Rinnai Infinity B20 Gas Continuous Flow Water Heater | INF20N50B - Sarros Hot Water RinnaiGas Instantaneous
Rinnai Infinity B20 Gas Continuous Flow Water Heater | INF20N50B - Sarros Hot Water RinnaiGas Instantaneous
Rinnai Infinity B20 Gas Continuous Flow Water Heater | INF20N50B - Sarros Hot Water RinnaiGas Instantaneous
Gas Instantaneous

Rinnai Infinity B20 Gas Continuous Flow Water Heater | INF20N50B

$1,299.00
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Tax included.
Installation Option
  • Unit only
  • Supply & Installation Package

Rinnai Infinity B20 Gas Continuous Flow Water Heater

Looking for reliable hot water system installation in Perth? The Rinnai Infinity 20 gas continuous flow hot water system delivers endless hot water for 1-2 bathroom homes across Perth and the Peel region. Sarros Hot Water Experts provide professional installation with a lifetime guarantee.

Gas Specifications

Warranty & Downloads

Technical Specifications

Dimensions & Weight

GAS CONSUMPTION (Mj/hr)

GAS ENERGY RATING

6 Star

GAS TYPE

["Natural Gas"]

Workmanship Warranty

Manufacturers Warranty

Heat Exchanger 12 Years 
All Other Components 3 Years

*For Full Manufacturer's Warranty Please Visit Rheem

Flow Rate | Tank Capacity

20L/min

Household Size

5+ People

Installation Location

Outdoor

Power Required

Yes - For Ignition

Dimensions HxWxL (mm)

Height - 571mm
Width - 356mm
Depth - 202mm

Weight

15.5

Built to save space while delivering powerful performance

Rinnai continuous flow hot water systems mount neatly to your wall and provide a steady supply of hot water to every tap. These units only heat water as you need it, reducing energy waste and helping to lower your running costs. Enjoy reliable, on-demand hot water for your home with the trusted efficiency of Rinnai.
Rinnai_Hot_Water_System
Rinnai_Infinity_B_Series

Why Choose Rinnai Continuous Flow Hot Water?

Rinnai continuous flow hot water systems are trusted across Australia for their reliability, efficiency, and innovative design. 
With a reputation for quality, Rinnai units deliver a constant supply of hot water—so you’ll never run out, even during busy mornings. 
Their advanced technology heats water only when you need it, helping you save on energy bills and reduce environmental impact. Compact and wall-mounted, Rinnai systems are perfect for homes where space is at a premium, and their durable construction stands up to Australia’s tough conditions. Choose Rinnai for proven performance, lower running costs, and the peace of mind that comes with one of the world’s leading hot water brands.

Rinnai Infinity B20 Gas Continuous Flow Water Heater | INF20N50B

Frequently Asked Questions 

Can you replace my existing hot water system?

In most cases, yes. We regularly replace older gas or electric systems with new Rinnai continuous flow units. Our team will check your current setup, gas supply and location to confirm what’s required and provide a clear, upfront quote.

What warranty do I get?

You’ll receive the full Rheem manufacturer warranty on the unit plus our lifetime workmanship guarantee on the installation when supplied and installed by Sarros.

Can I use a Rinnai gas continuous flow unit with LPG as well as natural gas?

 Rheem continuous flow models are available in both natural gas (NG) and LPG versions, but the gas type is model‑specific. Our Rheem systems are clearly labelled, with specifications outlined.

Do I need a power point for a Rinnai gas continuous flow unit?

Most Rheem continuous flow units will require a power point. Some models such as the Rheem Pronto, will not require power.

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