HydroHeat Supplies Hydronic System

Call: (03) 9588 1299

Hydrofill Automatic Pressurisation Unit

Hydrofill APU.02

Hydrofill APU.02

The Hydrofill APU.02 is designed to satisfy the Melbourne Water requirement (AS3500), that an airbreak be provided between the mains water supply and any water system that contains water treatment chemicals.

HydroHeat Supplies manufacture the Hydrofill Model APU.02 Auto pressurisation unit, which gives you the required air break between the mains water and the recirculating system.

Unit includes:

  • Corrosion resistant stainless steel header tank complete with float valve
  • 240v single phase GRUNDFOS pump & adjustable pressure switch
  • Pre-piped & wired with a three pin plug and lead
  • Housed in a heavy duty powder coated weather proof cabinet

Trade / Specifiers Portal

Access Hydrofill Automatic Pressurisation Unit Data, Spec & Install Sheets in our Trade / Specifiers Portal.


  • Easy wall mounting
  • External connection straight on to copper
  • No costly commissioning or yearly certification required
  • Non corrosive stainless steel header tank
  • Grundfos pump