Legacy products and support

The UtilityMaster HIU

Heatweb no longer manufactures The UtilityMaster HIU, but we service, repair and support every unit in the field. The documents below are kept from the Heatweb wiki.

The UtilityMaster HIU

The UM2 UtilityMaster, shown here, provides an indirect primary interface to a heat network for up to 30kW load, and is designed to work in partnership…

View

Still running one of these?

We hold the drawings, settings and spare-part knowledge for every product we built.