Rinnai Infinity 26i (Internal)

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About Rinnai Infinity 26i (Internal)

For a quality continuous flow hot water heater that can be installed internally the Rinnai Infinity 26 Internal is the ideal solution.

Delivering 26 litres of water per minute the Rinnai Infinity 26i is suitable for a 1-2 bathroom home and will adequately meet your hot water heating demands.

Rinnai Infinity Continuous Flow Gas hot water system

The compact design of the Infinity 26i allows for flexible installation and is perfect for apartments or townhouses where an external system, or bulky storage tank, cannot be installed.

Rinnai Infinity 26i Continuous Flow Hot Water System

A separate flue kit and power point is required to allow this gas continuous flow unit to operate.

Providing a high energy rating of 6.1 stars you can trust that the Rinnai Infinity 26i will lower your greenhouse gas emissions.

When compared to a standard electric hot water heater, which in turn provides you with lower running costs.

Featuring temperature control and backed by Rinnai’s extremely high warranty terms of 12 years on the heat exchanger.

You know you have chosen a quality, durable and reliable continuous flow hot water system when you choose the Infinity 26i Internal.

No Interest Ever!* Payment Plan Options Available

No Interest Ever!* payment plan options available on hot water heater replacements to help ease any financial stress this burden may cause. If your rinnai hot water heater is leaking, or you have no hot water, we can often have a plumber to you within the hour*.

Rinnai Infinity 26i supply and installation

If you require a new hot water heater to be supplied and installed call the experts from Jim’s Plumbing on 1300 133 509.

We will dispatch a fully qualified, local and experienced plumber to your location on the same day as your booking to go through with you in detail your hot water heating requirements.

Factoring in how you use your hot water, how many bathrooms your property has, the fuel types available as well as installation requirements to provide you with the ideal and cost effective hot water heater to suit your needs and budget.

If the Rinnai Infinity 26i is the ideal solution for you we can supply and install the unit usually on the same day as your Jim’s plumber attends. If a hot water heater replacement was the last thing you expected to be purchasing why not take advantage of our INTEREST FREE PAYMENT TERMS* on the Rinnai Infinity 26i Internal continuous flow hot water heater?  Just ask us for the details on how to apply.

Rinnai Infinity 26i repairs or servicing

At Jim’s Plumbing we will send a Rinnai hot water expert to your home or office if your Infinity 26i continuous flow hot water heater is not working as expected to rectify the issue and have your hot water running hot again once more.

In a plumbing emergency – such as no hot water or a suspected gas leak on your Infinity 26i we can have a friendly, local and reliable Jim’s plumber at your property within an hour* of your call.

No matter the time of day or night!

We have a plumber close to you across all metropolitan areas of Adelaide, Melbourne, Perth, Sydney and Canberra on-call 24 hours a day, 7 days a week, including all public holidays.

It is highly recommended to have your hot water system serviced according to manufacturer’s instructions to maintain optimum performance.

Talk to us about scheduled servicing upon the installation of your new Rinnai Infinity 26i, or call us anytime.

If you’d like to know more about the Infinity 26i and if it’s suitable to be installed in your home, we have included specifications below.

Or contact a professional hot water plumber from Jim’s Plumbing for expert advice and a no obligation quote.

Rinnai Infinity 26i Internal Specifications

Energy Rating

6.1 Stars

Fuel Type

Natural Gas / LPG

Status Monitor

Included as standard

Unit Height


Unit Width


Unit Depth


Unit Weight





50°C or 60°C (Factory Default)

Min. Water Pressure

140 kPa

Max. Water Pressure

1000 kPa

Mj/H (Natural Gas)

16 min / 195 max

Flow Rate

25°C rise at 26-32 litres per minute

Connection Sizes

20mm Gas / 20mm Hot Water / 20mm Cold Water


3 years Parts & Labour

12 years – Heat Exchanger (part only)

Choosing the Correct Hot Water System

Choosing the correct hot water system can be difficult, as there are so many options to choose from; Click on the links to find out more about these systems.




Heat Pump


Gas boosted solar

Please be advised that we may have additional Rinnai Hot Water System models available.

For a full breakdown of all Rinnai hot water system prices, including Gas, Electric and Solar water heaters, please click here.

Simply book a plumber online now, or phone 1300 133 509 to book now.

All pricing includes installation and GST*

*NO INTEREST EVER!* PAYMENT PLAN, “Fees, terms and conditions apply”.

No Interest Ever!* Payment Plan offered through Certegy Ezi-Pay Express. No Interest Ever on your hot water heater replacement or new supply and installation, gas service, water service or drain replacement. Conditions apply.

Information on this page is subject to change. Commercial hot water systems also available on enquiry.

*Conditions apply.