Rinnai Infinity Series Continuous Flow Hot Water Systems – The Ultimate Guide

If you’re searching for a reliable, energy-efficient and low-maintenance hot water system, the Rinnai Infinity Series ticks all the boxes. This range of continuous flow gas hot water systems is engineered for long-term performance, precise temperature control, and outstanding energy efficiency. Whether you live in Brisbane, the Gold Coast, or anywhere across Australia, the Rinnai Infinity Series is a solid investment.

🌡 What Is the Rinnai Infinity Series?

The Rinnai Infinity Series offers continuous flow hot water, meaning water is only heated when needed—saving you power, money, and space. With models like the Infinity 12, 26, 32, and 40, there’s a solution for every household size and demand.

⚙️ Key Features of Rinnai Infinity Systems

• 6-Star Energy Rating – Save more with every shower

• Puretemp™ Technology – Stable temperature control for safer hot water

• 50°C Compliant Models – Child-safe hot water with tempering protection

• Smart Controllers Available – Adjust temperature with a button

• Compact Wall-Mount Design – Saves space in tight areas

• Natural Gas or LPG Options – Choose what suits your home best

🔗 Browse our Rinnai Gas Hot Water Range

🔍 Overview of the Rinnai Infinity 26

The Rinnai Infinity 26 is the most popular model in the range, designed for medium-sized households. It delivers:

• 26L per minute flow rate

• Temperature stability even with multiple outlets in use

• Quiet operation

• Gas consumption: 199 MJ/h

• Water pressure range: 100–1000 kPa

• Dimensions: 530 x 351 x 195 mm

➡️ Shop the Rinnai Infinity 26 Online

🔧 Installation & Retrofit Compatibility

• Easily installed indoors or outdoors

• Compatible with solar PV and multi-tariff energy systems

• Works seamlessly as a retrofit for older gas or electric units

• Adjustable up to 53°C or 60°C with a tempering valve

💡 Want it installed right? Get a quote from JR Gas & Water

🌿 Eco-Friendly Design

The Infinity Series is engineered for low carbon emissions and gas efficiency, making it a top pick for sustainable homes. It:

• Reduces greenhouse gas output

• Supports solar integration

• Avoids standby heat loss common in storage systems

🛡 Warranty & Durability

• 12-Year Warranty on heat exchanger

• 3-Year Warranty on parts and labour

• Optional 13-Year Extended Warranty

• Japanese-engineered parts + Australian-certified quality

These units are made to last in tough Aussie climates.

💰 Installation & Running Costs

• Installation cost: From $1,200 to $2,000, depending on complexity

• Running costs: Lower than electric storage due to on-demand heating

• Pairs well with solar timers to use excess solar energy if available

Want to save on energy bills? See our solar-compatible gas systems.

🧠 Smart Controls & Safety Features

• Optional bathroom and kitchen water controllers

• Built-in status operation monitor

• Overheat and fault detection systems

• Safe hot water delivery for families with kids or elderly users

🔄 Available Rinnai Infinity Models

🛒 See All Rinnai Infinity Systems

📈 Rinnai vs Other Hot Water Systems

• ✅ More compact than electric storage systems

• ✅ Quieter than heat pumps

• ✅ More energy-efficient than traditional gas tanks

• ✅ Better for low-flow showerhead compatibility

Want to compare side-by-side? View our hot water system comparison blogs.

✅ Final Verdict: Is Rinnai Infinity Worth It?

Yes – The Rinnai Infinity Series is ideal for:

• Families who want endless hot water

• Households wanting to cut energy bills

• Homeowners looking for reliable, long-term performance

From compact units to high-flow setups, Rinnai has an option to suit everyone.

🔎 FAQs

1. What does continuous flow mean?
It means the unit only heats water when you turn on a tap – no wasted energy storing hot water.

2. Do I need a tempering valve?
Yes, if the water is delivered above 50°C, per AS/NZS 3500.4 regulations.

3. Is Rinnai Infinity compatible with solar?
Yes, it integrates well with PV systems and off-peak timers.

4. What’s the warranty on the Infinity 26?
12 years on the heat exchanger, 3 years on parts and labour.

5. How do I choose the right size?
Our installation team can assess your home and recommend the perfect model.