$2,222.60
300L EnviroFlow GR Series Rinnai 300L EnviroFlow GR Series Heat Pump Hot Water System The Rinnai EnviroFlow GR Series 300L EHPG300VM10 is designed for larger Australian households needing efficient, reliable hot water. It uses R290...
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Rinnai EnviroFlow GR 300L Heat Pump EHPG300VM10
300L EnviroFlow GR Series

Rinnai 300L EnviroFlow GR Series Heat Pump Hot Water System

The Rinnai EnviroFlow GR Series 300L EHPG300VM10 is designed for larger Australian households needing efficient, reliable hot water. It uses R290 refrigerant, a 15A plug connection, smart operating modes and solar PV compatible performance.

✅ 300L Capacity
✅ R290 Refrigerant
✅ 15A Plug
✅ Solar PV Ready

High-Capacity Efficient Hot Water

The EnviroFlow GR 300L captures heat from ambient air and transfers it into water, helping reduce electricity use compared with traditional electric hot water systems.

With 300L storage, 46dB(A) operation and a wide operating range, it is suitable for homes with higher daily hot water demand.

Rinnai EnviroFlow GR 300L heat pump

Why Choose Rinnai EnviroFlow GR?

R290 Refrigerant

Low-GWP refrigerant for modern efficient hot water heating.

High Efficiency

Heat pump technology helps lower hot water energy usage.

Solar PV Compatible

Designed to work alongside rooftop solar PV systems.

Quiet Operation

Listed sound level of 46dB(A).

Technical Specifications

Specification Details
Brand Rinnai
Series EnviroFlow GR Series
Model EHPG300VM10
Tank Volume 300L
Suitable For Up to 6 people / 2 bathrooms / 4 bedrooms
Diameter 640mm
Height 2055mm
Hot Outlet Height 1322mm
Cold Inlet Height 112mm
Net / Filled Weight 124kg / 424kg
Sound Level 46dB(A)
Ambient Operating Range -7°C to +45°C
Ingress Protection IP24
Water Connections ISO 7.1 ¾” RP
PTR Valve Connection ISO 7.1 ½” RP
PTR Valve Rating 1000kPa / 10kW
Refrigerant R290 / 395g
Electric Element Input 2.4kW
Refrigeration Module Input 1.1kW
Total Rated Input 3.3kW
Maximum Energy Output 7.0kW
Power Supply 220–240V AC / 50Hz
Rated Current 13.5A
Power Connection 15A plug fitted or hardwired
Refrigerant Circuit Max Pressure 3091kPa
Heat Output 4.0kW
Package Size 725 × 725 × 2100mm
Warranty

Domestic Use Cylinder
Parts - 7 Years
Labour - 5 Years

Refrigeration  Components 
5 Years

Rinnai EnviroFlow GR controller

Smart Operation & Solar-Friendly Control

  •  . Efficient heat pump operation
  •  . Electric boost support
  •  . Solar PV compatible usage
  •  . Large household hot water capacity
  •  . 15A plug or hardwired installation option

Operating Modes

Eco Mode

Prioritises efficient heat pump operation.

Hybrid Mode

Uses heat pump with electric element support when needed.

Boost Mode

Provides extra heating support for high demand.

Solar Friendly

Can be used with rooftop solar PV generation.

How Heat Pump Hot Water Works

1
Air Drawn In

The system captures heat from ambient air.

2
Heat Absorbed

R290 refrigerant absorbs available heat energy.

3
Heat Compressed

The compressor increases refrigerant temperature.

4
Water Heated

Heat transfers into the 300L storage cylinder.

5
Ready to Use

Hot water is ready for your household.

Frequently Asked Questions

Is the Rinnai EnviroFlow GR 300L suitable for my home?

Yes. It is suitable for larger households of up to 6 people.

What is the model number?

The model number is EHPG300VM10.

What refrigerant does it use?

It uses R290 refrigerant with a 395g charge.

What power connection is required?

The system is supplied with a 15A plug, or it can be hardwired.

How quiet is it?

The listed sound level is 46dB(A).

Is it solar PV compatible?

Yes, it is suitable for use with solar PV energy strategies.

Upgrade to Rinnai EnviroFlow GR 300L

Get high-capacity, efficient and solar-friendly hot water for your home.