• Self-acting HIU for Indirect DHW / Direct space heating. 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, Danfoss AV-TB flow controller for warming standby, motorised isolator, wiring box, strainer, spacer piece for energy meter, sheet steel cover. 

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