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Thermann Smart Electric 315L Storage Hot Water System – Smart, Efficient & Built for Medium to Large Homes
Summary
The Thermann Smart Electric 315L Storage system delivers the perfect balance of capacity, technology, and energy efficiency for medium to large households. With Wi-Fi control and smart modes that learn your usage patterns, it’s designed to keep your energy bills low and your hot water flowing—seamlessly installed by Brisbane & Gold Coast’s award-winning experts.
Why Choose the Thermann Smart Electric 315L?
Generous 315L Capacity
Ideal for 3–5 people, this unit provides reliable hot water across multiple bathrooms, showers, and daily laundry demands without skipping a beat.
Wi-Fi Smart Control
With the Thermann smart app, you can:
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Control your system remotely
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Monitor real-time energy usage
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Customise heating schedules
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Track savings over time
Perfect for households who want flexibility and control while cutting down on energy bills.
Four Energy-Saving Operating Modes
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Eco Mode: Learns your hot water habits to heat efficiently
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Schedule Mode: Set heating windows to avoid peak-time energy use
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Holiday Mode: Switch it off while you’re away
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Manual Mode: Set your ideal temperature directly
This intelligent system makes saving power effortless without sacrificing performance.
Reliable, Durable & Built to Last
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Tough enamel-lined tank
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Designed for hard water conditions
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10-year tank warranty backed by national support
You get peace of mind with every shower.
Flexible Heating Elements
Choose between 1.8kW, 2.4kW, or 3.0kW elements
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Recovery rate up to 51.6L/hr @ 50°C rise
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Keeps up with your household's hot water needs, fast
Fully Installed with JR Gas & Water
Installed by Brisbane & Gold Coast’s 2023, 2024 & 2025 Best Plumbers, your system comes with:
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Full compliance paperwork (QBCC Form 4)
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All required valves & fittings
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Old unit removal
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Wi-Fi setup assistance
You get a smooth, compliant install and real local support.
Key Benefits at a Glance
✅ 315L Capacity – Perfect for 3–5 people
✅ Wi-Fi App Control – Easy adjustments anytime, anywhere
✅ Eco Mode – Smarter heating = lower power bills
✅ Schedule Mode – Save during off-peak hours
✅ Hard Water Ready – Built to resist corrosion
✅ 10-Year Warranty – Long-term peace of mind
✅ Expert Local Installation – JR Gas & Water does it right
What’s Included in Your JR Gas & Water Installation?
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Thermann Smart Electric 315L Hot Water System
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Licensed plumbing and electrical installation
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QBCC Form 4
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Removal and disposal of your old system
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All required valves and fittings
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Smart app setup support
Questions About This System
1. Is 315L enough for a household with two bathrooms?
Yes—this system comfortably supports homes with 3–5 people, even with back-to-back showers.
2. Do I need to be tech-savvy to use the smart app?
Nope! The Thermann app is easy to use with clear controls and energy tracking at your fingertips.
3. Can I really save money with this system?
Yes—Eco and Schedule Modes help avoid unnecessary heating and peak-rate energy costs.
4. What if I have hard water?
No worries—the tank is specifically built to handle hard water, making it perfect for Brisbane & Gold Coast conditions.
5. Is installation included in the package?
Absolutely—JR Gas & Water handles it all for a fast, clean, professional 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 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 - 315L
Width - 620mm
Height - 1765mm
Manufactured In - Australia
Cylinder/ Heat Exchange Material - Steel Enamel
Cylinder/Heat-Exchange Warranty - 10 Years
Noise Level - NAdBa
Dry Weight - kg
Energy Source -
Wifi Controller Built in or Compatible - Yes
Built In Timer - Yes
LED/LCD Status Indicator - No
Coefficient of Performance (COP) - 1
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.
