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Rinnai Infinity 26 hot water systems. Great prices
Rinnai Infinity Hot Water Systems including the Rinnai Infinity 26

Rinnai Infinity 26 Gas Hot Water Systems - Full Range

Rinnia Infinity 16, 20, 26 & 32

Get a Rinnai Infinity tankless gas hot water systems with great Rinnai Infinity prices.

Available in both LPG and Natural gas models.

Rinnai Infinity for Your Home

No matter what size home you have, we have the right size Rinnai Infinity tankless gas hot water system for you. 

We start with the Rinnai Infinity 16 for smaller homes and go all the way up to the Rinnai Infinity 32 for really large homes, including the best selling Rinnai Infinity 26. 

You get a continuous supply of hot water and save with Rinnai's energy efficient technology.

Now there is also the brand new Rinnai Infinity Touch, with wireless remote control built right in.

You get special deals and great prices, too!

Go to online gas appliance store

 LPG and Natural Gas models available

The Rinnai Range

Shown below is our range of Rinnai Infinity gas hot water systems for sale.  

Please click on product name or image for more information and Rinnai Infinity prices.


Rinnai Infinity 16 LPG Gas Hot Water System

Rinnai Infinity 16♦  Rinnai Infinity 16 tankless gas hot water heater system

♦  Suitable for 1 bathroom homes - 16 litre per minute

♦  High efficiency with a 6.2 Star Rating

♦  10 year warranty                                                   

♦  Find a Rinnai 1st Care Plumber                      

♦  See our Rinnai Infinity prices


Rinnai Infinity 20 LPG Gas Hot Water System

Rinnai Infinity 20 LPG Gas Hot Water System♦  Rinnai Infinity 20 tankless gas hot water heater system

♦  Suitable for 1 or 2 bathroom homes - 20 litres per minute

♦  High efficiency with a 5.9 Star Rating

♦  10 year warranty

♦  Find a Rinnai 1st Care Plumber

♦  See our Rinnai Infinity prices


Rinnai Infinity 26 LPG Gas Hot Water System

Rinnai Infinity 26♦  Rinnai Infinity 26 tankless gas hot water heater system

♦  Suitable for 2 or 3 bathroom homes - 26 litres per minute

♦  High efficiency with a 5.8 Star Rating

♦  10 year warranty   

♦  Optional remote shown      

♦  Find a Rinnai 1st Care Plumber             

♦  See our Rinnai Infinity prices


Rinnai Infinity 32 LPG Gas Hot Water Systems

Rinnai Infinity 32 LPG Gas Hot Water System♦  Rinnai Infinity 32 tankless gas hot water heater system

♦  Suitable for 3 or 4 bathroom home - 32 litres per minute

♦  High efficiency with a 5.6 Star Rating

♦  10 year warranty

♦  Find a Rinnai 1st Care Plumber

♦  See our Rinnai Infinity prices


Compare Rinnai Gas Hot Water Heater Systems Prices

Now you can compare prices for all the major brands of gas hot water systems including Rinnai, Bosch, Kelvinator, Rheem, Dux and AquaMAX.

Click on your category of interest to compare prices:

Tankless Instantaneous Continuous Flow Gas Hot Water Systems Prices

Gas Storage Tank Hot Water Systems Prices

Gas Boosted Solar Hot Water Systems Prices


7 Reasons to Choose Tankless Instant Hot Water

We all try to save water but there are times when all you want is to enjoy a nice, warm, leisurely shower.

Let’s admit it... most of us like to indulge occasionally. 

Living in the country and depending on tank water, I do try to wait for a big storm when the rain water tank is overflowing in any case. 

Makes me feel less guilty!

However, I’m not the only one in the family with that idea. 

My wife likes to run a full bath and others are ready to take advantage, too. 

We would have a problem if we were relying on a storage tank water heater, with a limited supply of hot water. 

The problem would be even worse if we had an off-peak electric water heater. 

Somebody would end up very disappointed.

The good news is that there is a simple solution to the problem. 

Tankless instantaneous gas hot water systems provide a continuous flow of hot water.

In fact, there are seven reasons that you should consider going tankless:

1. A Virtually Endless Supply of Hot Water

Traditional storage tank hot water heaters can only heat a certain number of litres at a time. 

Most residential hot water heaters are in the 135L to 170L range. 

Off-peak electric units need to be considerably bigger, because they have to last through the whole day. 

Once all of that pre-heated water in the tank is used up, it needs a recovery period to get the fresh contents back up to an acceptable temperature. 

If it runs out mid-shower your only choices are to finish with a cold shower or to stay soapy while you wait for the water to reheat. 

You’d be soapy for quite a while.

With a tankless hot water system, the water is heated as you need it and it can maintain the flow rate indefinitely. 

So, no running out of hot water no matter how many family members line up for the shower.

2. Save Energy

When you eliminate the large tank, you also save all of that energy being used to maintain the temperature of the stored water 24/7. 

In contrast, within tankless hot water systems the burner only needs to run when the hot water is actually needed.

3. Space Savings

Removing the bulky storage tank saves space. 

At about the size of a small suitcase, tankless water heaters are a fraction of the size of a traditional storage tank heater.  

