• Self-acting HIU for Indirect DHW, with thermostatic control. DHW rating to be confirmed by discussion, using either standard or bespoke solutions. Suitable for single applications (eg, for schools) or developments with multiple dwellings.
• 1 Series DS has Danfoss IHPT thermostatic control, warming standby flow controller, insulated cover.
• 1 Series BS has thermostatic control only and sheet metal cover. Both versions have the option of booster pump, safety valve and recirculation pump. 

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