Rinnai B26 Price Guide (2025)

If you’re looking for a reliable, energy-efficient gas hot water system, the Rinnai B26 is one of the most popular choices in Australia.

But how much does it actually cost?

In this article, we’ll break down the Rinnai B26 price, installation costs, and key factors that influence its value—so you can make an informed decision before buying.

What Is the Rinnai B26?

The Rinnai B26 is a continuous flow gas hot water system designed for medium to large households. It delivers 26 litres of hot water per minute, ensuring that multiple taps can run simultaneously without running out of hot water.

Key Features:

• High flow rate – 26L/min
• Compact, wall-mounted unit
• LPG or natural gas options
• 5.9-star energy rating
• Internal temperature control
• 12-year warranty on heat exchanger

It’s ideal for homes that want reliable hot water with reduced energy bills and space-saving installation.

Rinnai B26 Price Overview (2025)

So, what does the Rinnai B26 cost in 2025? Prices vary based on where you buy it and whether installation is included.

💡 Tip: Always check whether the quoted price includes GST, delivery, or installation extras.

What Affects the Rinnai B26 Price?

Several variables can influence the total cost of a Rinnai B26 hot water system:

• Installation complexity: Replacing an electric unit with gas may require plumbing upgrades or a gas line extension.
• Location: Prices in metro areas are typically more competitive than in regional locations.
• Accessories: Optional extras like remote temperature controllers or flue kits can add $100–$300.
• Gas type: LPG models might require additional fittings or delivery services.
  

Rinnai B26 vs Other Hot Water Systems

Wondering how the B26 stacks up against similar models?

The Rinnai B26 is a budget-friendly alternative to the Infinity 26, offering excellent performance at a lower price point.

Where to Buy the Rinnai B26

You can find the Rinnai B26 at most major plumbing suppliers and home improvement stores:

• Reece Plumbing
  
• Tradelink
  
• Bunnings Warehouse
  
• Local hot water installers
  
• Online plumbing supply stores
  

While online prices can be cheaper, purchasing through a local installer often includes better warranty support and professional installation.

Is the Rinnai B26 Worth the Price?

Yes—especially if you’re after a reliable, long-lasting, and energy-efficient system. While it’s not the cheapest on the market, the Rinnai B26 offers great long-term value through:

• Lower energy consumption
• Reliable hot water delivery
• Minimal maintenance
• Long warranty coverage
  

Some local councils or states may also offer rebates or incentives for upgrading to efficient gas units—worth checking before purchasing.

Expert Tips on Saving Money When Buying a Rinnai B26

• Get multiple quotes from local installers to compare total supply & install costs.
  
• Look for seasonal promotions—winter is often a great time for deals.
  
• Check for government rebates for energy-efficient upgrades.
  
• Bundle with other services (e.g., bathroom reno or plumbing) for discounts.
  

FAQs About the Rinnai B26 Price

Q: Is installation included in the Rinnai B26 price?
A: Not always. Be sure to ask if the quoted price includes standard installation, removal of the old unit, and compliance certificates.

Q: What’s the difference between Rinnai B26 and Infinity 26?
A: The Infinity 26 has slightly better efficiency and extra features like status monitoring—but it costs more.

Q: How long does the Rinnai B26 last?
A: With regular servicing, you can expect 12–15 years of reliable performance.