• Rinnai Hotflo 400L Hot Water Tank 3.6kW Single Element EHFA400S36

    $2,024
    $923 (31%) off RRP of $2,947
    $923 (31%) off RRP of $2,947

    Rinnai Hotflo 400L Hot Water Tank 3.6kW Single Element EHFA400S36

    $2,024
    $923 (31%) off RRP of $2,947
    $923 (31%) off RRP of $2,947
    Add to Wishlist
    Up to 6 months interest free with Zip Money
    • Overview
    • Specifications & manuals
    • Reviews
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    The largest capacity in Rinnai’s range, the Hotflo 400L Hot Water Storage Tank delivers a powerful hot water output - even for the biggest of Australian families.

    Built with a vitreous enamel lined steel tank, this storage tank offers exceptional durability - ensuring long-lasting performance. With inbuilt anode protection, the lifespan of the tank is extended.

    The dual-handed design of the tank allows for increased flexibility during installation, accommodating various plumbing configurations. For safety and convenience, the tank is equipped with a pressure temperature relief valve and a thermostatic control with temperature safety shut-off.

    Specifications & manuals

    key Specifications
    Brand
    Rinnai
    Model Number
    EHFA400S36
    Height (mm)
    1840 mm
    Width (mm)
    675 mm
    Depth (mm)
    675 mm
    Weight (kg)
    96 kg
    Finish Colour
    White
    Fuel Type
    Electric
    Tank Capacity
    400 L
    warranty
    Manufacturer Warranty
    1 Year
    Warranty Note
    1 year other components parts and labour, 3 years cylinder labour, 10 years cylinder parts.
    Use
    Not intended or designed for commercial use.
    other Features
    Hot Water Selection
    Storage Tank
    Hot Water Type
    Storage
    Features
    • Vitreous enamel lined steel tank for added durability.
    • Inbuilt anode protection extends the life of the tank.
    • Dual-handed, allowing for increased flexibility during installation.
    • Pressure temperature relief valve included.
    • Suitable for internal and external use.
    • Thermostatically controlled with safety temperature shut-off for added peace of mind.
    • Single element configuration.
    electrical Connection
    Type of connection
    Hardwired
    Connected load
    3.6 kW

    Reviews

    Rating snapshot

    5
    1
    4
    0
    3
    0
    2
    0
    1
    0

    Average customer rating

    Overall
    5.0
    Ease of setup
    5.0
    Build quality
    5.0
    Value of product
    5.0

    Appliances Online's customer reviews are independently managed by Bazaarvoice, ensuring their accuracy and honesty. Vouchers are sometimes offered to verified buyers in exchange for their unbiased review.

    Learn more about Bazaarvoice Authentic Reviews Trust Mark
    1-1 of 1 reviews
    Terrigalpete2025-08-11
    Water heater
    From the moment I talked to Amber on the phone to the guys delivering the water heater every thing went like clockwork very happy as you can see we bye a lot of products from you
    Build quality
    5.0
    Ease of use
    5.0
    Value of product
    5.0

    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).
    Using your online chat facility
    Ian, Yungaburra, QLD
    Very helpful and professional
    Zara, Annerley, QLD
    Great shopping experience
    Kevin, South Kingsville, VIC

    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 .

  • Are you looking for a replacement for broken heating or cooling products, one with better efficiency or a model that can meet the shifting needs of your household? At Appliances Online, we know it can be daunting to sort through tonnes of choices just to find the right replacement. With that in mind, we've designed a shopping experience that eliminates the stress of finding the right item for you. Our user-friendly site lets you browse our wide selection from the comfort of your home or phone, showing you why we're Australia's largest online retailer of appliances and home essentials. Appliances Online offers over 8,000 different products from the world's most trusted brands, giving you the freedom to select what fits your needs. You won't need to make any compromises on quality or features when shopping with us. Our mission is to deliver a seamless and convenient shopping experience, making sure your time and money are well spent. So, if you're searching for Rinnai Hotflo 400L Hot Water Tank 3.6kW Single Element EHFA400S36, we have exactly what you need; just let us handle the hard work while you enjoy the comfort of knowing that your new home essential is just a few clicks away. We offer a guarantee of satisfaction and reliability at Appliances Online.

    Choosing the ideal heating and air conditioning systems can be tricky, especially when you're trying to fit both your needs and your budget. But we know these items are key to keeping your home cosy, so we offer a range of services to make shopping hassle-free. You can count on getting exceptional value with our Price Match Guarantee* for every purchase. Should you find a better deal for the same product at an Approved Retailer, simply reach out, and our friendly customer service team will verify it for you and match the price. Shopping with us is made easy and convenient; whether you're considering options like Nobo 2400W Panel Heater with Thermostat and Castors NTL4S24-FS40 or Stiebel Eltron SNU 5 PLUS with Fixed Chrome Mixer 208205, we have an extensive selection to suit every preference. No matter if you're looking for something high-tech or simple, you can count on us to guide you through the choices. Thanks to Appliances Online, you don't have to worry about the shopping experience, even if you're searching for items like Blanco Single Bowl Undermount Sink with 2 Level Configuration SUBLINE700ULBK5 or Westinghouse Kettle and Toaster Pack Grey Gold 1.7L Kettle, 4 Slice Toaster WHKTPK13GG. We're committed to making shopping straightforward and satisfying with our legendary service, allowing you to focus on what matters most - enjoying your home life. Browse our range today and discover just how easy it can be to find the right heating or air conditioners for your home.

    When ordering heating, cooling products or other home essentials from Appliances Online, use the 'delivery location' bar on our site to check if we deliver to your area. For inquiries, our friendly Sydney-based customer service team is eager to help 24/7, 365 days a year; dial 1300 000 500 to connect with a real human team member. With our Free, Next Day Delivery*, we can typically deliver to 95% of Australia's population as soon as the next day (Monday to Friday) if the items are in stock; this means your purchase, like those from our Heating & Cooling collection, can arrive quickly. We include Free Connection and installation for select fridges, washing machines, dryers and microwaves in areas where we use our own trucks to deliver. If you have old appliances to dispose of, just select the recycling option at checkout, and we'll remove it for free. Even when you're browsing our BBQ Rotisseries collection or Consumer Electronics category, Appliances Online guarantees satisfaction with every purchase, as we take care of everything to make your shopping experience seamless and stress-free. Experience truly effortless shopping when you shop at Appliances Online.