The smaller tankless units are also more aesthetically pleasing, as it doesn’t dominate the exterior of your home.

4. Reduced Emissions

Greenhouse gas emissions are reduced through the use of tankless water heaters. 

Tankless gas hot water systems produce about a third of the greenhouse gas emissions of electric storage hot water systems.

5. Longer Lasting

Traditional storage tank water heaters have a life span of around 10 to 12 years. 

Tankless hot water systems can last up to 20 years.

6. Cleaner & Fresher Water

Water from a storage tank water heater may pick up bits of rust and scale that build up within the tank. 

Since there's no tank to rust and no water stored with a tankless system, the water stays cleaner and fresher.

7. Healthier & Safer

With tankless systems, you only need to heat the water to 50°C, as the prevention of bacterial growth is NOT an issue with tankless units, as it is with all of the other alternatives that have tanks. 

So, less chance of scalding and no breeding ground for Legionnaires’ disease, or Legionellosis, that is caused by a bacterium, Legionella pneumophila. 

It is a respiratory disease that can cause severe pneumonia and is sometimes fatal.

Hot Water System Sizing?

Don't Calculate by Number of People or Bathrooms

The sizing information available is very confusing because manufacturers, and others, are trying to provide a simplified answer to a complicated question. 

Some suggest that you calculate by the number of bathrooms in your home while others say to go by the number of people in your family. 

Also, in many cases, their recommendations are based on the worst case scenarios, assuming higher consumption than your actual water use.

Buying Too Large Wastes Money

The result is that many people end up buying a larger system than they actually need. 

This costs them extra money when they buy the hot water system and will increase the ongoing operating costs, in many instances.

Factors to Really Consider

Simultaneous use is one of the fundamental determining factors.  

The number of people in your home combined with how and when they use hot water is the key. 

  • Do they all take showers at the same general time of day? 

  • Do they take showers simultaneously in different bathrooms?

  • Do the showers have WELS 3 Star Rated Showerheads (maximum 9L/Min) or standard 18 to 25L/Min showerheads?

  • Do some prefer baths, which use more hot water? Is the bath or spa oversized, requiring even more hot water?

  • Do you run the washing machine, using hot or warm water, while people are showering?

  •  Is your dishwasher connected to the cold or hot water? If hot, do you use it while hot water is being used elsewhere?

Showers Are the Key

Showers use the most hot water in a home.  People generally shower for 5 to 10 minutes. 

Assuming you have a 3 Star shower head and you mix in some cold water with the hot, the typical hot water consumption would probably be in the 7 litres per minute range. 

If you also assume an 8 minute shower, you will consume about 56 litres of hot water per shower or a family of four would consume 224 litres. 

The use of WELS (Water Efficiency Labelling and Standards) 3 star rated showerheads is an important factor in saving water and energy whilst reducing the size and cost of the hot water system required.

Hot Water Tank ExampleRinnai HOTFLO 170 gas hot water system

In the above example, if all four people take their showers in the morning, you would only need a storage hot water system with 224 litre first hour capacity, regardless of how many take showers at exactly the same time.  

This all presumes that you are not using any other hot water devices at the time.  

The use of additional hot water, after the shower period, would depend on the hot water system’s recovery time required to achieve full temperature.  

So, with a larger family or house guests, a bit of scheduling may be required to avoid the need for a larger unit.

Off Peak Electric Issues

Off peak electric storage units are a completely different story. 

Inasmuch as they only heat water at night, they need to be quite large to make sure you don’t run out of water during the day. 

So, some of the electric savings is offset by the fact that you need to heat a larger tank. 

The bigger tank would also cost more to purchase.

Tankless Hot Water Example

Bosch 21e tankless gas hot water systemFor a tankless continuous flow unit, it would depend on how many showers are being used simultaneously. 

Using the example above, if it’s two showers, then you only need a unit with a minimum flow rate of 14L/min. 

If you have 3 people showering at exactly the same time, you would need a minimum 21L/min.  

This does assume that you are not using other hot water devices simultaneously. 

Recovery time is not an issue with continuous flow units, so even a large family with guests would not run out of hot water.

For more information, click to see:
Switching from electric to LPG hot water?  

 Find a local plumber or gas fitter


 Find a Rinnai 1st Care Accredited Plumber

These Rinnai plumbers are part of their Rinnai 1st Care Accredited Plumber programme.  

As both plumbers and licensed gas fitters, they not only install Rinnai LPG gas hot water systems, they can also install all of the great Rinnai heaters and Rinnai gas log fires.

Rinnai Infinity Deluxe Bathroom Controller
Rinnai Infinity Deluxe Bathroom Controller
Rinnai Infinity Kitchen Controller Rinnai Infinity Wireless Controller Rinnai Infinity Universal Controller
Shown above are the Infinity Kitchen Controller, Wireless Controller & Universal Controller

Please also see our range of Bosch Hot Water Systems

*See Welcome Package T&Cs for full details.

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*Welcome Package T&Cs
Welcome Package is automatically applied to your account when you signup online.
$80 of credits are applied at $10 per 45kg exchange cylinder or $10 per tanker refill.
Welcome Package is available in areas serviced by company branches and agents, so available in most areas. Not available in areas serviced by distributors.