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Stiebel Eltron SNU 5 Instant Hot Water | Supply+Install | LIFETIME WARRANTY

Hot water, hassle-free. This Stiebel eltronis built for families who value reliability, efficiency, and peace of mind. With expert installation and unbeatable service, you’re in the best hands!
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Quick Specs & Benefits
  • 📦 Volume: 5L
  • 👨‍👩‍👧‍👦 Recommended Household Size: people
  • 📏 Width: 240 mm
  • 📐 Height: 423 mm
  • 🛠️ Internal Cylinder Material:
  • 📅 Maximum Warranty: 5 Years
  • 💡 LED/LCD Status Indicator:
  • 🌍 Made In: Europe
JR Gas & Water
Select Your Under Sink Hot Water Package and Install Timeframe Below

Choose your under sink hot water installation package first, then choose your preferred timeframe. Not sure which package suits your sink or kitchenette?

Choose the Perfect Hot Water Package - Not sure? Select the best option for your home!
Choose When You Want It Installed! Need hot water fast? Pick a priority install and skip the wait!
Your Final Cost is
Regular price $1,449.00
Regular price $1,849.00 Sale price $1,449.00
Save $400
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Not 100% sure? Prefer a written quote first?

For electric under sink water heater installations with tight cupboard space, non-standard pipework, power supply requirements, limited access, existing unit replacement issues, relocation work, or uncertainty around the correct unit size, our team can confirm the best option before you book.

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✔ Service by Licensed Professionals  •  ✔ Fixed Price Services

🏷️ Brand – Stiebel eltron
🔢 Model Number
📦 Volume – 5L
📏 Width – 240mm
📐 Height – 423mm
🌍 Manufactured In – Europe
🛠️ Cylinder / Heat Exchange Material
🛡️ 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)

Stiebel Eltron SNU 5 Plus Installation in Brisbane & Gold Coast

If you are looking for Stiebel Eltron SNU 5 Plus installation in Brisbane or the Gold Coast, JR Gas & Water provides practical advice, supply and installation, and professional replacement services for properties that suit this style of unit. The Stiebel Eltron SNU 5 Plus is an open vented compact storage water heater designed for a single isolated sink, making it a practical option for kitchens, utility areas, office kitchenettes, and similar spaces where small-scale local hot water is needed without relying on a larger household system. For the right setup, it can be a smart choice supplied and installed by JR Gas & Water for a like-for-like replacement or a new installation where the tapware, plumbing layout, and power supply are suitable.

What Is the Stiebel Eltron SNU 5 Plus?

The Stiebel Eltron SNU 5 Plus is a compact single phase storage water heater with a 5 litre tank designed for under sink installation. Unlike an instantaneous unit, it stores heated water in the tank ready for use, which makes it a practical option where quick local hot water is needed at one fixture. This model is part of Stiebel Eltron’s open vented compact storage range, which means it is designed for use with specialised open-vented tapware rather than standard mains pressure tapware.

It is a plug-in appliance with a compact under-sink format suited to point-of-use installation. Because it is built specifically for one draw-off point, it is important not to position it like a general household hot water service. This is a local fixture solution for the right application, not a full whole-home unit.

Why Choose the Stiebel Eltron SNU 5 Plus?

One of the main reasons people choose the Stiebel Eltron SNU 5 Plus is because it delivers stored hot water right where it is needed. That can make a big difference in a kitchen or utility area where long pipe runs from a larger system would otherwise waste water and delay hot water delivery. With a compact under-sink setup, the result can be faster local hot water and a more efficient arrangement for everyday use.

This model also stands out because it is designed for compact point-of-use performance rather than trying to be something it is not. It has low standby energy use, a rotary temperature selector, plug-in installation convenience, and a compact design that can make replacement and fit-off simpler in the right location. The SNU 5 Plus also includes an anti-drip function on the 5 litre model, which helps reduce expansion water dripping during heat-up.

For buyers who want a recognised brand rather than a cheap unknown alternative, the Stiebel Eltron SNU 5 Plus offers stronger confidence in design, support, and everyday practicality.

Is the SNU 5 Plus Right for Your Home?

The SNU 5 Plus is best suited to single sink, point-of-use applications where small-scale local hot water is needed. It may be a good fit for a kitchen sink, staff room sink, utility sink, or similar location where a compact under-sink storage heater makes more sense than extending a larger hot water system to that point. Because it is designed for one isolated fixture, it is especially useful where convenience, reduced water wastage, and compact installation matter.

It is important to understand that this is not a mains pressure under-sink unit and not a whole-home hot water system. The SNU 5 Plus must be fitted with specialised open-vented tapware, so it is not the right choice where standard pressure tapware is to remain in place or where multiple outlets need to be served. JR Gas & Water considers the tapware arrangement, under-sink space, power point location, plumbing layout, and intended use before recommending the installation path.

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

Even with a smaller point-of-use water heater, quality matters. A recognised model like the Stiebel Eltron SNU 5 Plus gives homeowners and property owners more confidence in build quality, insulation performance, parts support, and long-term value than many low-cost alternatives. When a compact hot water unit is being installed permanently into a kitchen or utility space, reliability and correct application matter just as much as upfront price.

