• Aquamax Natural Gas 50-degree Hot Water System G390SS-NG

    $2,149
    $323.47 (13%) off RRP of $2,472
    $323.47 (13%) off RRP of $2,472

    Aquamax Natural Gas 50-degree Hot Water System G390SS-NG

    $2,149
    $323.47 (13%) off RRP of $2,472
    $323.47 (13%) off RRP of $2,472
    Add to Wishlist
    4 payments of $537.25 with
    Up to 6 months interest free with Zip Money
    • Overview
    • Specifications & manuals
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    Designed to supply even the most demanding households, the G390SS hot water system is an appliance you can count on for your hot water needs.

    This model provides 390 litres in first hour delivery and hot water recovery for up to 185 litres per hour, making it the ideal choice for busy and large households. Aquamax has engineered this unit to be ultra efficient, helping you to reduce utility and service costs.

    When your home is equipped with an Aquamax hot water system, you are sure to enjoy uninterrupted hot showers.
    Generous capacity for large households

    Providing 390 litres in first hour delivery, this hot water storage system can supply over three outlets and is suitable for large households with three to six people.

    Stainless steel cylinders

    The hot water cylinder is made with durable stainless steel which means you don’t need a sacrificial anode. This helps to reduce long-term service costs.

    Efficient engineering with natural gas

    This exceptionally efficient hot water system heats water with natural gas, and is designed to ensure low running costs and low emissions of greenhouse gases. A design that is kinder to your budget and the planet.

    Specifications & manuals

    key Specifications
    Brand
    AquaMAX
    Model Number
    G390SS-NG
    Height (mm)
    1625 mm
    Width (mm)
    520 mm
    Depth (mm)
    610 mm
    Weight (kg)
    65 kg
    Finish Colour
    Cream
    Fuel Type
    Natural Gas
    Tank Capacity
    155 L
    Notes
    External Use Only
    warranty
    Manufacturer Warranty
    1 Year
    Warranty Note
    1 Year on all parts and labour; 12 Years on stainless steel cylinder. Domestic use only
    Use
    Not intended or designed for commercial use.
    energy Efficiency
    Energy Star Rating
    5
    other Features
    Temperature Range - Maximum
    70 °C
    Temperature Range - Minimum
    45 °C
    Features
    ● Suitable for households with 2 or 3 bathrooms
    ● Pre-set to 50°C
    ● Stainless steel storage tank can resist corrosion longer than a traditional enamel tank
    ● Tank capacity: 155 litres
    ● Recovery rate of 185 Litres/Hr at 45°C rise
    ● Installation type: external only
    ● No Anode Required, reducing lifetime service costs
    ● Lighter than a traditional storage tank of the same capacity

    ●If you require hotter than 50°C, an optional extra tempering valve is required for any water going to a bathroom or en suite
    This is an extra charge provided by your plumber
    electrical Connection
    Type of connection
    No electrical connection required
    country of Origin
    Origin
    Australia

    Legendary service

    The Appliances Online Net Promoter Score (NPS) is based on feedback from 89,897 people, collected between August 2024 to August 2025. Learn more about the Net Promoter Score (NPS).
    Bravo Appliances Online BRAVO!!!
    Paul , Lane Cove
    Appliances Online get my tick of approval
    Shane, Sippy Downs, QLD
    Prices are great, service second to none
    Leanne, McGraths Hill, NSW

    Delivery, services & returns

    Appliances Online is all about legendary service. We offer free next business day delivery, free connection, free removal and free recycling, and we even offer Saturday delivery and, in some locations, a Premium Delivery option that allows you to choose your own 2-hour delivery window.

    Questions & answers

    No-one has asked a question about this product yet. Want to be the first?
    I agree to the terms & conditions
    We're here to help 24/7 - for an immediate answer to your question, chat with one of our Live Chat agents below or call us on 1300 000 500 .

  • If your heating or air conditioner system unexpectedly breaks, finding a quick replacement is crucial for keeping your home cosy. Similarly, whether you're after a more energy-efficient unit or one that fits your family's needs, Appliances Online is here to make shopping easy and stress-free. Leave behind the hassle of endless research on heating and air conditioners and other essentials - we're here to streamline everything so you can shop with confidence, even when you're at home or using your phone. As Australia's largest online retailer of appliances and home essentials, we proudly offer over 8,000 unique products from top brands, giving you the freedom to find the right fit for your needs. Your time and money are valuable, and that's why we make sure you always get something extra with every purchase. At Appliances Online, you no longer have to waste time looking for products like Aquamax Natural Gas 50-degree Hot Water System G390SS-NG elsewhere; we've got exactly what you need and more, supported by our commitment to exceptional service and customer satisfaction. Our mission is to make every shopping moment effortless and stress-free, so you can choose what's right for you without the frustration. We believe you should feel confident in every purchase, and we're committed to making that possible.

    With so many heating and cooling products available, it's easy to feel overwhelmed, especially when you try to balance your budget and unique needs. At Appliances Online, we know how complicated it can be, so we've made it our mission to streamline your shopping process. With a vast selection of items like Rinnai Infinity 32L 50 degree LPG INF32L50MA or Dimplex 50cm High Velocity Wall Fan DCWF50MBK, we're here to make sure you find the right product that suits your requirements effortlessly. To help you make the right decision, we also have our Price Match Guarantee*. If you find an identical product for less at one of our Approved Retailers, just reach out to our friendly customer service team, and we'll confirm the price match so that you get a great deal. From browsing to buying, you can rest assured that you will receive support throughout the entirety of the process when you shop with Appliances Online. Our legendary service is here to equip you with the knowledge and help you need to shop with confidence. Whether it's Rogerseller Tonic Hand Shower on Integrated Union - Graphite 3506003205 or even Pinch Lilio Pendant Light PI-PL-LIL, you'll find what you're looking for and more.

    If you're ready to order heating and cooling products or other home essentials, confirming your delivery zone is easy - just type your postcode or suburb into the 'delivery location' bar on our site. Our Sydney-based customer service team is ready to help 24/7, every day of the year. If you have any questions about a product, whether it's from our Heating & Cooling range or elsewhere, call us at 1300 000 500 to speak with a real person who can assist you. With Free, Next Day Delivery* available to 95% of Australia's population at Appliances Online, you can usually receive your in-stock items by the next day (Monday to Friday). Free Connection is also provided for select fridges, microwaves, washing machines and dryers in locations where we offer free delivery using our own trucks. We can also take away your old appliance for recycling at no extra charge when you're replacing it - just select this option at checkout. At Appliances Online, whether you're exploring our All Dishwashers collection or checking out our Fridges and Freezers category, we're here to help you find exactly what you need, so order now!