🏷️ Brand: Thermann
🔢 Model Number:
📦 Volume: 250L
📏 Width: 620 mm
📐 Height: 1445 mm
🌍 Manufactured In: Australia
🛠️ Cylinder / Heat Exchange Material: Steel Enamel
🛡️ Cylinder / Heat Exchange Warranty: 10 Years
🔇 Noise Level: NA dBa
⚖️ Dry Weight: kg
⚡ Energy Source:
📡 WiFi Controller: Yes
⏲️ Built-In Timer: Yes
💡 LED/LCD Status Indicator: No
📊 Coefficient of Performance (COP): 1
Thermann Smart Electric 250L Storage Hot Water System – Smart Control Meets Everyday Efficiency
Summary
Looking for the ideal blend of energy savings, smart technology, and just-right hot water capacity? The Thermann Smart Electric 250L delivers reliable performance with smart features and app control, perfect for homes with 2–4 people. Get intelligent water heating, lower power bills, and expert local installation by JR Gas & Water—the region’s 2023, 2024 & 2025 Best Plumbers.
Why Choose the Thermann Smart Electric 250L?
Perfect 250L Capacity for Medium Homes
Designed to meet the hot water needs of small to medium families (2–4 people), this system delivers consistently hot water without overpaying for unused capacity.
Control It All from Your Phone
With the Thermann Smart App, take charge of your hot water:
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Turn heating on/off remotely
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Monitor usage and set schedules
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Track energy consumption in real-time
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Avoid heating water when no one’s home and reduce those electricity bills.
4 Smart Operating Modes
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Eco Mode: Learns your habits and optimises energy usage
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Schedule Mode: Heats when it suits your daily routine
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Holiday Mode: Switches off while you’re away
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Manual Mode: Gives you total control when needed
Each mode is designed to reduce unnecessary heating and maximise efficiency—without any guesswork.
Durable Build for Aussie Conditions
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Hard water compatible—built tough for Brisbane & Gold Coast
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10-year tank warranty with support that lasts
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Enamel-lined steel tank for long-lasting reliability
Flexible Heating Options
Choose from 1.8kW, 2.4kW, or 3.0kW elements
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Fast recovery rate up to 51.6L/hour @ 50°C rise
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Keep hot water coming without delays, even in winter
Supplied & Installed by Local Experts
Get it installed properly the first time with JR Gas & Water:
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QBCC Form 4 included
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All valves and fittings supplied
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Safe removal of old hot water system
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Clean, fast installation with full Wi-Fi setup
Key Benefits at a Glance
✅ Smart Wi-Fi App – Remote control, schedule & monitor
✅ Ideal for 2–4 People – Energy efficiency meets comfort
✅ Eco Mode – Built-in intelligence for lower running costs
✅ 10-Year Tank Warranty – Built to last
✅ Hard Water Resistant – Long life in harsh conditions
✅ Installed by Award-Winning Local Plumbers
What’s Included in Your JR Gas & Water Installation?
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Thermann Smart Electric 250L Hot Water System
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All plumbing & electrical connections
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QBCC Form 4
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Setup of smart app and operation modes
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Removal of your old unit
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All required valves and fittings
Questions About This System
1. Is 250L the right size for my home?
Yes—it’s ideal for 2–4 people, supporting multiple showers and appliances without waste.
2. Can I save money using the smart features?
Definitely. Eco and Schedule Modes help cut down your energy bills by avoiding unnecessary heating.
3. Is this system easy to control?
Yes—the app is simple, user-friendly, and gives you full visibility of usage and settings.
4. Will it last in Brisbane's hard water?
Yes—it’s designed for hard water resistance, making it reliable for local conditions.
5. Is professional installation included?
Absolutely—our licensed team handles everything for a stress-free experience.
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 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)
✅ Silver – For 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)
✅ Diamond – For 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)
✅ Platinum – The ultimate package
Includes everything – system 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!
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.