Rinnai Infinity B26 Black Gas Continuous Flow Hot Water System
SunCity Hot Water supplies, installs, services and repairs the Rinnai Infinity B26 Black Gas Continuous Flow Hot Water System across the Sunshine Coast, Brisbane, Bribie Island and Gympie — endless, 6-star hot water in a sleek black finish. Call 1300 728 122.
- 26 L/min — up to 3 bathrooms
- 6-star gas efficiency
- 25-year heat exchanger warranty
- Modern black finish
The Rinnai Infinity B26 in Black
The Rinnai B26 Continuous Flow Hot Water system — now in a sleek black finish — delivers the same solid, reliable performance you can count on. It heats water on demand for endless hot water, with high-quality Japanese-designed componentry in a compact, durable case.
At 26 L/min it comfortably runs 1–3 shower outlets, making it ideal for homes with two or three bathrooms. With 6-star efficiency, Puretemp™ temperature stability, WELS low-flow compatibility and support for up to four water controllers, it's a premium, cost-effective choice.
SunCity Hot Water supplies, installs, services and repairs the Rinnai Infinity B26 Black across South-East Queensland. Call 1300 728 122 and we'll help you get it sorted.
Why the Rinnai B26 Black?
The reliability of the Builders B26 in a modern black finish, backed by a market-leading warranty.
Sleek Black Finish
The reliable Builders B26 in a modern black finish — high-quality Japanese-designed componentry in a compact case.
Ideal for 2–3 Bathrooms
Delivers up to 26 L/min — enough for 1–3 shower outlets in a warm climate, great for busy family homes.
6-Star Efficiency
Superior 6-star gas efficiency for lower ongoing running costs, heating water only on demand.
Puretemp™ Stability
Puretemp™ technology holds a perfectly stable outlet water temperature, shower after shower.
25-Year Heat Exchanger
Built to last with an industry-leading heat exchanger warranty (12 years standard + 13 years extended).
Safe & Connectable
50°C-compliant models with quick-connect for up to four water controllers and electronic flame sensing.
Technical Specifications
Full specifications for the Rinnai Infinity B26 Black gas continuous flow water heater.
- Heating capacity (25°C rise)
- 26 L/min
- Suits
- 1–3 bathrooms (warm climate)
- Gas energy rating
- 6.0 star
- Factory pre-set temps
- 50 / 60 °C
- Min. operating flow
- 1.5 L/min
- Gas input (high)
- 199 MJ/h
- Gas type
- Natural gas
- Ignition
- Direct electronic, auto flame sensing
- Connections (H/C/Gas)
- 20 mm (3/4")
- Electrical supply
- AC 240V 50Hz (10A weatherproof)
- Water controllers
- Up to 4
- Dimensions (H×W×D)
- 531×351×195 mm
- Weight
- 15 kg
- Colour
- Black
- Installation
- External
- Heat exchanger warranty
- 25 years (12 + 13 extended)
- Parts & labour warranty
- 3 years (5 with 2+ controllers)
- Approvals
- WaterMark / AS3498
Specifications from the Rinnai B26 Black data sheet. 50°C models adjust up to 53°C; 60°C-plus installs need a tempering valve per AS3500.4. Data may change without notice.
Rinnai B26 Black Brochure
Full features, specifications & warranty (PDF).
Market-leading warranty
Built to Last
The B26 Black is backed by a 25-year heat exchanger warranty (12 years standard + 13 years extended) and 3 years parts & labour — 5 years with two or more water controllers. Every install is backed by our own quality workmanship guarantee.
Exchanger
& Labour
Prefer the standard white finish? See the Rinnai Infinity B range, all instant hot water systems, or gas hot water systems.
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SunCity Hot Water supplies and installs all types of hot water systems, including electric hot water systems, gas hot water systems, solar hot water systems and heat pump hot water systems. Call 1300 728 122 for same-day service.
Our local technicians are part of the SunCity Brisbane hot water systems and Sunshine Coast hot water systems service network — available for same-day hot water system repairs and replacement across South East Queensland. Call 1300 728 122 for same-day service.
FAQs
Rinnai Infinity B26 Black — Frequently Asked Questions
What is the Rinnai Infinity B26 Black?
The Rinnai Infinity B26 Black is a 26 L/min gas continuous flow (instantaneous) hot water system in a sleek black finish. It heats water on demand — no storage tank — for endless hot water, with the same solid Builders B26 performance and Puretemp™ temperature stability.
How many bathrooms does the Rinnai B26 Black suit?
The B26 delivers up to 26 L/min, suiting 1–3 shower outlets in a warm climate (1–2.5 in a cool climate) — ideal for homes with 2–3 bathrooms. We'll confirm the right sizing for your household and fixtures.
What gas does the Rinnai B26 Black use?
The B26 Black is a natural gas unit. It has direct electronic ignition with automatic flame sensing, and supports up to four Rinnai water controllers for the kitchen and bathrooms.
Does the Rinnai B26 Black need a tempering valve?
50°C-compliant models can be adjusted up to 53°C. For 60°C-plus installations a tempering valve is required in accordance with AS3500.4. We'll confirm what your installation needs.
What warranty does the Rinnai B26 Black have?
It comes with a 25-year heat exchanger warranty (12 years standard plus 13 years extended) and 3 years parts and labour — extended to 5 years parts and labour when two or more water controllers are installed in domestic applications — plus our own workmanship guarantee on installation.
Do you install and repair the Rinnai Infinity B26 Black?
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