Need A Reliable and Durable Rinnai Hot Water System?
When your hot water system stops working, your whole house notices it immediately. Cold showers, fluctuating temperatures and running out of hot water in an instant can all lead to serious problems.
Whether your existing Rinnai system is reaching the end of it’s life, you want to upgrade or you need repairs, choosing a suitable Rinnai model is important.
At Evermore Plumbing and Gas, our licensed and insured plumbers supply, install, replace, repair and service all sorts of Rinnai hot water systems across Brisbane. We’ll assess your current system, taking into account your home’s needs and budget and help you choose the right unit for you.
For a detailed quote, contact us on 1300 754 072 or fill out our online enquiry form today.
What Are The Most Common Problems With Rinnai Hot Water Systems?
Like any other household appliance, your Rinnai hot water system can develop problems over time. Some issues are easier to fix than others, while others indicate a bigger problem with the appliance, gas supply, water flow, or the system itself.
Common problems Rinnai hot water systems come across are:
- No hot water
- Water running hot and cold
- Water not reaching the right temperature
- Low water pressure
- Repeated shutdowns
- Leaking
- Unusual banging noises
- Problems with temperature controllers
If your Rinnai isn't working properly, it doesn't necessarily mean you need a new hot water system straight away. The cause of the issue could be simple to repair with the right expertise and tools.
This is why our Brisbane hot water plumbers thoroughly inspect your system, diagnose the problem and explain your options, whether that means repairing the existing system or replacing it.
What Makes Rinnai Hot Water Systems Different?
Rinnai has been a trusted hot water brand in Australia since 1971. Originating in Japan, Rinnai has been producing high-quality, safe and powerful hot water systems since the 1920’s. With years of honing their craft, what makes Rinnai different from all the other hot water brands out there on the market?
Efficient Operation
Over the last 50 years, Rinnai has been providing reliable and long-lasting hot water solutions around the world. With decades of top-quality Japanese technology, there are many to choose from and they are always innovating to give their customers the best.
Hot Water On Demand
One of the key benefits of a Rinnai continuous-flow system is that it heats water as you use it. Instead of storing a fixed amount of heated water in a tank, these systems heat water as it passes through the unit.
This can be especially useful for busy households where several people need hot water throughout the day. However, the system still needs to be correctly sized to handle your household's expected demand.
Space-Saving Design
Many Rinnai hot water systems are compact and wall-mounted, meaning they don't need the same amount of outdoor space as a traditional storage tank.
This can be useful for Brisbane homes and apartments with limited outdoor space or properties where the existing hot water system takes up valuable room.

Types of Rinnai Hot Water Systems We Install
Rinnai manufactures a lot of different makes and models of hot water systems. Choosing the right one for your home and budget can be difficult. Luckily, our experienced plumbers are here to help with expert and tailored advice. Our team is insured and trained in supplying and installing a wide range of Rinnai hot water systems, including:
Rinnai Electric Heat Pump Systems
Electric heat pumps use electricity to transfer heat from the surrounding air into your water, rather than generating heat by themselves.
The Rinnai electric heat pump hot water system is a great option for Brisbane households looking to improve their energy efficiency and reduce their electricity and household bills.
Rinnai Solar Hot Water Systems
With Brisbane’s abundant sunshine, switching to a solar hot water system is a smart investment.
Rinnai’s solar hot water systems have been engineered to make the most of the sun, absorbing energy while maintaining consistent and reliable hot water performance all year round - no matter the weather.
Rinnai Continuous Flow Systems
Rinnai continuous-flow systems heat water as it is needed rather than storing a fixed volume of heated water in a traditional tank. This allows you to access hot water when you want.
Rinnai Infinity systems are available in different capacities. The right capacity for your home depends on factors such as the number of bathrooms, showers and the amount of hot water your household uses at the same time.
Rinnai Hot Water Installations
Choosing your right Rinnai system is only the first step. Professional installation is essential to ensure your new hot water system is connected and operating correctly. If you try and install it yourself, you’re not only voiding your warranty, but you could also really hurt yourself in the process.
Before installing a Rinnai hot water system, our team can assess:
- Your existing hot water system
- Household hot water demand
- Number of bathrooms
- Gas supply
- Water connections
- Existing pipework
- Installation location
- Available space
- Temperature control requirements
We'll then install and test the new system and make sure you understand how to operate it.
Rinnai Hot Water Replacements
If your Rinnai system is no longer working as well as it used to, replacing it with a newer system might provide a more reliable long-term solution depending on the problem and your budget.
Signs your Rinnai may be approaching replacement time include:
- Frequent breakdowns
- Increasing repair costs
- Inconsistent water temperature
- Declining hot water performance
- Leaks or corrosion
- An ageing system
- Increased hot water demand
- A renovation or additional bathroom
Our plumbers can assess the condition of your existing system and explain whether repairing it or replacing it is likely to be the better option.
Should I Repair or Replace My Rinnai Hot Water System?
This is a question our plumbers encounter on the daily in Brisbane. When a problem arises, many homeowners aren’t sure whether they should repair their hot water system or replace it entirely.
Our plumbers recommend thinking about the following options.
Repair Your Rinnai Hot Water System If
- Your system is not that old
- The problem is small and can be isolated to one spot
- The repair is straightforward and cost-effective
Consider Replacing Your Rinnai Hot Water System If
- Your system is around 8 - 10 years old
- It has been experiencing more frequent breakdowns and repeated repairs
- The overall repair costs are increasing
- The system doesn’t meet your family's needs anymore
- You are renovating your house or adding a bathroom
- You want to upgrade to a different model or type
If you are unsure which route to take, our plumbers are always here to help. Just give them a call on 1300 754 072 and they can help you figure out the best option.
How Long Does A Rinnai Hot Water System Last?
There is no set timeframe that a Rinnai hot water system lasts for as it depends on the make, model and condition of the unit. However, on average, electric heat pump and storage Rinnai hot water systems last between 8 - 15 years while a continuous flow model lasts 15 - 20 years.
Investing in a regular maintenance schedule will help to increase your Rinnai hot water system’s lifespan as well as reduce the risk of unexpected breakdowns and repairs later down the track.
Why Choose Evermore Plumbing For Your Rinnai Hot Water Needs?
Over the years, Damian and his team of plumbers have created a business where they put their customers first. They thrive on committing to top-quality workmanship and professionalism and will always be honest with you and answer any questions you may have.
Ready For A Rinnai Hot Water System?
If you're thinking of installing or upgrading to a Rinnai hot water system, our hot water plumbers are here to help. With years of experience and local knowledge of what makes Brisbane homes tick, our team can supply and install your new hot water system in no time.
For a detailed quote, contact Damian and his team on 1300 754 072 or fill out our online enquiry form today.
