Unlock the future of heating and hot water efficiency with the Thermalee twin plate, indirect heat interface unit. Engineered for high performing cutting edge precision, the Thermalee HIU offers efficient and transparent heat transfer.

Utilising two plate heat exchangers, the Thermalee HIU offers complete hydraulic separation from primary energy source and apartment HTG and DHW circuits.

With both HTG and DHW circuits separated, the Thermalee HIU offers complete control of apartment circuits ensuring efficiency.

Thermalee HIU achieves performance and efficiency with user comfort in mind, some of the HIU features include:

• Return temperature limiting
• Adjustable keep warm
• Remote commissioning
• Remote temperature change
• Credit & debit billing ready
• Offsite efficiency monitoring
• Temperature password
• Maintenance mode

Dimensions: H550mm x W520mm x D240mm

Dry weight: 30kg

Connection: 3/4″ threaded

Exterior casing: RAL 9003 white

Power supply: 230v 50/60hz

DHW duty: 20 – 75kW

HTG duty: 1 – 20kW

Thermalee electronic HIU can operate with a primary temperature low as 55c delivering 50c to apartment DHW and HTG circuits.

HIU can provide up to 20 l/min however Thermalee do advise to ensure heat networks are aligned with CIBSE CP1.