Rheem Stellar 330 Gas Hot Water System Review – 5-Star Power and Performance

Apr 20, 2023

When it comes to premium gas storage hot water systems, the Rheem Stellar 330 is in a class of its own. With a 5-star energy rating, high recovery rate, and proven durability, this system is engineered to deliver consistent hot water at a lower operating cost. If you’re looking for a long-lasting, energy-efficient, and powerful gas hot water system, the Rheem Stellar 330 is one of the best investments you can make.

Why Choose the Rheem Stellar 330?

  • ✅ 5-star energy efficiency – Lower running costs

  • ✅ 330L first-hour delivery – Never run out of hot water

  • ✅ High recovery rate (200L/hour) – Ideal for medium to large families

  • ✅ Durable vitreous enamel-lined tank – Corrosion-resistant, built to last

  • ✅ 10-year cylinder warranty – Industry-leading peace of mind

  • ✅ Multiple taps can run hot water at once – No pressure drop


Powerful Performance & Energy Efficiency

The Rheem Stellar 330 is designed to deliver instant, high-pressure hot water to multiple taps simultaneously. Whether you're running a full household, filling a bathtub, or using hot water across multiple bathrooms, this system ensures that you never run out of hot water, even during peak usage times.

🔥 Unmatched Hot Water Delivery

  • 130L storage capacity with 200L/hour recovery rate – fast reheating

  • Mains pressure performance – run multiple taps at once

  • 5-star energy rating – save on gas bills

💰 Real-World Savings

  • Uses less gas while delivering more hot water

  • Lower energy bills compared to standard 4-star systems

  • Long-term cost efficiency = better savings over time


Easy Installation & Retrofit Compatibility

The Rheem Stellar 330 is designed for quick and hassle-free installation, perfect for both new builds and replacements.

🔧 Installer-Friendly Benefits

  • Compact size: 1600mm high × 485mm wide

  • Left-hand inlets & outlets – less plumbing work needed

  • Outdoor install – no added ventilation costs

Perfect for replacing older Rheem, Vulcan, or Dux gas systems.


Built for Longevity – Unmatched Durability

Rheem is known for making long-lasting systems, and the Stellar 330 is a standout.

💪 Superior Build Quality

  • Vitreous enamel-lined steel tank – corrosion-resistant

  • Heavy-duty components – built for 20+ years of service

  • Minimal maintenance – no anode replacements required

📜 Industry-Leading Warranty

  • ✅ 10-year cylinder warranty

  • ✅ 3-year labour warranty on cylinder

  • ✅ 1-year parts and labour warranty


Real-Life Performance

  • Trusted by thousands of Aussie families

  • Known for low maintenance needs

  • Many customers report 20+ years of reliable operation


Smart Compatibility & Safety Features

While not “smart” out of the box, the Stellar 330 is future-ready.

⚡ Key Safety Features

  • Over-temperature shutoff

  • Pressure relief valves

  • Sealed flue design – cleaner and safer operation

🔹 Optional Smart Add-Ons

  • Integrates with third-party smart controllers for Wi-Fi and automation


Rheem Stellar 330 vs Other Gas Storage Systems

Feature Rheem Stellar 330 Vulcan 135L Dux Prodigy 135 AquaMAX G270SS
Energy Rating ⭐⭐⭐⭐⭐ (5-star) ⭐⭐⭐⭐ (4-star) ⭐⭐⭐⭐⭐ (5-star) ⭐⭐⭐⭐⭐ (5-star)
First Hour Delivery 330L 270L 270L 270L
Recovery Rate 200L/hr 135L/hr 135L/hr 155L/hr
Tank Material Vitreous Enamel Vitreous Enamel Vitreous Enamel Stainless Steel
Warranty 10 years 7 years 10 years 12 years
Best For High-use families Budget buyers Mid-range homes Stainless steel seekers

Pricing & Installation – Is It Worth It?

💰 Approximate Pricing

  • Unit only: $1,800–$2,000

  • Fully installed: $2,500–$3,000 (location dependent)

⚡ Long-Term Value

  • Lower running costs than 4-star systems

  • Virtually maintenance-free

  • Built to outlast cheaper alternatives


Final Verdict – Is the Rheem Stellar 330 Worth It?

✅ Absolutely! If you’re after a high-performance gas storage system that delivers reliable, efficient hot water year after year, the Rheem Stellar 330 is the clear winner.

  • ✔ 5-star gas efficiency

  • ✔ Huge hot water recovery

  • ✔ Built to last over 20 years

  • ✔ Minimal maintenance

  • ✔ Backed by Australia’s leading warranty


Who Should Buy the Rheem Stellar 330?

  • Families who use lots of hot water daily

  • Homeowners replacing an old gas unit

  • Anyone wanting peace of mind and premium performance


Consider a Heat Pump Instead?

If cutting energy costs even further is your top priority, check out our high-efficiency heat pump hot water systems like the Rheem Ambiheat or Stiebel Eltron WWK302h.


Get Your Rheem Stellar 330 Installed Today

At JR Gas & Water, we supply and install the Rheem Stellar 330 across Brisbane, Gold Coast, Logan, Ipswich, Redlands, and Moreton Bay.

💧 Get expert installation, unbeatable service, and industry-best pricing – all from your award-winning local team (Best Plumbers & Home Care Store 2023–2025).

👉 Book online today and experience premium hot water performance, delivered fast!


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