That matters because a smaller under-sink heater still needs to operate safely, maintain temperature properly, and suit the intended outlet. A quality brand also gives more confidence that the product has been designed for the job it is meant to do, with proper thermal insulation, safety features, and product support behind it. For many buyers, choosing a better compact unit up front is really about reducing the risk of poor performance, limited support, or early replacement.

Professional Stiebel Eltron SNU 5 Plus Installation in Brisbane & Gold Coast

JR Gas & Water provides professional Stiebel Eltron SNU 5 Plus installation in Brisbane & Gold Coast for customers who want the unit installed properly to suit the sink layout, cupboard space, plumbing setup, and intended use. We take an installation-led approach because even a compact under-sink water heater needs to be matched correctly to the property if it is going to perform properly and comply with the intended installation method.

For units like the Stiebel Eltron SNU 5 Plus, the installation is not just about placing the heater in a cupboard. It also needs to suit the available under-bench space, wall mounting position, open-vented tapware requirement, water connections, access for servicing, and nearby plug-in power supply. JR Gas & Water services Brisbane and the Gold Coast, along with surrounding areas including Logan, Ipswich, Moreton Bay and Redlands. Whether you need a straight replacement for an older point-of-use unit or a new compact hot water system installed by licensed professionals, we help make sure the system and installation path are right for the property.

What’s Involved in Installing the Stiebel Eltron SNU 5 Plus?

A standard Stiebel Eltron SNU 5 Plus installation will usually involve supplying the genuine unit, removing the old system where applicable, mounting the new heater in a suitable under-sink location, connecting it to compatible plumbing and power where those services are suitable, fitting or confirming the correct open-vented sink mixer, testing the system, commissioning it, and providing basic operating guidance.

As with most replacements, the final installation scope depends on what is already at the property. Some jobs are straightforward like-for-like changes, while others may require extra work to suit the sink configuration or bring the installation into line with the product requirements. Depending on the setup, that may include tap changes, plumbing alterations, isolation items, cupboard access considerations, or power point positioning. Because this is an open vented under-sink storage water heater, matching it to the correct tapware and installation arrangement is one of the main considerations.

Why Choose JR Gas & Water?

JR Gas & Water is not just supplying a product. We help customers choose the right hot water setup for the way the space is actually used and make sure the installation suits the sink area, plumbing layout, power supply, cupboard space, and intended application. That matters with a model like the Stiebel Eltron SNU 5 Plus, because the best result depends on using it in the right type of installation as much as on the product itself.

Customers choose JR Gas & Water because we understand real installation work in homes, offices, and utility spaces, not just brochure features. We look at whether the current setup is a straightforward replacement, whether the location is suitable, whether the tapware arrangement is correct, and whether the final layout will function properly in everyday use. For property owners looking for reliable installers in Brisbane or the Gold Coast, that practical approach helps reduce guesswork and leads to a better installation outcome.

Stiebel Eltron SNU 5 Plus Installation FAQs

How much does Stiebel Eltron SNU 5 Plus installation cost in Brisbane or the Gold Coast?
The final cost depends on whether it is a straightforward replacement or whether extra plumbing, tapware, cupboard, or electrical works are required. A like-for-like installation is usually simpler than a job needing layout or tap changes.

Is the Stiebel Eltron SNU 5 Plus right for my home?
It can be a great option for a single isolated sink where a compact under-sink open vented storage heater is suitable. It is not intended as a whole-home hot water system or a mains pressure multi-outlet unit.

What is included in a standard Stiebel Eltron SNU 5 Plus installation?
A standard installation usually includes supply of the unit, removal of the old system where applicable, installation to suitable existing services, testing, commissioning, and basic handover. Any additional works needed at the property can be quoted separately.

Can the Stiebel Eltron SNU 5 Plus replace my current system?
In many cases, yes, particularly where it is replacing another compact point-of-use under-sink unit. Suitability depends on the available space, the plumbing setup, and whether the correct open-vented tapware can be used.

Can JR Gas & Water install the Stiebel Eltron SNU 5 Plus in my area?
JR Gas & Water installs hot water systems and compact point-of-use water heaters across Brisbane, the Gold Coast, and surrounding service areas. If you are unsure whether your property is within range, we can confirm serviceability and the best installation path for your location.

Electric Continuous Flow Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

Choosing the right electric continuous flow hot water system package depends on your installation requirements, household size, and whether additional electrical or plumbing work is needed. 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?

BaseFor compliant replacements
Ideal for direct swaps where the existing system meets compliance. No extra plumbing or electrical work included.

(EXAMPLE - A Stiebel DEL27 replacing complaint Stiebel DEL27 not a Stiebel DHE27)

SilverFor 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 Stiebel DEL27 with a new Stiebel DEL27 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 Stiebel DHB21 with a new Stiebel DHB21, Strip all down and redo the valves, pipework 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 Stiebel DEL27 for a Rheem Eclipse 27kW with electrical changes required to adapt the new system, then strip all down and redo the valves, pipework, and dispose of the old unit)

DiamondFor 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 electric storage type system with a new instant electric unit that needs its own dedicated 3 Phase electrical circuit, then strip all down and redo the valves, pipework, and dispose of the old unit)

PlatinumThe ultimate package
Includes everythingsystem 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
Waste & System Disposal (Old System Removal)
Electrical Isolator (Ensures Safe Operation & Maintenance Access)
Electrical Extension
🏆 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!

🛠 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! 🚀

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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