Thermann Solar Hot Water System – Efficient, Sustainable & Built for Australian Homes

Harness the Power of the Sun for Reliable Hot Water

The Thermann 250L 22xET Solar Hot Water System is a high-performance, energy-efficient solution designed for households of 4 to 5 people. Manufactured by Dux in Australia, this system utilizes evacuated tubes to harness the sun's energy, providing exceptional energy savings. The evacuated tube solar hot water system offers excellent efficiency with a high coefficient of performance (COP) rating, ensuring long-term value and reliability.

With its vitreous enamel-lined steel tank and backup electric booster, this system ensures reliable hot water—even on cloudy days. Whether installed internally or externally, the Thermann 250L delivers mains-pressure hot water to multiple taps, making it a practical and sustainable choice for modern homes.

Why Choose the Thermann Solar Hot Water System?

✅ Solar-Powered Efficiency for Maximum Savings

✔ Utilizes solar energy to cut electricity costs and reduce reliance on grid power. Boosted solar systems combine solar energy with a backup heating method, such as gas or electric, ensuring a consistent supply of hot water in all climates. Electric boosted solar systems integrate both solar energy and electric heating, providing reliability and reduced running costs, particularly in varying weather conditions.

✔ Evacuated tube solar technology delivers higher efficiency in colder weather compared to flat-panel systems.

✔ COP rating close to 4, meaning it’s highly efficient in converting solar energy into heat.

✅ Backup Electric Boosting for Uninterrupted Hot Water

✔ Built-in affordable electric tank ensures hot water availability during low sunlight periods. ✔ Seamlessly switches between solar and electric, optimizing energy use.

✅ Durable, High-Quality Construction

✔ Vitreous enamel-lined steel cylinder provides corrosion resistance and long-term reliability.
✔ 5-year cylinder warranty for peace of mind and lasting performance.

✅ Mains Pressure & Easy Installation

✔ Delivers mains-pressure hot water, allowing multiple taps to run simultaneously.
✔ Left-hand inlets and outlets with standardized water connections for a hassle-free installation.

✅ Designed for Australian Conditions

✔ Built for durability, ensuring optimal performance in harsh weather conditions.
✔ Compatible with solar PV systems, allowing homeowners to further optimize energy savings.

Energy Efficiency & Environmental Benefits

🌱 Reduces Energy Bills – Solar heating reduces electricity consumption, lowering running costs and saving you money.

🌏 Eco-Friendly Choice – Harness the suns energy to provide eco-friendly hot water and lower your carbon footprint by switching to renewable energy.

🔋 Smart Energy Management – Option to install a timer to maximize leftover PV-generated power usage.

Key Specifications

Brand: Thermann
Model: 250L 22xET
Capacity: 250L
Cylinder Material: Vitreous enamel-lined steel
Installation: Internal or external
Energy Source: Solar with electric boosting
Warranty: 5-year cylinder warranty
Mains Pressure: Yes
Element Configuration: Single & twin element options available
Storage Tank: Stores water heated by solar energy, ensuring backup hot water availability
Unit: Various types and configurations available for purchase, including continuous flow units for instant hot water

Why Choose JR Gas & Water for Your Solar Hot Water Installation?

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

🔧 Expert Installation – Our licensed professionals ensure seamless, efficient installation with minimal disruption.

💡 Solar Hot Water Specialists – We help you maximize savings by optimizing your solar setup and other hot water systems.

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

Upgrade to a Thermann Solar Hot Water System today and enjoy sustainable, cost-effective hot water tailored to your home’s needs.

📅 Book Your Installation Now

Flexible Payment Options Available

💳 Buy Now, Pay Later with ZipPay, Humm & Afterpay – 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.
✔ Afterpay – Split your purchase into 4 interest-free payments over 8 weeks.

Learn More About Payment Options

Final Thoughts: Why Choose the Thermann Solar Hot Water System?

The Thermann 250L 22xET Solar Hot Water System is a top choice for households looking to reduce electricity bills while maintaining a reliable hot water supply. With advanced solar technology, an electric booster backup, and durable construction, this system is built to last and designed for long-term savings.

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

Switch to solar hot water systems today and start saving!

📅 Book Your Installation Now

Use collapsible tabs for more detailed information that will help customers make a purchasing decision.

Ex: Shipping and return policies, size guides, and other common questions.

Electric Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

Choosing the right electric hot water system package depends on your installation needs, household size, and whether additional electrical work is required. Use this guide to compare package levels and find the best fit for your home.

Selecting the right package helps streamline installation, but we understand that needs may change, and that the purchaser isn’t a plumber. We’re flexible and can make adjustments, such as upgrading to the next package as needed.

💡 Which Package is Right for You?

IMPORTANT - All online packages are for EXTERNAL installations only, for internal installations please complete our quote request form.

