• Rheem 28Ltrs Ultra Continuous Flow Natural Gas Hot Water Pre-Set 60 Degree 874B28NF

    $1,625
    $246.10 (13%) off RRP of $1,871
    $246.10 (13%) off RRP of $1,871

    Rheem 28Ltrs Ultra Continuous Flow Natural Gas Hot Water Pre-Set 60 Degree 874B28NF

    $1,625
    $246.10 (13%) off RRP of $1,871
    $246.10 (13%) off RRP of $1,871
    Add to Wishlist
    4 payments of $406.25 with
    Up to 6 months interest free with Zip Money
    • Overview
    • Specifications & manuals
    • Legendary service
    • Delivery, services & returns
    • Questions & answers

    Overview

    The Rheem Ultra 28L Gas Continuous Flow Water Heater offers dependable, powerful hot water delivery tailored for homes with large or high-demand households. With a substantial 28 litres per minute flow rate, this model provides enough hot water to meet the demands of up to three bathrooms, making it ideal for families who value a steady, unbroken flow. Set at a safe 60°C, this unit eliminates the hassle of inconsistent water temperatures, thanks to the advanced Rheem Q Factor™, which maintains steady heat and quickly adjusts to changing usage.

    The compact design (560mm H x 343mm W x 260mm D) enables convenient outdoor installation without occupying valuable indoor space, while the Flamesafe® overheat protection offers enhanced safety by shutting down the unit if any risk of overheating arises. This model also offers flexible control, featuring optional remote temperature controllers that allow you to set precise temperatures in different areas of your home, ensuring the ideal level of comfort and safety.

    Available in both natural gas and propane models, this water heater easily integrates with a range of home setups. Designed to deliver reliable, efficient hot water, the Rheem Ultra 28L is perfect for busy households needing uninterrupted service and peace of mind.
    Continuous Hot Water

    The Rheem Ultra 28L Gas Continuous Flow Water Heater guarantees an endless supply of hot water, perfect for high-demand households. Its advanced design ensures you’ll never run out, delivering continuous, efficient, and reliable hot water on demand.

    Flame Safe

    The Rheem 28L Continuous Flow Hot Water System features Flamesafe overheat protection, automatically shutting down the unit to prevent overheating. This advanced safety feature ensures reliable, worry-free hot water performance while maintaining exceptional energy efficiency and durability.

    Rheem Q Factor

    Equipped with Rheem Q Factor™, this 28L Internal Continuous Flow Hot Water System ensures rapid, consistent hot water delivery every time, eliminating the temperature fluctuations common in other systems and providing a reliably comfortable experience for every use.

    Made In Japan

    Crafted in Japan, the Rheem 28L Internal Continuous Flow Hot Water System delivers exceptional quality and performance. Designed for larger households, it provides reliable, energy-efficient hot water on demand, compact and space-saving design.

    Specifications & manuals

    key Specifications
    Brand
    Rheem
    Model Number
    874B28NF
    Height (mm)
    560 mm
    Width (mm)
    343 mm
    Depth (mm)
    260 mm
    Weight (kg)
    23 kg
    Finish Colour
    Silver
    Finish Colour Description
    Silver Grey Finish
    Fuel Type
    Natural Gas
    warranty
    Manufacturer Warranty
    3 Years
    Warranty Note
    15-Year Parts Warranty only on the Heat Exchanger.
    Use
    Not intended or designed for commercial use.
    additional Dimensions
    Package Dimensions (H x W x D)
    660 x 408 x 319
    Package Weight (kg)
    25
    other Features
    Hot Water Selection
    Continuous Flow
    Flow Per Minute
    28 L
    Temperature Range - Maximum
    60 °C
    Hot Water Type
    Continuous
    Features

    Installation Type: External Gas Continuous Flow Natural Gas Hot Water System.

    Suitable Home: Suits Homes with 2.5 to 3 Bathrooms.

    Rheem Q Factor:   ensures rapid hot water every time, with none of the fluctuations that occur with some continuous flow units.

    Flamesafe Overheat Protection:  shuts down the water heater before overheating can occur.

