Thermann 250L 22xET Solar Hot Water System $5949 Installed - Water Heater - Solar
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Thermann 250L 22xET Solar Hot Water System | Supply+Install | LIFETIME WARRANTY

Enjoy reliable, affordable hot water every day with the Thermann 250L electric hot water system — built for Australian homes and larger families of up to 4-5. Featuring a durable Steel tank, 5 year factory warranty, and expert installation across Brisbane and the Gold Coast, this system delivers performance you can count on. Made in and backed by award-winning service.
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Quick Specs & Benefits
  • Volume: 250L
  • Recommended Household Size: 4-5 people
    • 50L: 1 person full time tariff
    • 80L: 1 person full time tariff, 1 person off peak
    • 125L: 2 people full time, 2 people off peak
    • 160L: 3 people full time, 2 people off peak
    • 250L: 5 people full time, 4 people off peak, 6 people dual element
    • 315L: 6 people full time, 5 people off peak, 7 people dual element
    • 400L: 8 people full time, 7 people off peak, 9 people dual element
Click for full specifications
  • Indoor / Outdoor Installation: Indoor and outdoor installation compatible
  • Element Configuration: Single Element
  • Connections: Left and right hand side connections
  • Available in the Following Power Ratings: 1.8kW, 2.4kW, 3.6kW and 4.8kW

    We will adjust the element size on site to suit your existing circuit, so there is nothing extra you need to check before installation.

    • 1.8kW: 8 amp minimum, 10 amp recommended
    • 2.4kW: 10 amp minimum, 15 amp recommended
    • 3.6kW: 15 amp minimum, 20 amp recommended
    • 4.8kW: 20 amp minimum, 25 amp recommended
  • Internal Cylinder Material: Steel
  • Maximum Cylinder Warranty: 5 Years
    • Cylinder: 5 years
    • Thermostat: 12 months
    • Element: 12 months
    • Valve Set: 24 months
    • Parts and Labour: 1 year on all
JR Gas & Water
Select Your Required Package and Install Timeframe Below

Choose your installation package first, then choose your preferred timeframe. Not sure which package suits your home?

STEP 1. - Select Post Rebate Installation Package (STC Rebates signed over to JR Gas & Water on install)
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STEP 3. - Select Installation Area
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Regular price $9,299.00
Regular price Sale price $9,299.00
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Installed hot water packages available in eligible JR Gas & Water service areas
Free delivery included with eligible installed packages
Licensed installation available across Brisbane, Logan, Redlands, Ipswich, Moreton Bay and Gold Coast service areas
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Not 100% sure? Prefer a written quote first?

For electric storage hot water system installations with non-standard pipework, power supply requirements, tight access, relocation work, valve upgrades, drainage issues, or uncertainty around the correct system size, our team can confirm the best option before you book.

✔ Service by Licensed Professionals  •  ✔ Fixed Price Services

🏷️ 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 Timer:
💡 LED/LCD Status Indicator:
📊 Coefficient of Performance (COP):

Thermann Electric Boosted Solar 250L 22 Tube Installation in Brisbane & Gold Coast

The Thermann Electric Boosted Solar 250L 22 Tube is an evacuated tube split solar hot water system designed for homes wanting efficient solar hot water with a ground-level storage tank and roof-mounted solar tubes. It uses a 250L storage tank with a 22 tube collector setup and electric boosting for backup when solar gain is not enough.

What Is the Thermann Electric Boosted Solar 250L 22 Tube?

The Thermann Electric Boosted Solar 250L 22 Tube is an electric boosted solar hot water system that uses evacuated tubes on the roof to capture solar energy and transfer that heat back to a ground-level storage tank. A circulator moves water between the tank and the collector, and anti-frost protection is built into the system so solar hot water can still be provided in colder regions.

This exact version uses a 250L tank, a 22 tube collector, and is listed as suitable for 4 to 6 people. It is an electric boosted solar system, which means the solar side does the main heating when sunlight is available, while the electric element provides affordable backup when needed.

Why Choose the Thermann Electric Boosted Solar 250L 22 Tube?

One of the main reasons people choose the Thermann Electric Boosted Solar 250L 22 Tube is because it combines strong solar performance with the reassurance of electric backup. The evacuated tubes harness the sun’s energy to heat water, while the electric tank provides backup support when solar input is lower.

