Rinnai B-Series Continuous Flow Gas Hot Water System Review – Is It the Best Choice?
Introduction
The Rinnai B-Series Continuous Flow Gas Hot Water System is designed for reliable, energy-efficient hot water delivery, making it a popular choice among Australian households. With decades of proven performance, the Rinnai B-Series offers multiple capacity options, superior durability, and low operating costs. But is it the right system for your home? This critical review explores its performance, efficiency, installation, durability, and cost-effectiveness to help you decide.
Capacity & Performance
The Rinnai B-Series is available in 16L, 20L, and 26L models, catering to different household sizes and hot water demands. It is available in both LPG and Natural Gas options, making it a versatile choice for various home setups.
Key Features:
✔ Heavy-duty copper heat exchanger with up to a 15-year warranty. ✔ Factory preset 50°C & optional 60°C versions (for compliant internal use). ✔ Minimal flow rate of 1.5L/min – prevents frustrating cut-outs in low-demand situations.
💡 Performance Bonus: Unlike other brands, the Rinnai B-Series delivers consistent hot water flow, even during low-demand situations, such as handwashing or lukewarm showers in summer.
Energy Efficiency & Cost Savings
One of the standout features of the Rinnai B-Series is its 6-star energy efficiency rating, with some models reaching up to 6.2 stars.
✅ Cost-Saving Features: ✔ Switching from a 4-star gas storage system to a 6-star system can save a family over $500 annually on gas costs. ✔ Minimal standby losses – since water is heated on demand. ✔ Lower noise levels compared to other continuous flow systems.
💡 Thinking of going solar? While gas is rising in cost, electric heat pumps paired with solar power might be a more energy-efficient option. However, if solar isn’t an option, the Rinnai B-Series remains an excellent choice for gas-powered hot water.
Installation & Retrofit Compatibility
Installing a Rinnai B-Series gas hot water system is quick and straightforward, especially for those upgrading from an existing continuous flow system.
Why Installation Is Easy:
✔ Lightweight design (~20kg), allowing for fast wall mounting. ✔ Standardised fittings make it compatible with most existing plumbing setups. ✔ No expansion valves, bases, or drain lines required – keeping installation simple.
🔧 JR Gas & Water can install your Rinnai B-Series in as little as 30 minutes!
Durability & Longevity
The Rinnai B-Series is built to last, featuring internal corrosion resistance and frost protection down to -20°C.
Durability Features:
✔ Copper heat exchanger with up to a 15-year warranty. ✔ Stainless steel & aluminum components for superior rust protection. ✔ Reliable ignition system, preventing unexpected breakdowns.
💡 JR Gas & Water has been replacing Rinnai units over 20 years old – a true testament to their durability.
Safety & Water Quality
Safety is a top priority with the Rinnai B-Series, featuring built-in temperature control and reliable safety mechanisms.
✔ Factory preset 50°C model meets legal requirements for internal tapware. ✔ Optional 60°C model available for homes with temperature mixing valves. ✔ High corrosion resistance ensures clean and safe hot water.
Smart Features & Accessories
Rinnai has developed a range of accessories to further enhance the B-Series continuous flow system, including:
✔ Temperature controllers – set the perfect hot water temperature for every tap. ✔ Bath fill function – automatically fills a bathtub to a set temperature. ✔ Flue kits & security brackets – add safety and convenience. ✔ Recess boxes & pipe covers – allow for seamless installation and aesthetics.
Cost Analysis: Is It Worth It?
💰 Pricing & Long-Term Savings The Rinnai B-Series is one of the most affordable continuous flow systems, especially if replacing an existing unit.
✔ Supply & installation available from $1,199 (inc. GST). ✔ Same-day service throughout Brisbane available. ✔ Lower running costs compared to traditional storage systems.
Who Is It Best For?
🏡 Ideal for: ✔ Homes upgrading from gas storage to continuous flow. ✔ Households that want endless hot water without high gas bills. ✔ Properties in colder climates needing frost-resistant systems.
🚫 Not ideal for: ❌ Homeowners looking for solar-integrated water heating. ❌ Those who prefer electric heat pump systems.
Final Verdict: Should You Buy the Rinnai B-Series?
⭐ Overall Rating: 4.7/5
✅ Pros:
✔ Reliable, endless hot water with a 6-star efficiency rating. ✔ 15-year warranty on heat exchanger. ✔ Fast installation & retrofit-friendly design. ✔ Lower running costs vs. gas storage systems. ✔ Low noise operation & durable materials.
❌ Cons:
❌ Not compatible with solar hot water. ❌ No built-in smart home connectivity.
For those looking for a top-tier, gas-powered continuous flow hot water system, the Rinnai B-Series is an excellent investment.
🔧 Need an expert installation? JR Gas & Water is a trusted Rinnai installer! Get a quote today and enjoy endless hot water hassle-free.
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