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Appraisal number: 398 (2013)

Date issued: 16 Apr 2013

SunFlow® Radiant Floor Heating System


The SunFlow® Radiant Floor Heating System is a low-temperature, hydronic embedded floor heating system. The system is for installation in concrete floors of residential, commercial and industrial buildings.

The floors are heated by heated water pumped through pipes cast in the concrete floor.


The SunFlow® Radiant Floor Heating System has been appraised for use as an embedded floor heating system within the following scope:

  • For use as cast-in pipe heating elements carrying hot water in slab-on-ground and suspended concrete floors.

The scope of this Appraisal deals with the underfloor pipework system itself and does not appraise the control panel components or the source used for heating the water.

The installation of the SunFlow® Radiant Floor Heating System must be carried out only by personnel authorised by Heating Partners Ltd.

Technical literature

SunFlow Tube Installation Instructions, January 2013 

Consenting instructions

Always refer to the Appraisal in full and the technical literature.

Appraisal holder

Heating Partners Ltd
Phone: 09 820 8480

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