This model also suits buyers wanting a solar setup that is lightweight compared with some traditional solar systems. It is promoted as energy efficient, cost effective to run, and built with innovative technology, leading industry warranties, and a cyclone rated framework. It is also a practical option for homes in sunny climates looking to reduce monthly electricity bills.

Is the Thermann Electric Boosted Solar 250L 22 Tube Right for Your Home?

This model can be a strong fit for households with moderate hot water demand, especially homes wanting a split solar setup with the tank off the roof. It is rated for 4 to 6 people, which makes it better suited to family use than very light-demand households.

As with any solar hot water system, suitability depends heavily on the site. Roof space, tube orientation, pipe run distance, ground-level tank position, boosting arrangement, and available access all matter. The tubes are more effective when installed on a north facing roof to maximise the sun’s efficiency, so roof direction plays a role in performance.

Final installation scope depends on what is already at the property. Some jobs are straightforward replacements, while others may require extra works. Depending on the site, that may include roof mounting arrangements, pipework alterations, electric boost integration, valve upgrades, tempering requirements, electrical work, or changes to suit the final tank location.

Why Choose a Quality Hot Water System Instead of a Cheaper Alternative?

A cheaper solar hot water system is not always the better buy once installation complexity, long-term efficiency, durability, and actual site suitability are taken into account. This system is built around evacuated tube solar technology, electric backup, lightweight framework, anti-frost protection, and strong warranty support rather than just bare minimum solar supply.

The bigger issue is installation suitability. Even a good solar system can become the wrong choice if the collector position, pipe runs, boosting arrangement, or tank location are not properly planned. That is why JR Gas & Water focuses on the overall installation result, not just the unit itself.

Professional Thermann Electric Boosted Solar 250L 22 Tube Installation in Brisbane & Gold Coast

JR Gas & Water provides professional Thermann Electric Boosted Solar 250L 22 Tube installation in Brisbane & Gold Coast, with the installation assessed around the roof layout, current hot water setup, pipework path, booster requirements, tank location, and the home’s actual hot water usage. Whether it is a solar hot water replacement in Brisbane or hot water installation on the Gold Coast, the goal is to make sure the system suits the site rather than forcing a solar model into the wrong property conditions.

We also service surrounding areas including Logan, Ipswich, Moreton Bay and Redlands. Our approach is practical and installation-led. That means checking whether the roof is suitable for the 22 tube collector layout, whether the ground-level tank location is workable, whether access is safe and practical, and what extra works may be required to complete the installation safely and compliantly.

What’s Involved in Installing the Thermann Electric Boosted Solar 250L 22 Tube?

Installing the Thermann Electric Boosted Solar 250L 22 Tube is very different from installing a ground-level electric storage system or a close-coupled solar unit. The storage tank stays at ground level while the solar tube collector is mounted on the roof, and the system relies on solar gain plus the electric boost element to deliver dependable hot water.

In a standard installation, the work may include removal of the old hot water system where applicable, positioning the new 250L tank, roof mounting the 22 tube solar collector, connecting solar flow and return pipework, integrating the electric boost arrangement, fitting or checking valves, tempering where required, commissioning the system, and testing operation. Depending on the site, that may also include roof access equipment, electrical work, extended pipe runs, upgraded valves, or changes to the existing plumbing layout.

The 250L tank in this range has a diameter of about 617mm, a tank height of about 1445mm, and a dry weight of about 71kg. The 22 tube collector is about 1636mm wide and 2005mm long, with a weight of about 80.7kg when the tubes are fitted.

Why Choose JR Gas & Water?

JR Gas & Water is installation-led, which matters with solar hot water because the success of the job depends heavily on the property, not just the product name. Split solar systems need practical assessment, not guesswork. The right result comes from making sure the system matches the roof, the plumbing layout, the boosting arrangement, the tank position, and the household demand.

We work with real homes across Brisbane and the Gold Coast, helping customers choose solar hot water systems that make sense for the property rather than relying on generic brochure claims. With a model like the Thermann Electric Boosted Solar 250L 22 Tube, that means practical advice, realistic installation planning, and a stronger focus on what will actually work on site.

Thermann Electric Boosted Solar 250L 22 Tube Installation FAQs

How much does Thermann Electric Boosted Solar 250L 22 Tube installation cost in Brisbane or the Gold Coast?