✅ Base – For compliant replacements of Existing EXTERNAL installations
Ideal for direct swaps where the existing system meets compliance. No extra plumbing or electrical work included.

(EXAMPLE - A Rheem 250L 491250 replacing complaint Rheem 250L 491250 not a Rheem 250L 101250)

✅ Silver – For minor upgrades
Includes pipework alterations and a valve kit but does not include electrical modifications or system disposal. Designed for those swapping a similar system and working to a tight budget.

(EXAMPLE - Swapping a 10year old Rheem 250L with a new Rinnai 315L where the existing installation is good but requires pipework alterations to adapt the new unit and new valve set for warranty)

🏆 Gold (Best Seller) – For standard installations
Covers old system removal and plumbing modifications, making it the most common choice for standard installations.

(EXAMPLE - Swapping a 20year old Dux 125L with a new Vulcan 315L, Strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

💰 Sapphire (Best Value) – For installations requiring electrical work
Adds electrical safety features like an isolator, safety switch, and cable extensions to ensure a compliant and safe electrical connection.

(EXAMPLE - Swapping an old heat pump with a new Everhot 400L that requires a hardwired electrical connection, then strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

✅ Diamond – For homes needing extensive electrical work
Provides extra plumbing and electrical modifications, including a new electrical circuit, making it ideal for homes without existing wiring for an electric system.

(EXAMPLE - Swapping an old Gas System with a new Rheem 315L that needs its own dedicated electrical circuit, type then strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

✅ Platinum – The ultimate package
Includes everything – system relocation, extensive plumbing and electrical upgrades, and a new electrical circuit for complete installation flexibility.

(EXAMPLE - Replacing any existing system of any type then relocating it to a new position on the house that requires the electrical/plumbing to be installed or relocated to the new installation position)

🏆 Package Comparison Guide

Feature	Base	Silver	Gold 🏆 Best Seller	Sapphire 💰 Best Value	Diamond	Platinum
Existing Unit Must be Identical Make/Model/Series as Purchase	✅	❌	❌	❌	❌	❌
Form 4 (Compliance Certification)	✅	✅	✅	✅	✅	✅
Pipework Alterations	❌	✅	✅	✅	✅	✅
Valve Kit (Required for System Operation)	❌	✅	✅	✅	✅	✅
Included Altered Pipework (m)	❌	2m	8m	8m	8m	20m
🏆 Package Comparison Guide	Base	Silver	Gold 🏆 Best Seller	Sapphire 💰 Best Value	Diamond	Platinum
Support Base (For Uneven or Soft Ground)	❌	❌	✅	✅	✅	✅
Waste & System Disposal (Old System Removal)	❌	❌	✅	✅	✅	✅
System Drainlines (Prevents Flooding & Improves Longevity)	❌	❌	✅	✅	✅	✅
Electrical Isolator (Ensures Safe Operation & Maintenance Access)	❌	❌	❌	✅	✅	✅
Electrical Extension (Required for Distance to Power Source)	❌	❌	❌	✅	✅	✅
🏆 Package Comparison Guide	Base	Silver	Gold 🏆 Best Seller	Sapphire 💰 Best Value	Diamond	Platinum
New Electrical Circuit (For Homes Without Existing Power Supply)	❌	❌	❌	❌	✅	✅
Safety Switch (Protects Your Home from Electrical Faults)	❌	❌	❌	✅	✅	✅
Included Altered Cabling (m)	❌	❌	❌	2m	10m	10m
System Relocation (Move System to New Position)	❌	❌	❌	❌	❌	✅
Requires Existing Installation to be Compliant	✅	✅	❌	❌	❌	❌

Whenever a product is required, we only source from trusted, warranty‑backed manufacturers:

Valves – AVG, RMC, Rye Metal (and subsidiaries)
Copper – Type B Kembla or Crane
PEX Systems - Ezipex
Insulation – eFlex or K‑Flex
Electrical switches & timers – Hager
Conduit – Medium Duty PVC Vinidex or GTS
Brassware – Brasshards
Hydraulic crimp fittings – EziPress, Viega, Kembla
Sealants – Loxeal

Feel free to let us know if you have any other preferred brands!

IMPORTANT - All online packages are for external installations only, for internal installations please complete our quote request form.

🛠 Need Help Choosing?

Not sure which package is right for you? Contact JR Gas & Water, and we’ll help you select the best solution for your home!

ZipPay – 6-Month Interest-Free on All Products

ZipPay allows you to buy now and pay later, offering flexible, interest-free payments for up to 6 months on all JR products. It’s easy to set up, and you can customize your repayment schedule to suit your budget. Payments can be made weekly, fortnightly, or monthly, with a $6 fee if the balance isn’t paid off by the due date.

