
Why pre-plumbed cylinders are becoming the standard for air source heat pump installs
As demand increases for air source heat pumps (ASHPs) installations, so has the opportunity to look for ways to reduce installation time and deliver consistent, high-quality workmanship. One product that is increasingly helping achieve this is a pre-plumbed cylinder.
Traditionally, installing a heat pump involves assembling multiple hydraulic and electrical components. Whilst experienced installers are well equipped to do this, it can be time consuming and leaves room for installation variability.
Using a pre-plumbed air source heat pump (ASHP) cylinder takes a different approach. With key components already integrated and factory assembled, they simplify installation, reduce on-site work and help deliver a neat finish.
In this article, we’ll look closer at:
Why more installers are choosing pre-plumbed cylinders
Installation benefits of pre-plumbed cylinders
Safety testing and quality standards
Support from Baxi
Why more installers are choosing pre-plumbed cylinders
The rising demand for ASHPs also means there is an increased requirement for compatible hot water cylinders. Homeowners are increasingly looking at efficient ways to heat their properties and have a reliable hot water supply, which makes a heat pump with a compatible pre-plumbed cylinder a viable choice.
Standardised, factory-built products help improve consistency, reduce work hours due to less time integrating components on-site. It also minimises the risk of potential installation errors.
Conventional hot water cylinder installations often mean connecting a range of components which require careful installation and operational checks. The wiring element of every project can often be one of the most challenging parts of an installation. Some pre-plumbed cylinders, like other Baxi ASHP Pre-plumbed Cylinder, also offer pre-wired components to further streamline the installation process.
Installation benefits of pre-plumbed cylinders
Pre-plumbed ASHP cylinders typically offer a more compact installation footprint that can address space limitations and minimise disruption for the homeowner. The integrated components such as the controller, low loss header, and even space for a magnetic filter and volumiser if required, means that less installation space overall is taken up.
Our pre-plumbed cylinder also includes an integrated circulating pump, diverter valve and backup heater, all tested, validated and optimised to work with our range of ASHPs and covered by our 2-year warranty*.
Electrical wiring can often be one of the more time-consuming and challenging aspects of a cylinder installation. Pre-wired cylinders reduce the amount of electrical work required by having key components already wired during manufacture. You can simply complete any outstanding electrical connections required to meet each unique install. This helps make the install more straightforward and saves time whilst minimising the potential risk of errors and associated callbacks.
For housing developments, pre-plumbed and pre-wired cylinders offer a streamlined approach and consistency in installation finish.
Commissioning can be seen as complex, particularly when multiple components are involved, needing to be checked and configured. Baxi’s ASHP Pre-plumbed Cylinder has built in Bluetooth connectivity, providing easy access to the Baxi commissioning tool via the Baxi START App. The integrated controller offers a range of intuitive features to optimise the installation to effectively manage the heating and hot water settings.
Safety testing and quality standards
Quality and safety remain a priority on every installation. By reducing the amount of on-site pipework, wiring and component installation, risk of errors can be minimised whilst supporting a more consistent, quality installation. Factory assembly and testing provides additional confidence, giving you and the homeowner full peace of mind that everything will work as expected.
Support from Baxi
At Baxi, we’re here to support you on your journey to becoming a heat pump installer. This means giving you the resources to develop your skills and enable you to feel confident carrying out installs across the country.
Completing one of our air source heat pump training courses can support you on the transition to low carbon installations and enable you to learn more about our range of ASHPs and cylinders. You’ll be able to develop your skills and knowledge to take advantage of a growing market. Discover our range of courses here, or get in touch below and one of our dedicated experts will contact you to find discuss how we can help.
Looking to simplify your next installation? Take a look at our ASHP pre-plumbed cylinder here.
*Terms & Conditions apply
Baxi Training
Discover our comprehensive range of courses and videos designed to enhance your skills and knowledge.
Become a Baxi Heat Pump Installer
Develop the in-depth skills, knowledge and confidence through our practical hands-on training on our air source heat pump range, earning you points and rewards too.


