Rinnai Infinity B16

Efficient and reliable hot water for small to medium homes

Enjoy continuous hot water when you need it with the Infinity B16 Gas Continuous Flow Hot Water Heater – an ideal solution for homes with one bathroom and moderate hot water demand.

The Infinity B16 is engineered for performance, yet only uses energy when a hot water tap is in use. This on-demand design helps you cut down on energy costs without sacrificing comfort.

Rated at an exceptional 6.1 stars for energy efficiency*, it’s one of the most economical 16L gas hot water systems in its class.

Designed with Australian households in mind, the unit features compact, space-saving profile, digital temperature control for accurate adjustment and built-in safety features and Puretemp™ technology for temperature consistency.**

Protected by Rinnai’s industry-leading 25 year heat exchanger warranty***, the Infinity B16 is built to last in tough environments.

Enhance your system with optional hot water controllers for added convenience and personalisation.

Dimensions:

H: 571, W: 356, D: 202

Important Pricing Information

Our listed prices apply to standard, like-for-like replacements of existing hot water systems, assuming the new unit is similar in type and easily accessible.

If your setup requires additional work-such as new pipework or valve upgrades-extra charges may apply. These costs generally range between $85 and $420. Any variations will be clearly explained by our technician before work begins, so you know exactly what to expect.

Please note:
Quoted pricing is based on compliant installations. If your system requires upgrades to meet current plumbing or gas regulations, this may incur additional costs. Again, our team will always discuss these with you upfront.

What’s Included

✔️ Removal and responsible disposal of your old hot water unit
✔️ Plumbing and gas compliance certificates provided
✔️ Honest pricing, no surprises-unlike many online-only providers
✔️ Perth-based customer service you can rely on

✔️ All work done to AS3500 standards

System Type Changeover?

Converting from gas storage to continuous flow? Expect an additional cost of $450–$1550 depending on site specifics.

Features & Performance

• Ideal for 1 bathroom
• Never runs out of hot water
• Precise temperature control for safety and convenience
• 6.1 Star equivalent* energy rating
• Status operation monitor
• Puretemp™ temperature stability technology**
• LPG or Natural Gas models available
• 25 year extended heat exchanger warranty***

6.1 Star equivalent energy rating*

• Low running costs
• Highly efficient
• Low greenhouse gas emissions

Superior technology

• Quality Japanese design and manufacturing
• Precise temperature control for safety and convenience
• Compact design allows installation flexibility
• Suitable for higher ambient water temperatures
• Compatible with low flow rated shower fixtures

Rinnai quality

• 25 year extended heat exchanger warranty***
• After sales support

Related products/Add-ons

★ Hot Water Controllers
★ Pipe Covers
★ Recess Boxes
★ Security Brackets
★ Smartstart Water Saver system

Specifications

* Sizing assumes AAA or 3 star outlets. For non WELS rated or WELS rated fixtures with higher flow outlets (AA, A, 2 star or 1 star rated), a larger size appliance or additional appliance may be required to deliver adequate performance. This is a guide only, special site and location factors may affect this. Half a shower outlet refers to a guest shower or powder room that is not used all the time. For more information, consult with your hot water specialist.

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