Rinnai Infinity B26 Guide

Rinnai Infinity Gas Hot Water System Guide

What’s the Difference

Rinnai B26 vs Rinnai Infinity 26

The Rinnai B26 is part of Rinnai’s Builders Range and is essentially the same system as the standard Rinnai Infinity 26. Performance, water output, and efficiency are identical. The key differences are cosmetic changes and warranty structure rather than how the system operates.

Key Similarities

Both units share Rinnai’s proven continuous flow technology, delivering reliable and efficient hot water for Australian homes.

26L/min Capacity

Suitable for 2–3 bathroom homes with simultaneous hot water.

6 Star Energy Rating

High efficiency gas operation designed for Australian conditions.

50°C Preset Available

Complies with Australian safety standards for bathroom use.

Key Differences

The Rinnai B26 is part of Rinnai’s Builders Range, while the Infinity 26 is marketed as a premium retail model.

Warranty Period

B26: 10-year heat exchanger warranty
Infinity 26: 12-year heat exchanger warranty

Outer Casing & Finish

The Infinity 26 features a refined external finish for visible installations. Internal performance remains the same.

Price & Value

B26 is more cost-effective while delivering identical performance.

Running Costs

Performance, Efficiency and Running Costs

Both the Rinnai B26 and Infinity 26 are designed to provide continuous hot water without the limitations of storage tanks. Water is heated only when required, making these systems highly efficient and cost-effective for Australian households.

Energy Efficiency

Only water that is used is heated, making gas continuous flow systems significantly cheaper to run than electric storage systems.

Why Homeowners Choose These Systems

Well Suited For

Installation Overview

Installation, Price and What’s Included

Installation costs vary depending on gas supply, pipe runs, access, and existing system removal. Both systems require outdoor mounting and adequate gas supply.

Typical Installation Includes

Installation Factors That Affect Price

The B26 is often chosen where budget is a priority without sacrificing performance.

Running Costs

Warranty, Reliability and Long-Term Value

Rinnai warranties focus on parts and labour coverage during the first critical years of operation. Most hot water system issues occur early in their lifespan, and Rinnai has a strong reputation for fast warranty response.

Reliability

Rinnai Infinity systems are known to last well beyond 15 to 20 years when installed correctly. Heat exchangers are built for longevity, and failures are extremely rare.

Why Rinnai Is Trusted

Final Recommendation

If you want reliable continuous hot water with proven efficiency and long-term performance, both the Rinnai B26 and Infinity 26 are excellent choices.