Rinnai HOTFLO Heat Pump Hot Water System

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About Rinnai HOTFLO Heat Pump

A Rinnai Hotflo heat pump can save you up to 25% on your ongoing hot water bills! Classed in the same category as solar powered hot water heaters, Rinnai have two heat pump options available:

  • Hotflo Split Heat Pump
  • Hotflo Integrated Heat Pump
Rinnai Infinity Continuous Flow Gas hot water system

Both models are electric heat pump hot water storage systems which heat the water via the use of the ambient outside air.

Making them an ideal alternative to a solar powered system, especially when you don’t have the option to install solar collectors on your roof; with the same footprint design as an electric storage hot water heater they also make for an easy replacement option.

How does a Rinnai heat pump work?

The Rinnai Hotflo heat pump range uses around one third less power when compared to a standard electric hot water heater.

The application works in much the same way as a refrigerator but in reverse.

Even if the outside air feels cold to us it will still be warmer than the refrigerant in the heat pump; this air is drawn in via a fan and heats the refrigerant turning it into a high temperature gas.

The gas is then pumped around and the heat is transferred via a heat exchanger to heat your water being stored in the tank. As heat is drawn into the tank the refrigerant cools down again allowing the process to begin once more.

Which Rinnai heat pump is right for me?

If you would like to save money on your hot water heating requirements by using a highly renewable energy source then a heat pump hot water heater is the ideal solution.

As it is classed in the same category as a solar powered hot water heater there are generous government rebates in place upon the installation of a new heat pump, making them extremely cost effective – both upon purchasing and in regards to your ongoing energy bills.

The two types of heat pumps available from Rinnai include;

Rinnai Hotflo Split Heat Pump hot water system

Rinnai Hotflo Split Heat Pump

The Rinnai Hotflo Split heat pump consists of two sections and is ideal for an internal installation or replacement of an existing internal hot water storage tank.

If you would rather the system be installed externally this is a viable option also.

The Hotflo Split heat pump consists of a commercial grade stainless steel tank along with a compact compressor.

The tank capacity is 265 litres and is backed by Rinnai’s extremely generous warranty terms.

Rinnai Hotflo Integrated Heat Pump

The Rinnai Hotflo Integrated heat pump is an all in one system that allows for quick and easy installation.

It is the ideal solution for replacing an electric storage hot water system as the design footprint is the same.

The storage cylinder is coated with vitreous enamel to allow for longer lasting durability and has a capacity of 259 litres.

The Hotflo Integrated heat pump is hard water compatible and backed by Rinnai’s comprehensive warranty terms.

Rinnai Hotflo Integrated Heat Pump hot water system

No Interest Ever!* Payment Plan Options Available

No Interest Ever!* payment plan options available on hot water heater replacements to help ease any financial stress this burden may cause. If your rinnai hot water heater is leaking, or you have no hot water, we can often have a plumber to you within the hour*.

Jim’s Plumbing – your Rinnai Heat Pump specialists

Both of the Hotflo heat pumps from Rinnai are not available in all regions of Australia. If you’d like to know which heat pump is available to you, and if it’s suitable for your property and hot water heating requirements, then call a local plumber from Jim’s Plumbing for expert advice.

The fully qualified plumbers from Jim’s Plumbing are the Rinnai hot water experts covering all metropolitan areas of Adelaide, Melbourne, Perth, Brisbane, Sydney and Canberra.

We are available 24 hours a day, 7 days a week and even have a plumber on call during all public holidays – including Christmas day!

Call us for your Rinnai heat pump hot water installations, repairs or replacements – if it’s an emergency we strive to be at your location within an hour* of your plumber booking.

Ask us about our INTEREST FREE payment terms* on the Rinnai Hotflo heat pump range – all you need is a 10% deposit!

The Hotflo heat pump specifications are listed below;


RINEHP32/HPST265 Split Heat Pump

RIN250EHP Integrated Heat Pump

Max. Water Pressure



Width of Unit



Height of Unit



Weight of Unit

56kg (empty)

113kg (empty)

Capacity of Unit

265 Litres

259 Litres

Power Consumption



Hot Water Outlet – Height



Cold Water Inlet – Height



Heat Pump Module Height



Heat Pump Module Width



Heat Pump Module Depth



Overall Clearance Required



Fan Clearance Required



Domestic Warranty

10 yrs parts / 3 yrs labour

5 yrs parts / 1 yr labour

Suitable for areas

Enquire with Jim’s Plumbing

Enquire with Jim’s Plumbing

Choosing the Correct Hot Water System

Choosing the correct hot water system can be difficult, as there are so many options to choose from; Click on the links to find out more about these systems.




Heat Pump


Gas boosted solar

Please be advised that we may have additional Rinnai Hot Water System models available.

For a full breakdown of all Rinnai hot water system prices, including Gas, Electric and Solar water heaters, please click here.

Simply book a plumber online now, or phone 1300 133 509 to book now.

1All pricing includes installation and GST*

2 Replacing existing unit of same brand and litre capacity requiring no pipework alterations.

*NO INTEREST EVER!* PAYMENT PLAN, “Fees, terms and conditions apply”.

No Interest Ever!* Payment Plan offered through Certegy Ezi-Pay Express. No Interest Ever on your hot water heater replacement or new supply and installation, gas service, water service or drain replacement. Conditions apply.

Information on this page is subject to change. Commercial hot water systems also available on enquiry.

*Conditions apply.