Rinnai Infinity B16

The Rinnai Infinity B16 delivers 16 litres of hot water per minute and is recommended for 2-3 person households with 1-2 bathrooms. It is one of the most commonly installed systems in Perth townhouses, two-bathroom units, and smaller family homes. At 16L/min it comfortably handles one shower running alongside a basin tap or a single other outlet without temperature loss. Rinnai lists this model as suitable for homes with 1 to 1.5 bathrooms in their capacity guide.

The Rinnai B16 and the Rinnai Infinity 16 are essentially the same unit internally, same heat exchanger, same burner, same 6.1-star energy rating, and same 16L/min output. The differences are the front panel display (the Infinity 16 has an LED temperature display; the B16 does not), the warranty (Infinity has a 12-year heat exchanger warranty; the B16 also carries 12 years according to Ember’s current listing), and the price. The B16 at $1,419 is priced more accessibly. For most homeowners, the absence of a display panel on the B16 is a minor trade-off for a lower installed cost.

Yes. The Rinnai Infinity B series includes Rinnai’s Puretemp technology, which continuously modulates the burner output to maintain the hot water delivery temperature as close as possible to the set point, even when flow rate changes (for example, when someone flushes a toilet while the shower is running). This avoids the temperature spikes and cold drops that are a common complaint with lower-end continuous flow systems. It is one of the reasons Rinnai continuous flow units have a strong reputation for consistent shower performance.

The Rinnai B series is compatible with an optional Rinnai MC-601Q temperature controller, which allows the hot water set temperature to be adjusted from inside the home. This can be useful for households with young children, elderly residents, or seasonal temperature preferences. The controller mounts on an internal wall and connects to the unit via a cable run during installation. If you would like a temperature controller included with your Rinnai B16 installation, let Ember know at the time of booking.

Yes. Rinnai continuous flow hot water systems are manufactured in Japan. Rinnai is a Japanese company with over 100 years of manufacturing experience, and production of its hot water range remains in Japan. This is a meaningful quality signal, Japanese manufacturing standards for gas appliances are among the strictest in the world. The combination of Japanese build quality and a 12-year heat exchanger warranty makes the Rinnai B series one of the most trusted continuous flow options in the Australian market.

Ember’s $1,419 installed price for the Rinnai Infinity B16 includes the unit, all standard installation labour, connection to existing gas and water lines, a Certificate of Compliance for the gas installation, and free removal and disposal of your old hot water system. The price applies to a standard like-for-like replacement. If additional work is required, such as new pipework, a power point installation, or valve upgrades, Ember’s technician will confirm this with you before proceeding. There is no call-out fee and all prices include GST.