    Hot Water Temperature: Pre-Set to 60 Degrees. Hot water over 50 degrees Fahrenheit going to any bathroom area must have a temperature-limiting valve installed, provided by your plumber at an extra fee.

    Water Flow: Minimum Operating flow of 1.5Ltrs per minute.

    Fault Display: Digital display for easy fault diagnosis.

    Smart Electronic Control: Rheem Gas Continuous Flow is fully electronically controlled for efficient and reliable hot water.

    Connections: 20mm (3/4") Gas and Water connections and a 10amp Outside Waterproof Powerpoint.

    6-Star Rating: Rheem Gas Continuous Flow’s 6-Star Energy Rating means efficient, on-demand hot water while keeping your hot water energy consumption down.

    electrical Connection
    Type of connection
    10A plug & lead
    country of Origin
    Origin
    Japan

    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
    Thank you for your incredible service
    Kym and Gregory, Pacific Pines, QLD
    Incredibly efficient service!
    Lynne, Glenelg East, SA

    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 .

  • When an air conditioner stops working during a summer heatwave, or if a more efficient heating option is needed for winter due to changing household needs, it's important to find reliable heating or cooling products quickly to ensure comfort and be prepared for the season. Appliances Online is here to simplify appliance shopping by making it easy and stress-free. We're focused on making your shopping experience smooth, letting you browse and buy from home or your phone without worrying about an overwhelming array of choices. With over 8,000 unique products from top brands, we're Australia's largest online retailer of appliances and other home essentials, making it easy for you to find the item you need. Recognising that your time and money matter, we provide excellent deals and add value to each purchase. Our range of heating products, cooling items and other home essentials ensures a smooth, convenient shopping experience. You don't have to waste time searching for items like Rheem 28Ltrs Ultra Continuous Flow Natural Gas Hot Water Pre-Set 60 Degree 874B28NF - we've got what you need. Appliances Online makes it simple for you to quickly get the items you need that'll keep your household running efficiently.

    Choosing the right heating or cooling product can be challenging, especially when you have a budget and your personal preferences to consider. Whether you're searching for Beurer Triple Filter Air Purifier LR405 or Ausclimate Smart Large+ 2400W Convection Heater ACCV450, Appliances Online appreciates why it's important to keep this process easy and convenient. Thanks to our broad selection of products, you can avoid worrying about choices, prices and specs. Plus, we offer services like our Price Match Guarantee*; if you find the same product at a lower price from an Approved Retailer, simply reach out to our friendly customer service team and we'll verify the price match. At Appliances Online, we make your shopping experience seamless, even if you're looking at items like Omega 90cm Natural Gas Cooktop OCG90FXB, Rug Culture Oasis Large Multi-coloured Rug 400X80CM - OAS-453-MUL-400X80 or something else. Thanks to our legendary service, sorting through the wide range of products is an easier experience. Whether you need expert advice or stress-free online ordering, we can help you find the ideal product for what you need. With a wide range of products, trusted support and convenience-oriented services, Appliances Online guarantees great value every time. No matter the heating or cooling products you need, we've got exactly what you're looking for to shop confidently.

    The next time you're set to buy heating and cooling products or other home essentials, Appliances Online is here to make it easy. To begin, check if we deliver to your area and enter your postcode or suburb on our site's 'delivery location' bar. And you can just call 1300 000 500 to speak with a real person ready to assist if you have questions; our Sydney-based customer service team is here 24/7, 365 days a year. As part of our commitment to convenience, we provide Free, Next Day Delivery* covering 95% of Australia's population. As long as it's in stock, your item can typically arrive the next day, Monday to Friday. With Free Connection offered in areas where we deliver using our own trucks, we can handle installation for select fridge, washing machine, dryer and microwave models at no additional cost. If you're looking to upgrade your home with products in our Heating & Cooling section, you can also take advantage of our free appliance recycling service - simply choose this option at checkout. We're dedicated to delivering satisfaction with every purchase, so no matter if you're browsing through our Taps and Water page or maybe our Cooking Appliances section, we've got you covered. Shop now and discover the Appliances Online difference!