Heat Interface Units
The heat interface unit (HIU) range, the HIU Pro, is an integral part of our full-plant offering. Our range covers both Indirect HIUs which separate a dwelling, for example, from a primary central plant circuit, as well as, Direct HIUs that utilise the water from the system.
![](https://www.vokera.co.uk/wp-content/uploads/2019/09/HIU_Pro_i_Intro.png)
HIU Pro i20P & i30P
Indirect range
- Easy installation, ready to be connected
- Suitable for apartments, houses and centralised heating systems
![](https://www.vokera.co.uk/wp-content/uploads/2019/09/HIU_Pro_d_Intro.png)
HIU Pro d20P & d30P
Direct range
- High heat exchanger performance
- Minimal risk of limescale