unsure our experts will help you decide if a system boiler is the right choice.
System boilers are less complicated to install and cause less disruption during the installation process than conventional boilers. There are also fewer parts to the system, meaning they take up much less space. Due to the built-in components, installation is much quicker and less intrusive.
With over 30 years of experience in the boiler industry, we are confident that our team of experts is ready and capable of handling every phase of your system boiler installation.
We are the nationwide No.1 Diamond accredited installers of Worcester Bosch central heating systems and all of our installers are Gas Safe certified with plenty of professional experience.
In addition to Bosch, JW Heating services are accredited installers of Main and Valiant, along with many other leading manufacturers of boilers and central heating systems.
At JW Heating Services, we combine experience, expertise, and a customer first approach to deliver outstanding heating solutions.
Why customers across the North West choose us:
We understand how important heating and hot water are, and we are committed to delivering dependable service you can rely on.
We’re proud of our reputation across Warrington and the North West. Read our genuine customer reviews and see why homeowners trust us for new boilers, repairs, and servicing.
We make getting a new boiler fitted simple and stress free in 5 simple steps:
Discovery Call
Speak with our friendly, expert team to discuss your home, heating requirements, and budget.
Choose Your Boiler
We’ll recommend tailored boiler options based on your home’s size, usage, and efficiency goals.
Installation
Our Gas Safe Engineers install or replace your boiler safely and with minimal disruption.
Maintenance
We’ll maintain your boiler performance with ongoing care, support, and annual servicing.
Don’t let upfront costs hold you back. We offer flexible system boiler finance options, so you can pay monthly and spread the cost of your new boiler installation. Whether you’re looking for 0% interest or longer-term payment plans, our system boiler finance deals are designed to suit your budget.
We provide system boiler installation services across the North West, with our main base located at:
Our team regularly installs system boilers across:
Warrington, Manchester, Liverpool, Wigan, St Helens, Stockport, Bolton, Preston, Wirral, Oldham, Leigh, Crewe, Chester, Wrexham and surrounding areas.
View all the areas we cover.
System boilers are ideal for homes with higher hot water demand and multiple bathrooms.
A system boiler will typically last around 10 to 15 years, but its lifespan largely depends on how well it is maintained and looked after over time. Regular boiler servicing plays a key role in keeping the boiler running efficiently, safely, and reliably, helping to prevent wear and tear from turning into more serious issues.
A system boiler can comfortably run multiple bathrooms at the same time, as it works alongside a hot water cylinder that stores heated water ready for use. This means you can run two or more showers or taps simultaneously without experiencing a drop in pressure or temperature, which is a common limitation with smaller combi boilers.
A system boiler installation typically takes between 1 and 3 days, depending on the type and how complicated the installation is. A straightforward replacement, where an existing system boiler is swapped for a new one in the same location, is usually completed within 1 day. However, if you are converting from a different type of boiler, such as a combi or regular system, or making changes to your heating setup, including installing or upgrading a hot water cylinder, the process can take 2 to 3 days or slightly longer.
If you are looking for system boiler installation in the North West, trusted heating engineers, or a reliable team for your boiler replacement, JW Heating Services is ready to help. From our base in Warrington, we deliver high quality installations across the region with expert advice and exceptional service.
Contact us today to arrange your free quote.
John Wilkinson Heating Services Ltd, Company number 07645851, of Registered Office, Homeserve, Cable Drive, Walsall, West Midlands, WS2 7BN.
Principal office located at 7A The Warehouse Studios, Glaziers Lane, Culcheth, Warrington, Cheshire, WA3 4AQ
Company Registration 01276121. Registered Office Homeserve, Cable Drive, Walsall, England WS2 7BN. Shermin Finance Limited act as a credit broker not a Lender, finance is subject to status and affordability.
John Wilkinson Heating Services Ltd is an Appointed Representative of Shermin Finance Ltd.
JW Heating Services is your trusted local boiler company, providing a range of plumbing and heating services, including new boiler installations, in the Northwest of England and some parts of Wales.
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