Humm – Up to 12 Months Interest-Free

Humm provides interest-free payment plans on purchases up to $30,000, perfect for both small and large buys. For items over $2,000, you can spread payments over 12 months. Humm also offers flexibility in scheduling payments based on when you get paid

Afterpay – 8 Weeks, No Interest

With Afterpay, spread the cost of purchases across four equal installments, due every two weeks, over an 8-week period. There’s no interest, and as long as payments are made on time, there are no fees. Perfect for purchases between $100 and $1,500

Plenti Finance – For Reclaim Systems Only

Plenti Finance is available exclusively for Reclaim Energy systems. This option offers tailored repayment terms with competitive interest rates, helping make eco-friendly choices more affordable. For more detailed information on Plenti’s terms and eligibility for Reclaim systems, visit the Reclaim Energy finance page

Brand - Thermann
Model Number -
Volume - 250L
Width - mm
Height - mm
Manufactured In -
Cylinder/ Heat Exchange Material - Steel
Cylinder/Heat-Exchange Warranty - 5 Years
Noise Level - dBa
Dry Weight - kg
Energy Source -
Wifi Controller Built in or Compatible -
Built In Timer -
LED/LCD Status Indicator -
Coefficient of Performance (COP) -

If you're in Queensland and considering a new electric hot water system, JR Gas & Water is the company to choose. 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 electric hot water system 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 electric 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 electric 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 electric 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.

Energy Efficiency: Electric hot water systems can be energy efficient, and JR Gas & Water can help you choose the right system for your needs. They can provide advice on energy-saving features and options, such as timers and thermostats, to help you save on your energy bills.

Safety: JR Gas & Water is committed to safety and ensuring that all installations are done to the highest safety standards. They are also familiar with local safety regulations and requirements, ensuring that your electric hot water system is installed safely and in compliance with all relevant codes.

JR Gas & Water is a reliable and experienced choice for your electric hot water system installation in Queensland. With a commitment to quality products, competitive pricing, excellent customer service, and safety, they can help you make the switch to a more efficient and cost-effective solution for your hot water needs. Contact them today to learn more about their services and how they can help you.

Thermann 250L 22xET Gas Hot Water System | Supply+Install | LIFETIME WARRANTY

Did You Know a adding PV Integrated Smart Relay or Timer Could Save Your Family As Much 81% on Your Hot Water Energy Bills

Thermann Solar Hot Water System – Efficient, Sustainable & Built for Australian Homes

Harness the Power of the Sun for Reliable Hot Water

Why Choose the Thermann Solar Hot Water System?

✅ Solar-Powered Efficiency for Maximum Savings

✅ Backup Electric Boosting for Uninterrupted Hot Water

✅ Durable, High-Quality Construction

✅ Mains Pressure & Easy Installation

✅ Designed for Australian Conditions

Energy Efficiency & Environmental Benefits

Key Specifications

Why Choose JR Gas & Water for Your Solar Hot Water Installation?

Flexible Payment Options Available

Final Thoughts: Why Choose the Thermann Solar Hot Water System?

Electric Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

💡 Which Package is Right for You?

🏆 Package Comparison Guide

ZipPay – 6-Month Interest-Free on All Products

Humm – Up to 12 Months Interest-Free

Afterpay – 8 Weeks, No Interest

Plenti Finance – For Reclaim Systems Only

General

Policies & Warranties

Service Areas

Technical

We accept

Thermann 250L 22xET Gas Hot Water System | Supply+Install | LIFETIME WARRANTY

Check the Winners of our 2025 BEST ELECTRIC HOT WATER system awards

Did You Know a adding PV Integrated Smart Relay or Timer Could Save Your Family As Much 81% on Your Hot Water Energy Bills

Thermann Solar Hot Water System – Efficient, Sustainable & Built for Australian Homes

Harness the Power of the Sun for Reliable Hot Water

Why Choose the Thermann Solar Hot Water System?

✅ Solar-Powered Efficiency for Maximum Savings

✅ Backup Electric Boosting for Uninterrupted Hot Water

✅ Durable, High-Quality Construction

✅ Mains Pressure & Easy Installation

✅ Designed for Australian Conditions

Energy Efficiency & Environmental Benefits

Key Specifications

Why Choose JR Gas & Water for Your Solar Hot Water Installation?

Flexible Payment Options Available

Final Thoughts: Why Choose the Thermann Solar Hot Water System?

Electric Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

💡 Which Package is Right for You?

🏆 Package Comparison Guide

ZipPay – 6-Month Interest-Free on All Products

Humm – Up to 12 Months Interest-Free

Afterpay – 8 Weeks, No Interest

Plenti Finance – For Reclaim Systems Only

General

Policies & Warranties

Service Areas

Technical

We accept