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Rheem 20 Natural Gas Hot Water System

Why choose InstalledToday? We're the trade's best-kept secret for hot water installs – fast, reliable, and built for busy plumbing, electrical, and building crews. Our expert installers handle the tough jobs like heat pumps with precision and speed, freeing up your team’s time and keeping your projects on track. No headaches, just top-tier service backed by real tradies who get it.
Was $1,299.00, Now $1,059.00
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Regular price $1,059.00
Regular price $1,299.00 Sale price $1,059.00
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  • Verified Reviews: Rated 5 stars by real Australian customers
  • 🛡️ Genuine Warranties: We only sell brand-new, manufacturer-backed products

*Terms and conditions apply. See refund policy for full details.

Rheem 20L Continuous Flow Gas Hot Water System - Fast Australia-Wide Shipping

Reliable, Instant, Rapid Hot Water – Anytime, Every Time

The Rheem 20L Continuous Flow Gas Hot Water System delivers efficient, on-demand hot water for small to medium Australian households. With continuous flow technology, you'll never run out of hot water again. Its compact design fits perfectly into tight spaces, while advanced safety features like Flamesafe® overheat protection provide peace of mind. Hot Water Outlet offers fast, Australia-wide delivery with priority shipping to Brisbane, Sydney, and Melbourne.


Key Features

  • 20L per minute continuous hot water flow

  • On-demand heating reduces energy consumption

  • Flamesafe® overheat protection for added safety

  • Rheem Q Factor™ prevents temperature fluctuations

  • Optional remote temperature controllers for customized water temps

  • 50°C temperature limited models available for family safety

  • Compact design for easy installation in tight spaces

  • 10-year heat exchanger warranty for long-term peace of mind

  • Built for harsh Australian conditions


Who Is This System Best For?

  • Small to medium households (1-2 bathrooms)

  • Apartments, townhouses & medium sized homes

  • Properties with limited installation space

  • Families with safety-conscious hot water needs

  • Homeowners across Brisbane, Sydney, Melbourne & Australia-wide


Technical Specifications

Specification Details
Model Rheem 20L Continuous Flow Gas
Flow Rate 20L/min (at 25°C rise)
Installation Outdoor
Energy Source Natural Gas & LPG models available
Energy Rating 6-star equivalent
Safety Features Flamesafe® overheat protection
Temperature Control Optional remote controllers
Warranty 10 years heat exchanger, 3 years parts & labour

Energy Efficiency & Cost Savings

The Rheem 20L Continuous Flow system offers significant long-term savings:

  • Only heats water when needed (no standby heat loss)

  • 6-star energy rating reduces gas bills

  • Compatible with both natural gas and LPG

  • Remote controllers allow for precise temperature management

  • Compact, space-saving installation reduces build costs


Advanced Heat Exchanger Technology

  • Maximises heat transfer for faster, more efficient heating

  • Overheat protection for safe operation

  • Rapid hot water delivery without wasted energy

  • Durable, corrosion-resistant materials built for Australian conditions


Safety Features for Family Peace of Mind

  • Flamesafe® overheat protection shuts down if overheating occurs

  • Rheem Q Factor™ eliminates hot/cold water fluctuations

  • Optional 50°C anti-scald models ideal for young children or elderly households

  • Remote controllers let you limit temperatures for different taps


Delivery & Installation Options

Hot Water Outlet delivers the Rheem 20L Continuous Flow Gas Hot Water System Australia-wide, with priority shipping to Brisbane, Sydney, and Melbourne.

Note: Installation is not included. You can request a professional installation quote directly through Hot Water Outlet and be connected to our trusted installer network.


Frequently Asked Questions

1. What size household is the Rheem 20L Continuous Flow suited for?

Perfect for small to medium households with 1-2 bathrooms.

2. Is indoor installation possible?

No. This model is designed for outdoor installation only.

3. Does this system require professional installation?

Yes. To comply with Australian regulations and protect your warranty, professional installation is strongly recommended. Installation quotes are available via Hot Water Outlet.

4. Does it work with both LPG and Natural Gas?

Yes, the Rheem 20L Continuous Flow comes in both LPG and Natural Gas models.

5. How fast is shipping?

Hot Water Outlet offers fast, trackable delivery Australia-wide, with priority dispatch to Brisbane, Sydney, and Melbourne metro areas.

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    Hassle-Free Installation – Done Right by Trusted Experts!

    Need professional installation? We’ve got you covered! Our optional installation service connects you with our network of certified, trusted contractors, ensuring a smooth and stress-free setup.

    How It Works:

    🔹 Step 1: Select Installation Service
    Choose to include professional installation when purchasing your new system.

    🔹 Step 2: Pay for Installation Upfront
    Simply add the installation service prior to adding your product to cart —no hidden fees, no surprises.

    🔹 Step 3: We Assign a Certified Contractor
    We’ll match you with a licensed, experienced contractor from our network to handle the installation.

    🔹 Step 4: Schedule Your Installation
    The assigned contractor will contact you directly to arrange a convenient time for installation.

