The Fortes Aquaheat HIU provides hydraulic separation between the domestic hot water (DHW), space heating circuit and the primary low temperature heating system via a pair of stainless steel brazed plate heat exchangers.
Primary water flow to the hot water and heating plates is regulated by a pair pressure independent control valves with fast acting stepper motors under the control of a programmable electronic controller. The unit is able to achieve DHW temperature from the plate and 100% hot water priority within 10 seconds.
The Fortes Aquaheat HIU comes in four model sizes to provide a range of heating and hot water outputs to suit both domestic and light commercial applications. Larger commercial application are possible on request.