Your Rinnai Infinity system is one of the most reliable ways to ensure your household has access to endless, on-demand hot water. It’s a popular choice in Wellington homes for its space-saving design, energy efficiency, and ability to handle varying household demands. But like any high-performance appliance, it requires consistent care to operate at its best.
If you live in the Wellington region — with its coastal breezes, cooler winters, and variable water conditions — maintaining your Rinnai Infinity system is not just a good idea; it’s a necessity.
Whether you’ve recently installed a new unit or have been enjoying uninterrupted hot showers for years, understanding how to look after your system will help you save money, prevent breakdowns, and extend its lifespan. This guide covers everything you need to know to properly maintain your Rinnai Infinity system in Wellington, with local conditions and common issues in mind.
Key Benefits of Maintaining Your Rinnai Infinity System in Wellington
Routine maintenance offers far more than peace of mind. When you take the time to care for your system, you help preserve its efficiency and prevent unexpected repair bills. In Wellington, where properties are often exposed to wind, salt-laden air, and cooler temperatures, those benefits are even more pronounced. Regular servicing helps your system heat water faster, lowers your monthly energy costs, and ensures it continues working safely for many years to come.
Ignoring maintenance can lead to frustrating symptoms — fluctuating temperatures, low water pressure, or even a complete system shutdown. In many cases, these problems stem from minor issues that could have been easily resolved during a routine check-up. A well-maintained Rinnai Infinity system not only lasts longer but performs more consistently, which is exactly what you want during a chilly Wellington winter.
Common Maintenance Tasks for Rinnai Infinity in Wellington
There are several simple but important tasks that homeowners can stay on top of throughout the year. These do not replace professional servicing, but they do help prevent wear and alert you to signs that something may need attention.
Cleaning the External Unit and Vents
Wellington’s unpredictable climate means outdoor units are regularly exposed to wind-blown debris, dust, and even salt spray in coastal areas like Island Bay or Eastbourne. Over time, this exposure can cause corrosion or block airflow through the vents, which the system relies on to function safely.
At least every few months, visually inspect the unit and clear away any leaves, cobwebs, or grime that has built up. Gently wipe the surface with a soft cloth and avoid spraying water directly into the vent openings. Keeping the unit clear helps maintain good ventilation and reduces stress on internal components.
Checking Gas Pressure and Pipe Connections
The Rinnai Infinity system relies on a steady supply of gas to operate efficiently. Inconsistent pressure can result in delayed ignition, lukewarm water, or rumbling noises during use. While you shouldn’t attempt to adjust gas settings yourself, you can look out for red flags such as the smell of gas near the unit, slow hot water delivery, or the system cutting out unexpectedly.
If you suspect a gas issue, contact a registered Wellington gasfitter who can inspect the line, test the pressure, and make any necessary adjustments in accordance with New Zealand gas safety regulations.
Flushing the Heat Exchanger and Internal Lines
Wellington’s water supply isn’t particularly hard compared to other regions, but some suburbs still experience moderate mineral content. Over time, limescale and sediment can build up inside the heat exchanger, reducing heat transfer and efficiency. If your showers are taking longer to warm up, or you hear hissing sounds during operation, it may be time to flush the system.
This involves running a cleaning solution through the internal lines to remove mineral deposits. It’s not a DIY task — a professional should carry it out every couple of years, depending on your usage and water conditions.
Inspecting and Cleaning the Water Filter
Your system includes a water inlet filter designed to trap sediment and small debris before it enters the heating chamber. In Wellington properties with older plumbing, this filter can become clogged more quickly. Reduced flow, sputtering taps, or inconsistent temperature are all signs the filter may need cleaning. If you’re confident with basic maintenance, you can isolate the water supply, remove the filter (usually located beneath the unit), rinse it under a tap, and reassemble it. Otherwise, include it as part of your scheduled service.
Resetting and Monitoring System Error Codes
Modern Rinnai Infinity units are equipped with diagnostic features that display error codes when something goes wrong. These codes are usually visible on the digital controller or via a blinking sequence on the unit. Common errors might include ignition faults, flow issues, or temperature irregularities. While some issues can be resolved with a system reset, others signal a deeper fault.
Keep your manual handy, and never ignore repeating errors — they’re your system’s way of asking for help. For Wellington residents, it’s best to call a local technician familiar with Rinnai products to properly diagnose and repair any persistent issues.
Seasonal Maintenance Tips for Wellington Homes
Wellington’s weather patterns demand a little extra foresight when it comes to hot water system care, especially with the temperature shifts between summer and winter.
Preparing for Wellington Winters
Winter preparation is crucial. Outdoor pipework can be vulnerable to freezing overnight, particularly in elevated or exposed areas like Khandallah or Newlands. Frozen water in pipes can create pressure build-up and damage your system. To prevent this, insulate exposed pipes with foam sleeves and ensure the outdoor unit has adequate wind shielding. Also, check your roof for overhanging branches that might fall during a storm and damage your unit or its pipework.
Maintaining Efficiency in the Warmer Months
During summer, many families travel or spend time away from home. If your Rinnai Infinity system will be unused for several weeks, switch it off at the main control panel to conserve energy. When you return, run the hot water taps for a minute to flush out any stagnant water and give the system a moment to reheat. Summer is also a great time to schedule your annual service before the busy winter season hits.
When to Call a Rinnai Technician in Wellington
While you can handle minor tasks, servicing should be done by a qualified professional who understands the inner workings of Rinnai systems. It’s recommended that your Rinnai Infinity system in Wellington be serviced at least once every two years. However, if you live close to the coast, have a high-use household, or notice any changes in performance, annual servicing is a safer bet. Technicians will run a full system test, check gas pressures, inspect parts for wear, and ensure everything is functioning as it should. If you ever see rust, smell gas, or get multiple fault codes, do not delay — book a service immediately.
Avoiding Common Myths About Hot Water Maintenance
It’s easy to assume your system doesn’t need attention if it’s still producing hot water. But this “if it ain’t broke, don’t fix it” mindset can cost you in the long run. Many faults develop silently, affecting performance or efficiency before you notice a problem. Another common myth is that Wellington’s soft water means you can skip flushing the system.
Sediment and impurities can still build up — particularly in older pipes. Lastly, not all plumbers are created equal when it comes to gas appliances. Always use a technician certified to work on Rinnai systems to protect your warranty and ensure compliance.
How to Choose the Right Rinnai Infinity Service Provider in Wellington
When looking for a technician, always verify they’re registered and experienced with gas appliances. Ask if they’re familiar with Rinnai Infinity models and whether they carry genuine parts. Reviews from other Wellington residents can also help find someone trustworthy. If you’re booking your first service, ask what’s included in the inspection and whether emergency support is available if needed down the track.
Final Thoughts: Keep Your System Running Smoothly
Your Rinnai Infinity system is built to last, but it won’t take care of itself. With a bit of regular attention and support from a local expert, you can avoid cold showers, high energy bills, and emergency call-outs. Wellington’s climate makes it even more important to be proactive with hot water maintenance — so mark your calendar, book that service, and enjoy reliable, efficient hot water all year round.
