Medium Capacity Gas Storage

135 Litres: For all your hot water needs.

Our 135 litre HOTFLO Gas system delivers hot water to multiple outlets without loss of pressure. And with the ability to deliver up to 209 litres in the first hour, you’ll always have plenty of hot water on hand.

4.7 Star energy rating*

First hour delivery capacity – 209 litres

Vitreous Enamel lined steel tank

8 year cylinder warranty

  • First hour delivery capacity* - 209 litres
  • 4.7 Star energy rating
  • Storage capacity – 135 litres
  • Vitreous Enamel lined steel tank adds durability for a longer life
  • Inbuilt anode protection extends the life of the tank
  • Pressure temperature relief valve
  • External use only
  • Available in Natural and Propane Gas
  • Thermostatically controlled with safety temperature shut off for added peace of mind
  • 170 litres variant also available

*45°C temperature rise, 15°C cold supply temperature


Gas Consumption (Mj/h)


Weight (Empty)


Relief Valve Setting (kPa)


Max water supply without ECV (kPa) 800
Max water supply with ECV (kPa) 680

Expansion Control Valve Setting (kPa – if required)


Recommended PLV (kPa – if required)


Water Connections

RP 3/4 20mm

Rated Capacity (Litres)


Height – Hot Water Outlet


Height – Cold Water Inlet




Gas Type

NG and LPG

Water Capacity in First Hour (Litres)



  • Where to buy?

    Where to buy?

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

  • What does the energy Star rating mean?

    What does the energy Star rating mean?

    Generally, the more stars, the higher the energy Star rating, the more energy efficient the product is.

  • 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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