WilSon W1 – Electric Twin Plate HIU
The WilSon W1 compact electronic, twin plate heat interface unit (HIU) is designed as an indirect transfer unit for supplying heat. It fulfils two purposes at once: decentralised DHW heating based on the instantaneous water heating principle and decentralised indirect heat distribution in residential units.
Suitable for new builds and refurbishment projects, the W1 Electric Twin Plate HIU offers a versatile, cost effective and energy efficient solution for any heat network.
Benefits:
- Best Energy efficiency in the market (BESA testing) by VWART (Volume Weighted Retained Average Temperature)
- Easy to install
- Easy to set up
- Easy access to parts
- Easy access to meter reading for data and troubleshooting
- Connects to any type of meter – API or cloud
- In stock at WilSon Energy for next day delivery
Features:
- Available with a range of covers – black EPP insulation cover, black EPP cover with white gloss front, steel cover
- Modbus connection – open communication
- Removable panels help with replacing parts and provide easy access to HIU for maintenance and servicing
- Modbus version and alternate version available pre-fitted MBus gateway with HIU
- Remote access the unit via cloud (only if on Modbus)
- Ability to set up to 45 parameters for primary side, domestic hot water and heating to provide more detailed diagnostics (others on the market have only 9 parameters)
- Basic analytics and overview of install site
- In home display, pre-configured for the building manager or the property management company
- Legionella flush prompt when system is first set up or has not been used for a while, apartments not in use for several months at a time
You can download more information on the WilSon W1 – Electric Twin Plate HIU here:
- WilSon W1 – Electric Twin Plate Datasheet
- WilSon W1 – Electric Twin Plate HIU Operating Instructions
- WilSon W1 – Electric Twin Plate HIU Controller Manual
For more information about WilSon Energy’s integrated heating, metering and billing solutions and extensive spare parts selection, please contact us on 01636 857 240 email enquiries@wilsonenergy.co.uk.






