2. FAQs

FAQs

How can we help?

We've shared the answers to some of the most frequently asked questions about key issues that are important to you.

  • All FAQ's

  • Baxi Packaged Solutions

  • Commercial

  • Heat Pumps

  • Heat Interface Unit

  • Professional

  • Training

Heat Interface Unit (HIU) efficiency 

Using a twin plate HIU (indirect Heating & Domestic Hot Water) as an example, there are a few ways in which product efficiency can be measured. Read more..

Read more

Heat Interface Unit (HIU) pros and cons

Find out the pros and cons of Heat Interface Units (HIUs) here at Baxi FAQs...

Read more

How to reset pressure on my Heat Interface Unit (HIU)? 

Watch this video to find out how to reset pressure on my Heat Interface Unit (HIU)...

Read more

What is the price of a HIU (Heat Interface Unit)?

Average cost for a Heat Interface Unit (HIU) can be from around £800 to £1500, depending on the HIU type, performance of the unit and equipment provided.

Read more

What support is available in the design of my system?

Our Application Engineers can assist in advising clearances, dimensions, and possible locations for consideration. Find out more...

Read more

What support is available for installation / set up of the Heat Interface Unit (HIU)?

Baxi’s technical helpline supports you at every step of your installation & commissioning process. Find out more about training & enhanced warranty here.

Read more

How often does a Heat Interface Unit (HIU) need servicing?

Heat Interface Units (HIUs) have an annual maintenance requirement to ensure safe working and optimum performance. Find out more...

Read more

Are the Baxi AquaHeat HIUs compatible with our range of boilers, water heaters and cylinders?

At Baxi we have a broad range of products to help meet our customers needs. Find out if HIUs are compatible with Boilers, water Heaters, & Cylinders here.

Read more

Does the Baxi AquaHeat range come with any remote monitoring or control capabilities?

Yes, all Baxi AquaHeat models are compatible with our Baxi Data Management, Mercurius platform. Find out more about all the functionality it has to offer.

Read more

What type of control system is used on the Baxi AquaHeat range?

Baxi AquaHeat HIUs contain a full electronic control system, using our in-house designed TR-04 controller. Some Key Functions can be found here...

Read more
Show more

Contact your ASM

If you are a merchant or installer, your local Baxi representative is here to help.

Our Solutions

Our range of heating and hot water solutions are designed with reliability, performance and energy efficiency in mind. Stocked in plumbing and builders' merchants nationwide we have a wide range of models and outputs of products, flues, controls and accessories suitable for all domestic heating installations.