Legacy products and support

The SQUARE HIU

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

The SQUARE HIU

The SQUARE HIU is possibly the most efficient DHW generation unit on the market and uses the latest electronic controls to provide instantaneous

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Still running one of these?

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