• Self-acting HIU for Indirect space heating / DHW cylinder. Ratings 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 isolators, circulation pump, wiring box, expansion vessel, strainer, spacer piece for energy meter, sheet metal cover. 

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