• Self-acting HIU for Indirect space heating only. Rating to be confirmed by discussion, using either standard or bespoke solutions. Used mostly for developments with multiple dwellings. 

• Includes flushing bypass, pressure-compensated thermostatic control, motorised isolator, circulation pump, wiring box, expansion vessel, strainer, spacer piece for energy meter, sheet metal cover. 
• Optional fully insulated enclosure instead of sheet steel cover. 

For more information visit our HIU download area or contact one of our colleagues for project-specific guidance.