Thermann 400L Hot Water System: Reliable, High-Capacity & Energy-Efficient

Product Overview

The Thermann 400L 3.6kW Electric Hot Water System is a high-quality, Australian-made hot water system designed to meet the needs of large households. This single element electric hot water system, manufactured by Dux Manufacturing, is perfect for homes with 8+ occupants on an off-peak tariff. Measuring 1705mm high and 705mm wide, this system is built to fit seamlessly into your home, whether installed indoors or outdoors.

Constructed with a vitreous enamel-lined steel cylinder, the Thermann 400L ensures long-term durability and resistance to corrosion. Backed by a factory 10-year cylinder warranty, this hot water system offers peace of mind and reliable performance for years to come. The Thermann 400L is designed to provide a consistent and efficient hot water supply, making it an ideal choice for busy households with high hot water demands.

Premium Hot Water for Large Households

The Thermann 400L Electric Hot Water System (9507811) is the ultimate solution for large households needing a dependable, high-volume hot water supply. Manufactured by Dux in Australia, this heavy-duty system is built to handle the hot water demands of 8+ occupants, ensuring strong mains-pressure performance at multiple taps.

Featuring a durable vitreous enamel-lined steel cylinder, dual inlets and outlets, and off-peak tariff compatibility, the Thermann 400L delivers cost-effective and reliable hot water while reducing electricity costs. Whether installed indoors or outdoors, this system provides long-term efficiency and performance, even in harsh Australian conditions. Thermann hot water systems are well-known in the Australian market for their reliability, innovative technology, and competitive warranty periods.

Why Choose the Thermann 400L?

✅ High-Capacity Hot Water for Large Homes

✔ Designed for 8+ occupants, ensuring a steady hot water supply for busy households. ✔ Mains-pressure performance, delivering strong water flow at multiple taps. ✔ Large 400L tank capacity, perfect for homes with high hot water demand. ✔ Year round reliable performance, providing consistent hot water and energy savings regardless of the season.

✅ Built for Long-Term Durability

✔ Vitreous enamel-lined steel cylinder protects against corrosion, extending system lifespan.
✔ Factory-backed 10-year cylinder warranty, ensuring long-term reliability.
✔ Manufactured in Australia, designed to withstand tough environmental conditions.

✅ Energy-Efficient & Solar-Compatible

✔ Works with off-peak tariffs, helping to reduce electricity costs.

✔ Multiple element configurations available to suit different energy needs.

✔ Compatible with PV solar systems – install a JR timer to optimize energy usage from excess solar power.

✔ Heat pump hot water systems are also highly energy-efficient, extracting heat from the environment to lower greenhouse gas emissions and reduce energy bills.

✅ Hassle-Free Installation & Versatile Setup

✔ Dual inlets & outlets for easy installation in different plumbing configurations. ✔ Standardized power and water connections, ensuring a smooth setup process. ✔ Suitable for both internal & external installation, offering placement flexibility. ✔ The install price is a crucial part of the overall expense, covering both supply and installation costs.

Electric Hot Water System Advantages

Electric hot water systems, like the Thermann 400L, offer numerous advantages that make them a popular choice for many households. One of the primary benefits is their ease of installation. Unlike gas systems, electric hot water systems do not require complex plumbing or gas connections, making the installation process straightforward and hassle-free.

Another significant advantage is their energy efficiency. Electric hot water systems are designed to be cost-effective, especially for households with high hot water demand. They provide a continuous flow of hot water, ensuring that large families or households with multiple occupants never run out of hot water.

The compact design of electric hot water systems is another key benefit. The Thermann 400L, for example, has a tanks electric footprint identical to other models, making it easy to install in homes with limited space. Additionally, electric hot water systems are generally quieter and produce less noise compared to other types of hot water systems, contributing to a more peaceful home environment.

Maintenance is also simpler with electric hot water systems. They have fewer moving parts, which means they are less prone to breakdowns and require less frequent maintenance. This makes them a cost-effective and reliable choice for homeowners.

Moreover, electric hot water systems are more environmentally friendly. They produce no emissions or greenhouse gases, making them a greener option for your home. The Thermann 400L, with its efficient design and low maintenance requirements, is an excellent choice for those looking for a high-quality, reliable, and eco-friendly hot water system.

Overall, the Thermann 400L 3.6kW Electric Hot Water System stands out as a dependable, efficient, and cost-effective solution for households seeking a superior hot water experience. Its ease of installation, compact design, and minimal maintenance needs make it an ideal choice for any home.

