Hotflo Electric Hot Water Storage 315L

Hotflo Electric Hot Water Storage 315L

Australian made hot water tanks for Australian families

With no loss of pressure and super-sized storage, our large capacity HotFlo Electric Hot Water Tanks will comfortably service Australia’s biggest families.

Designed for peace-of-mind, the efficient hot water tanks are thermostatically controlled with safety temperature shut off and the unique blend of enamel and enhanced sacrificial anode protection extends its lifespan.

Featuring single or twin element configurations, standard sizing for emergency changeovers  with internal / external applications available, updating existing or installing to a new Rinnai Electric Hot Water tank is a breeze with minimal changeover costs.

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Australian Made

Flexible installation options

Perfect for larger families

10 year cylinder warranty

Single and Twin Element available

  • Vitreous Enamel lined steel tank for added durability
  • Inbuilt anode protection extends the life of the tank
  • Dual handed, allows increased flexibility during installation
  • Pressure temperature relief valve included
  • Suitable for internal and external use
  • Thermostatically controlled with safety temperature shut off for added peace of mind
  • Single and Twin element confirgurations available

Electrical Supply

AC 240V 50Hz

Tank Diameter


Heating Elements Available (kW)

2.4 / 3.6 / 4.8

Weight Empty (kg)


Overall Height


Outlet Height


Inlet Height


Electrical Connection Height – Lower (mm)


Electrical Connection Height – Upper (mm)


Relief Valve Setting (kPa)


Expansion Control Valve Setting


Max inlet pressure (with ECV – kPa)


Max inlet pressure (without ECV – kPa)


Water Connections

RP 3/4 20mm

Ingress Protection Rating (AS1939)


Rated Capacity (Litres)



  • Where to buy?

    Where to buy?

    You can use the store locator on our website to find your closest store.

  • Which hot water system suits my needs?

    Which hot water system suits my needs?

    You can use Rinnai’s hot water selector listed on this website to help you in your selection.

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