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Madimack ResiSTEAM 300L Heat Pump Hot Water System

SKU: MMESGHW300
Regular price $3,399.00 $2,850.00
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Madimack ResiSTEAM 300L Heat Pump Hot Water System – MMESGHW-300
Smart. Efficient. Solar-ready.

The Madimack ResiSTEAM is a powerful 300L all-in-one residential heat pump designed to keep up with daily hot water demands while cutting energy costs. With smart solar compatibility and a sleek, modern design, it’s a future-ready upgrade for any home.

Backed by STC government rebate approval, this unit helps homeowners save on upfront and ongoing costs, especially when paired with solar panels. During peak sun hours (10am–2pm), the system draws from your solar power to heat water - effectively producing it for free.

Highlights

  • Model Number: MMESGHW-300

  • 300L integrated heat pump system for family-sized hot water use

  • PV Smart Integration lets the unit prioritise solar energy when available

  • Smart solar mode with 3 settings: Simple Mode, Inverter Activated, Combined Mode

  • Quiet performance at just 48 dB thanks to a sound-insulated compressor

  • Output temperatures up to 75°C

  • Auto-defrost function for colder weather operation

  • Auxiliary 2000W electric heater kicks in during extreme conditions

  • Modern square design with a clean look

  • Auto-operation mode for set-and-forget performance

  • Smart sterilisation mode for hygiene and peace of mind

  • Large digital touch screen for easy control

  • High-pressure protection built-in

  • External condenser coil — safer and more reliable

  • Eco-friendly R290 refrigerant with excellent thermal performance

Madimack ResiSTEAM 300L Heat Pump Hot Water System feature set 1

Construction

This unit is fully enclosed with a compact footprint, using a high-efficiency R290 refrigerant system and external coil to deliver consistent performance with minimal noise. The large touchscreen gives full access to control modes, temperatures, and smart settings — all in a sleek, upright unit designed to integrate easily into modern homes.

Applications

  • Replacing electric or gas hot water systems

  • Homes with solar PV looking to reduce electricity bills

  • New builds prioritising energy efficiency

  • Families wanting reliable, all-day hot water

Specifications

  • Heating capacity: 2.775kW

  • Coefficient of performance (COP): 4.183

  • Max input power: 2400W

  • Power supply: 220–240V, 50Hz

  • Heat pump power: 664W

  • Electric heater power: 2000W

  • Refrigerant: R290 (420g)

  • Operating range: -7°C to 43°C

  • Noise level: 48dB

  • Water tank capacity: 300L

  • Dimensions: 620mm diameter × 1890mm height

  • Shipping dimensions: 700mm × 700mm × 2040mm

  • Net weight: 130kg, gross weight: 142kg

  • The Madimack ResiSTEAM 300L Heat Pump Hot Water System (Model MMESGHW-300) offers a comprehensive warranty package for residential installations:

    • 5-year warranty on the sealed system and electrical components

    • 3-year warranty on the compressor

What’s Included

  • 1 × Madimack ResiSTEAM MMESGHW-300 Unit

  • Built-in 300L hot water tank

  • Touchscreen control panel

  • Smart solar compatibility with three integration modes

  • Preloaded with R290 refrigerant

Government Rebate Eligible

The Madimack ResiSTEAM qualifies for Small-scale Technology Certificates (STCs) under the federal scheme, rewarding households that upgrade to efficient systems. Most installers handle the paperwork and apply the rebate as an upfront discount.

Downloads

Madimack ResiSTEAM Brochure

The listed price includes product supply and delivery to the address selected at checkout.

Have Questions?

Call our friendly team at 1300 930 847 or email us at sales@waternex.com.au for expert advice.

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