Rinnai Hotflo Plus 250L Heat Pump
Rinnai Hotflo Plus 250L Heat Pump
Transform your Hot Water system with superior efficiency
Enjoy reliable, energy-efficient hot water all year round with the Rinnai Hotflo Plus 250L Heat Pump Hot Water System, exclusive to Plumbing Plus.
Perfect for families of up to five, it’s built to perform in a wide range of Australian conditions.
Designed with innovative energy-saving technology, it helps reduce your household energy use and running costs, without compromising on performance.
Federal Government Grants (excl. ACT) plus State Government Grants for VIC/NSW available - more information can be found below.
High energy efficiency
Perfect for replacing an electric storage tank
Adaptable for all climates
Convenient Wi-Fi timer
Quiet operation
Auto disinfection
Federal Government Grants for all regions (excl. ACT) available
State Government Grants for VIC/NSW available
7 year cylinder warranty*
The Rinnai Hotflo Plus 250L Heat Pump Hot Water System delivers dependable hot water whenever you need it.
Superior technology
- Innovative controller to maximise hot water availability while using more than 70% less energy
- Operates in ambient air conditions ranging from -7°C to 45°C
- Inbuilt electric element to ensure you always have a reliable supply of hot water
- Built in anti-frost function to protect the evaporator in colder climates
- Operates quietly at a low 46 dB(A), quieter than the average noise level of a household dishwasher
- Option to run only at off-peak times, when the electricity cost is lower
- High efficiency R290 refrigerant with a low Global Warming Potential of just 0.02
- Built in Wi-Fi module allows for convenient control from anywhere
- Auto restart function - in the event of a power outage it will automatically restart once the power is re-instated
Rinnai quality
- 7 year cylinder warranty*
*7 year extended Inner Storage Cylinder warranty available subject to participating in the Rinnai scheduled service program. For full terms and conditions please refer to the warranty booklet.
Federal Small-Scale Technology Certificate (STC’s)
The Rinnai Hotflo Plus 250L Heat Pump’s innovative design allows it to be eligible for Grants through the Federal Government’s Small-Scale Renewable Energy Scheme, generously covering a proportion of the up-front costs of purchasing and installing the system. These grants are called Small-Scale Technology Certificates (STCs) and are offered based on how sustainable a hot water system is. Your STC rebate value will depend on your installation location, see the map above for your geographic zone locations.
Certified System Code | STCs from Jan 1st 2025 to Dec 31st 2025 | STCs from Jan 1st 2026 to Dec 31st 2026 | ||||||||
Zone 1 | Zone 2 | Zone 3 | Zone 4 | Zone 5 | Zone 1 | Zone 2 | Zone 3 | Zone 4 | Zone 5 | |
Heat Pump | ||||||||||
EHPG250VMP | 15 | 14 | 18 | 19 | 19 | 13 | 12 | 15 | 16 | 16 |
State Government Grants
Victoria
- For Victorian consumers there are additional rebates available for replacing inefficient hot water systems with Heat Pumps.
- Victorian Energy Efficiency Certificates (VEECs) are offered for eligible installations on top of the Federal STC grants - making the conversion to a Rinnai Hotflo Plus 250L Heat Pump the obvious low-cost choice.
New South Wales
- For New South Wales consumers there are additional rebates available for replacing inefficient hot water systems with Heat Pumps.
- Energy Savings Certificates (ESCs) are offered for eligible installations on top of the Federal STC grants - making the conversion to a Rinnai Hotflo Plus 250L Heat Pump the obvious low-cost choice.
The value of STCs and State Grants are a tradable, market driven commodity. Values are subject to daily variation and are valid as of 01/05/2025.
Rinnai – Hotflo Plus 250L Heat Pump | Values | Unit | EHPG250VMP | |
Shower Outlets | No | 2 | ||
Dimensions | Unit | Height | mm | 1855 |
Diameter | 640 | |||
Package | Height | 2035 | ||
Width | 725 | |||
Depth | 725 | |||
Hot Outlet | 1132 | |||
Cold Outlet | 112 | |||
Weight | Empty | kg | 116 | |
Filled | 366 | |||
Tank Volume | L | 250 | ||
Sound Level | dB(A) | 46 | ||
Ambient Temperature Limits (for heat pump operation – element will operate beyond these limits) |
°C | -7 to 45 | ||
Ingress Protection | IP24 | |||
Storage Cylinder Connections | Hot Outlet / Cold Inlet | RP | ISO 7 1¾” | |
PTR Valve | ISO 7 1½” | |||
Pressure and Temperature Relief (PTR) Supplied Valve Settings / Ratings | kPa / kW | 1000 / 10 | ||
ECV Fitted | Fit PLV if mains pressure exceeds | kPa | 680 | |
Recommended PLV pressure rating | 500 | |||
ECV Not Fitted | Fit PLV if mains pressure exceeds | 800 | ||
Recommended PLV pressure rating | 500 | |||
Refrigerant Type / Mass | R / g | 290 / 395 | ||
Rated Input | Factory Wired | Electric Element | kW | 2.4 |
Refrigeration Module | 1.1 | |||
Wired by Installer | Total | 3.3 | ||
Power Supply | V AC / Hz | 220–240 / 50 | ||
Rated Current (15 Amp plug fitted) | Maximum | Amps | 13.5 | |
Energy Output | Use to size PTR | 7.0 | ||
Heat Output# | kW | 4.0 | ||
Refrigerant Circuit Maximum Pressure | kPa | 3091 | ||
Coefficient Of Performance (COP)# | kW | 8.5 |
Warranty*
Type of Use | Cylinder | Refrigeration Components | Other Components | |
Domestic Use | Parts | 7 years | 5 years | 1 year |
Labour | 5 years | 5 years | 1 year |
#32.6°C ambient 21.1°C cold water inlet
*Please refer to the Warranty Booklet for more information.
Without limiting the above periods, a 5-year whole-of-product warranty applies where a rebate has been received under the Solar Victoria Solar Homes Program for installations from 1 July 2023. For further details, contact Rinnai.

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Hotflo Plus 250L Electric Heat Pump Brochure Preview
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Hotflo Plus 250L Electric Heat Pump Operation and Installation Manual Preview
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Hotflo Plus 250L Electric Heat Pump Technical Information Preview
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Hotflo Plus 250L Electric Heat Pump Error Codes Preview
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Hotflo Plus 250L Electric Heat Pump Warranty Booklet Preview