    🔹 Step 5: Direct Support When You Need It
    For any installation-related questions, your contractor is your first point of contact. If any issues arise, our team is here to help.

    🚨 Please Note: Installed Today supplies the product and connects you with a certified contractor for installation.

    We’re committed to delivering top-quality products and facilitating a seamless installation experience. Have product questions? Reach out to us anytime! 🔥

    Experience the "Installed Today" Difference with Our Verified Installers

    When you choose "Installed Today" for your installation needs, you're not just getting a product; you're gaining access to a network of rigorously verified installers dedicated to providing you with an exceptional service experience. Here's what you can expect when you opt for an installation by an "Installed Today" verified installer:

    Professional and Efficient Service

    • Prompt Communication: Our verified installers will contact you within 2 business hours of receiving your order details to confirm and begin scheduling your installation at the earliest convenience.
    • Expert Installation: All "Installed Today" installers are highly skilled and qualified, ensuring your product is installed according to the highest industry standards and specific regulations in your area.
    • Clear and Professional Communication: From the moment they receive your order until the completion of your installation, our installers maintain clear and professional communication, providing you with all necessary information regarding your installation.

    Peace of Mind

    • Insurance and Liability: Every "Installed Today" verified installer maintains comprehensive insurance coverage, giving you peace of mind knowing you're protected throughout the installation process.
    • Warranty and Quality Assurance: Enjoy a warranty on your installation, guaranteeing rectification work at no additional charge in the unlikely event of any deficiencies. Our installers strive to achieve a minimum 4.5-star average rating across major review platforms, reflecting our commitment to excellence and customer satisfaction.

    Customer-Centric Policies

    • Customer Dispute Resolution: In the rare event of a dispute, our installers are committed to acknowledging and initiating the resolution process within 1 business day, aiming for a swift and satisfactory resolution within 5 business days.
    • Rectification Work Timeframes: Should any rectification work be necessary, it will be acknowledged within 1 business day and completed within 2 business days, ensuring minimal inconvenience to you.

    Additional Services at Transparent Rates

    • Beyond Basic Installation: Our verified installers offer a range of additional services to complement your installation. All available services and their set rates are communicated upfront, ensuring no surprises.

    By choosing "Installed Today," you're not just installing a product; you're investing in a seamless, quality service that values your time and peace of mind. Trust in our verified installers to exceed your expectations with their professionalism, expertise, and commitment to excellence.

    This product description outlines the benefits and assurances provided by "Installed Today" verified installers, designed to inform and reassure customers about the high level of service they can expect.

    DELIVERY TIMES WITH INSTALLATION - HOT WATER SYSTEMS EXC. HEAT PUMPS

    Greater Brisbane and Gold Coast (EXCLUDING BAY ISLANDS) - up to 2 business days

    Toowoomba, Tweed Heads and Sunshine Coast - up to 3 business days

    DELIVERY TIMES WITHOUT INSTALLATION - HOT WATER SYSTEMS EXC. HEAT PUMPS

    Greater Brisbane and Gold Coast (EXCLUDING BAY ISLANDS) - up to 3 business days

    Toowoomba, Tweed Heads and Sunshine Coast - up to 5 business days

    Harvey Bay, Cairns and Townsville - up to 5 business days

    Metropolitan Cities - up to 5 Business Days

    Listed Metropolitan Centers - up to 10 Business Days

    DELIVERY TIMES WITH INSTALLATION - HEAT PUMPS

    Greater Brisbane and Gold Coast (EXCLUDING BAY ISLANDS) - up to 2 business days

    Toowoomba, Tweed Heads and Sunshine Coast - up to 5 business days

    DELIVERY TIMES WITHOUT INSTALLATION - HEAT PUMPS

    Greater Brisbane and Gold Coast (EXCLUDING BAY ISLANDS) - up to 5 business days

    Toowoomba, Tweed Heads and Sunshine Coast - up to 5 business days

    Metropolitan Cities - up to 5 Business Days

    Listed Metropolitan Centers - up to 10 Business Days

    DELIVERY TIMES WITH/WITHOUT INSTALLATION - PUMPS AND WATER FILTERS

    Greater Brisbane and Gold Coast - up to 5 business days

    Toowoomba, Tweed Heads and Sunshine Coast - up to 5 business days

    Harvey Bay, Cairns and Townsville - up to 10 business days

    **PLEASE NOTE ORDERS OUTSIDE OF THESE AREAS WILL BE REFUNDED AS SOON AS POSSIBLE**

    SERVICED METROPOLITIAN CENTRES & CITIES

    -Brisbane (EXCLUDING BAY ISLANDS)

    -Gold Coast

    -Sunshine Coast

    -Toowoomba

    -Coffs Harbour

    -Tamworth

    -Canberra

    -Sydney (EXCLUDING ISLANDS)

    -Bathurst

    -Melbourne

    -Ballarat

    -Geelong

    -Adelaide

    -Perth

    -Darwin

    -Cairns

    -Townsville

    -Harvey Bay

    -Rockhampton

    -Bundaberg

    -Tweed Heads

    -Wollongong

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