Energy Efficiency & Environmental Benefits

🌱 Lower Running Costs – Works efficiently with off-peak energy tariffs for cost savings.

🔋 Solar-Ready – Compatible with PV solar systems, reducing electricity consumption.

💡 Safe & Smart Operation – Thermostatically controlled shut-off prevents overheating.

Additionally, continuous flow hot water systems offer instant hot water, enhancing energy efficiency and cost-effectiveness, especially for larger families.

Key Specifications

• Brand: Thermann

• Model: 9507811

• Capacity: 400L

• Height: 1705mm

• Width: 705mm

• Cylinder Material: Vitreous enamel-lined steel

• Installation: Internal or external

• Energy Source: Electric

• Inlet/Outlet Configuration: Dual inlets & outlets

• Warranty: 10-year cylinder warranty

• Tempering Valve: A crucial component for safety and compliance, often an additional charge

Why Choose JR Gas & Water for Your Installation?

🏆 Award-Winning Service – Recognized as Best Plumbers & Best Home Care Store (2023, 2024, 2025).

🔧 Expert Installation – Our licensed professionals ensure quick, hassle-free installation with minimal disruption.

💡 Energy-Saving Advice – We help you maximize savings with off-peak tariff compatibility and solar integration.

🛠 Reliable After-Sales Support – We offer ongoing service, maintenance & warranty support.

Upgrade to the Thermann 400L Electric Hot Water System today and enjoy powerful, efficient, and long-lasting hot water tailored to your home’s needs. In the competitive hot water market, JR Gas & Water stands out by providing exceptional service and innovative solutions.

📅 Book Your Installation Now

Flexible Payment Options Available

💳 Buy Now, Pay Later with ZipPay, Humm & Openpay – Flexible payment plans to suit your budget.
✔ ZipPay – Interest-free payments for up to 6 months.
✔ Humm – Spread payments over 12 months for larger purchases.
✔ Openpay – Flexible installment plans to make your hot water upgrade more affordable.

Learn More About Payment Options

Final Thoughts: Why Choose the Thermann 400L?

The Thermann 400L Electric Hot Water System is an excellent choice for large households seeking high-capacity, energy-efficient, and durable hot water solutions. With its mains-pressure performance, multiple tariff compatibility, and long-lasting construction, this system is designed for years of hassle-free operation.

Backed by expert installation from JR Gas & Water, you can trust that your system will be installed correctly and optimized for efficiency.

Upgrade to reliable, high-capacity hot water today!

📅 Book Your Installation Now

Brand - Thermann
Model Number - 9057811
Volume - 400L
Width - 705mm
Height - 1705mm
Manufacturered In - Australia
Cylinder/ Heat Exchange Material - Steel
Cylinder/Heat-Exchange Warranty - 10 Years
Noise Level - NAdBa
Dry Weight - kg
Energy Source - Electric
Wifi Controller Built in or Compatible -
Built In Timer - No
LED/LCD Status Indicator -
Coefficient of Performance (COP) -

If you're in Queensland and considering a heat pump hot water system, look no further than JR Gas & Water. Here's why:

Experience and Expertise: JR Gas & Water has over 10 years of experience in the gas and plumbing industry. Their team of licensed and insured professionals is highly skilled and knowledgeable about all aspects of heat pump installation, maintenance, and repair. They can provide expert advice on the best system for your needs and ensure a smooth installation process.

Quality Products: JR Gas & Water uses only high-quality products from trusted brands to ensure your heat pump hot water system is reliable and efficient. They also offer a range of options to suit different budgets and requirements.

Competitive Pricing: JR Gas & Water offers competitive pricing for their heat pump hot water systems, ensuring that you get a great value for your investment. They also provide a detailed quote upfront, so there are no surprises or hidden costs.

Customer Service: JR Gas & Water is committed to providing excellent customer service. They are always available to answer any questions or concerns you may have and are committed to ensuring your satisfaction.

Local Business: JR Gas & Water is a locally owned and operated business in Queensland. By choosing them for your heat pump hot water installation, you are supporting a local business and contributing to the local economy.

Warranty and Guarantee: JR Gas & Water provides a warranty and guarantee on all their products and services, giving you peace of mind knowing that your system is covered in case of any issues.

Sustainable and Environmentally Friendly: Heat pump hot water systems are a sustainable and environmentally friendly option for heating water. They use renewable energy sources, such as air or ground heat, to heat water, resulting in lower greenhouse gas emissions and reduced energy bills. JR Gas & Water can help you make the switch to a more sustainable and cost-effective solution for your hot water needs.