Installation cost depends on the property and the system layout. A straightforward job with a suitable roof, practical tank position, and workable access is generally simpler than a job involving difficult roof access, long pipe runs, electrical work, boost changes, or other extra works. Final pricing depends on the existing setup and what is required for a safe and compliant installation.

Is the Thermann Electric Boosted Solar 250L 22 Tube right for my home?

It can be a strong option for homes wanting a split solar hot water system with 250L storage, a 22 tube collector, and electric boosting. It is generally suited to 4 to 6 people, so it is better matched to moderate family demand than very light household use.

What is included in a standard Thermann Electric Boosted Solar 250L 22 Tube installation?

A standard installation typically includes the core labour and materials needed to install the ground-level tank, mount the collector on a suitable roof, and connect the system to the home’s hot water services where conditions allow. That may include tank placement, collector mounting, plumbing connections, valve assessment, electric boost integration, commissioning, and operational checks. Extra works may still be required depending on the site.

What warranty comes with the Thermann Electric Boosted Solar 250L 22 Tube?

This model has a 15 year warranty on the solar tubes, a 10 year tank warranty, and 1 year parts and labour for domestic use. On a timed recirculation system, the tank warranty drops to 3 years. Commercial use is also 3 years on the tank with 1 year parts and labour.

Can JR Gas & Water install the Thermann Electric Boosted Solar 250L 22 Tube in my area?

JR Gas & Water installs solar hot water systems across Brisbane and the Gold Coast, and also services Logan, Ipswich, Moreton Bay and Redlands. Availability depends on the job type, roof conditions, access, and site suitability, but we regularly handle solar hot water installation across these areas.

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

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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.

BaseFor compliant replacements of Existing Identical Compliant EXTERNAL installations
Ideal for identical exact swaps of the same electrical hot water system where the existing system meets legal compliance requirements. (example below) No extra plumbing, valves, pipework, support base, electrical work or disposal required or included.

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

SilverFor minor upgrades to an existing electric hot water system under 10 years old.
Includes minor pipework alterations and a valve kit but does not include electrical modifications, support base or system disposal. Designed for those swapping a similar electric system and working to a tight budget. 

(EXAMPLE - Swapping an 8year old Rheem 160L with a new Rinnai 315L where the existing installation is compliant but requires pipework alterations to adapt the new unit and new valve set for warranty)

🏆 Gold (Best Seller)For standard electric replacement installations
Covers a new valve set, old system removal, expansion drain lines, support base 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 minor electrical work
Adds electrical safety features like an isolator, safety switch, and cable extensions to our gold package to ensure a compliant and safe electrical connection.

(EXAMPLE - Swapping an old heat pump/split solar system 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)

DiamondFor homes needing extensive electrical work
Provides extra plumbing and electrical modifications, including a new electrical circuit on top of our gold package 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)

PlatinumThe ultimate package
Includes everythingsystem relocation, extensive plumbing, valve set, support base, drain lines, disposal, 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
Existing System Removal & 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)
FREE Waste & System Disposal (EXCLUDES ANY AND ALL ROOF MOUNTED COMPONENTS)
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.

IMPORTANT - Solar panel and roof-mounted tank removal is not included in any package and is available as an optional extra at additional cost.



🛠 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!

Your electric storage hot water system is built to provide years of reliable hot water, but like any major household appliance, it requires regular maintenance to remain safe, efficient and covered under the manufacturer's warranty.

Many manufacturers specify routine maintenance throughout the life of the system. Following these recommendations helps maximise the lifespan of the unit, maintain safe operation and reduce the likelihood of unexpected breakdowns.

Homeowner Maintenance – Every 6 Months

Every six months, homeowners should carefully operate the Pressure & Temperature Relief (PTR) Valve and Expansion Control Valve (ECV) (where fitted).

This simple maintenance helps:

  • Confirm the safety valves are operating correctly.
  • Flush away mineral deposits that can cause the valves to seize.
  • Prevent excessive pressure from building inside the tank.
  • Extend the life of the safety valves.

Why is this important?

Over time, minerals naturally found in water can build up inside the valves. If they are never operated, they may become stuck or fail when they're needed most.

A seized PTR or ECV valve can lead to:

  • Excessive pressure inside the tank.
  • Continuous leaking from the valve.
  • Reduced system efficiency.
  • Premature component failure.
  • Potential safety risks.

