The Modern Solution for Apartment Heating and Domestic Hot Water Services

The Guildford HIU is suitable for all community schemes and enables LTHW from a central plant to provide heating and DHWS to each dwelling with complete hydraulic separation between the LTHW primary and secondary heating and DHWS systems.
The HIU is a complete package comprising of all components mounted on a frame, factory assembled and tested.

• Instantaneous hot water and space heating to properties
• Twin heat exchangers provide hydraulic separation
• Thermostatic hot water temperature control
• Tempering valve to prevent risk of scalding
• Primary Differential Pressure Control Valve
• Insulated back board, secondary heating heat exchanger & heating pipework
• Insulated lockable cover with viewing window allows meter reading without casing removal
• Low primary return temperature maximises system efficiency
• Automatic Air Vent on secondary system to facilitate quick commissioning
• Optional primary flushing bypass available
• Option for heat meter (110mm Spool piece provided as standard)
• Option for water meter (110mm Spool piece provided as standard)
• Full WRAS approval