Heat interface units

Celcius T4


The T4 HIU provides a direct connection to the heating network and an indirect secondary circuit to supply immediate domestic hot water.

Product features

  • A 50kW plate heat exchanger for instantaneous domestic hot water production
  • Plate heat exchanger and all internal pipework fully insulated to minimise heat emission
  • All internal pipework manufactured from 316L stainless steel
  • First Fix Jig – permitting installation and testing of all system pipework prior to the HIU being fitted
  • Bottom entry of all pipework connections as standard
  • Back panel cavity facilitating vertical piping for top connections without the need for a ‘stand-off’ bracket
  • Steel powder coated gloss white cover complete with heat meter display viewing window
  • Dimensions: 450mm (width) x 301mm (depth) x 810mm (height) including First Fix Jig
  • Weight 23 kg (dry), including cover

Product benefits

  • The fully assembled HIU is CE Marked
  • All components serviceable from the front of the unit
  • Easy operation and simple integration
  • HIU is manufactured in accordance with ISO 9001 and ISO 14001 compliant processes, giving you peace of mind