ARK270 Heat Pump Hot Water


The ARK270 is an efficient air source heat pump hot water storage system. To understand how heat pumps significantly improve efficiency click here. The ARK270 attracts Federal STC + Victorian VEEC + Victorian Solar Government Rebates which reduce the price of the unit, depending on location, type of installation, and eligibility.

  • If you are replacing an electric element hot water system in Victoria choose either STC+VEEC or STC+VEEC+SolarVIC (check eligibility of Solar Rebate on this page).
  • If you are replacing a hot water system that is not an electric element unit or installing an ARK2X0 on a new home in Victoria choose STC Rebate from the selection box below
  • If you are installing an ARK2X0 in any state or territory other than Victoria choose STC Rebate from the selection box below

Note: By selecting any of the options you agree to provide ThermalARK with all necessary documentation and agree to give ThermalARK permission to claim applicable certificates on your behalf. Documentation includes a plumbers certificate, electrical certificate,  invoice , installation details, installer details, personal details, series of photos and response via eligibility form. For the SolarVic Rebate a security deposit of $500 will be required prior to delivery of the goods which will be reimbursed once all documentation is submitted. For full terms and conditions click here.


SKU: ARK270 Category:


Tank Capacity: 270L

Heating: 3.6kW

Heat Pump Input Power: 0.94kW

Voltage: 240Vac/50Hz

Maximum StartUp Current: 13A

Water Recovery Rate: 75L/h

Maximum Water Temperature: 60C

Maximum Water Pressure: 0.85MPa @ 99C

Operating Conditions: – 7C to 43C

Boost Element: 1.5kW

Boost Element Water Recovery Rate (if used): 30L/h

Fan Volume: 450m3/h

Noise: 48dB(A)

Connections: 3/4″

IP Rating: IPX4

Installation: Outdoors

Additional information

Weight 135 kg
Dimensions 640 × 640 × 1955 mm
Controller Functions

Intelligent Mode, Two Timers, Eco Mode, Normal Mode, Vacation Mode, Full Defrost Cycle, Sanitation Cycle


Compressor Overload, Element Overload, Over Temp Cut Out, P&T Relief Valve


Tank: 5 years, Parts: 2years, Workmanship: 1year


AS2712:2007 SMKP25244, AS3498, AS60335.21.40, RCM, WaterMark : WMKA25245