Important: Always follow your manufacturer's instructions when operating the valves, as hot water will discharge during testing. If you're unsure or unable to perform this maintenance safely, contact a licensed plumber.

JR 6-Month Hot Water Health Check

Recommended Service – $99

While homeowner maintenance is important, a professional inspection provides additional peace of mind and can identify issues long before they become expensive repairs.

Our JR 6-Month Hot Water Health Check includes:

  • Inspection for water leaks and corrosion.
  • Testing of the PTR valve.
  • Testing of the ECV (where fitted).
  • Checking electrical operation.
  • Inspecting wiring and electrical connections.
  • Checking thermostat operation.
  • Inspecting the element for signs of failure (where possible).
  • Inspecting insulation and pipework.
  • Checking for unusual noises or signs of sediment build-up.
  • Confirming correct operation and water heating performance.
  • Identifying any components showing signs of wear.

Service Price: $99

Regular inspections help detect small problems early, reducing the likelihood of unexpected breakdowns and helping maximise the life of your hot water system.

Recommended 5-Year Major Service

Current Price: $449

Most electric storage hot water manufacturers recommend replacing several key components approximately every five years to maintain reliable operation and protect the storage tank.

Our comprehensive 5-Year Service includes:

  • Replacement of the sacrificial anode.
  • Replacement of the Pressure & Temperature Relief (PTR) Valve.
  • Replacement of the Expansion Control Valve (ECV).
  • Full inspection of the hot water system.
  • Electrical safety and operational testing.
  • Inspection of pipework, valves and fittings.
  • Leak and corrosion inspection.
  • System performance testing.

Why These Components Matter

Sacrificial Anode

The sacrificial anode protects the steel tank from internal corrosion.

Instead of the tank rusting, the anode slowly corrodes over time. Once it has been consumed, the tank itself begins to rust from the inside, often leading to leaks and complete tank failure.

Replacing the anode is one of the most effective ways to extend the life of a storage hot water system.

Pressure & Temperature Relief (PTR) Valve

The PTR valve is one of the most important safety devices on your hot water system.

It automatically releases water if pressure or temperature inside the tank becomes too high, protecting both the system and your home.

Over time, scale and mineral deposits can prevent the valve from operating correctly, making regular testing and replacement essential.

Expansion Control Valve (ECV)

The ECV manages pressure created as water expands during heating.

A correctly functioning ECV:

  • Reduces stress on the storage tank.
  • Protects plumbing components.
  • Helps extend the life of the hot water system.
  • Reduces unnecessary water discharge through the PTR valve.

If Your Hot Water System Isn't Working

Before arranging a service, there are a few simple checks you can perform:

  • Ensure the power is switched on at the electrical switchboard.
  • Check whether the hot water circuit breaker or safety switch (RCD) has tripped.
  • Confirm the isolation switch near the hot water system is turned on.
  • Check whether your electricity supplier has scheduled an off-peak interruption.
  • Look for obvious water leaks around the system.
  • Check whether water is continuously flowing from the PTR or ECV valve.
  • Listen for unusual noises such as excessive boiling, rumbling or banging.
  • Confirm the system has had sufficient time to reheat after heavy water usage.

If your system still isn't producing hot water, contact JR Gas & Water for professional diagnosis and repair.

General Signs Your System May Need Attention

Arrange a service if you notice:

  • Water leaking from the tank.
  • Constant dripping from relief valves.
  • Rust-coloured or dirty hot water.
  • Reduced hot water capacity.
  • Water taking much longer to heat.
  • Unusual noises during heating.
  • Visible corrosion.
  • Fluctuating water temperature.
  • Repeated electrical trips.

Early repairs are often significantly less expensive than replacing a failed hot water system.

Protect Your Warranty & Maximise System Life

Regular maintenance not only helps keep your hot water system operating safely and efficiently—it can also assist in meeting manufacturer maintenance requirements.

Ignoring recommended servicing may result in:

  • Premature tank corrosion.
  • Seized or leaking safety valves.
  • Reduced efficiency and higher running costs.
  • Unexpected loss of hot water.
  • Avoidable repair costs.
  • Shortened system lifespan.
  • Possible reduction or loss of manufacturer warranty, depending on the manufacturer's maintenance requirements.

A small investment in preventative maintenance can add years to the life of your hot water system and help avoid the inconvenience and expense of an unexpected replacement.

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​

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.

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