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Stiebel Eltron WWK222 220L Heat Pump from $3099 Installed

Stiebel Eltron WWK222 220L Heat Pump Hot Water System Installed - JR Gas and WaterWater Heater - Heatpump

Stiebel Eltron WWK222 220L Heat Pump from $3099 Installed


BASE RATE - Perfect for those who wish to install the exact make and model as their current system. NOTE the existing system must be compliant with current standards for this package to apply with tempering valve installed, appropriate support base and drains run to compliant discharge point.

plus SILVER INCLUSIONS - Designed for those switching from a similar electric system and wanting to upgrade the valve and pipework so its all new, complaint and working effectively. NOTE reusing old valves can effect your product warranty. The existing installation must have compliant drains and appropriate support base for this package to apply.

plus GOLD INCLUSIONS - Our most popular package for the do it right the first time person. Strip it all down and redo all the pipework, valves, fit a new support base, run drains to a compliant discharge point then dispose of the old unit.

plus PLATINUM INCLUSIONS - Designed for those wanting to replace and relocate their existing system to a new location or convert from a different system type.

STEP 1. - Select Post Rebate External Installation Package (STC Rebates signed over to JR Gas & Water on install)
STEP 2. - Select Preferred Installation Day
STEP 3. - Select Installation Area
Regular price $3,499.00 Sale price $3,099.00 Save $400
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  • In stock, ready to ship
  • Inventory on the way

All online packages are for a like for like, EXTERNAL (outside building lines) replacement of existing installation only and installation fees do not cover relocating the system, upgrades to current standards, electrical supply alterations outside of a standard disconnect/reconnect, upgrades due to insufficient gas, water or power supplies or repairs of any kind outside of the hot water system UNLESS they are included the purchased package.

For all internal installations please complete our quote request form.

All electrical hot water systems must be perpendicular to the wall with the electrical connection at the front and centre facing forward. unless a relocation package has been purchased.


Two man install will be required where access issues noted below are applicable and installation is not safe to be completed by a single person will be an additional $200. Access for installation is to be free of stairs, steep driveways, through homes, over retaining walls, in ceilings. Unit must be able to be maneuverer by hand trolley from vehicle to installation position without being carried. Confirmation from JR in writing of access suitability where any of the above conditions apply. For restricted access installations we recommend completing our quote request form and sending photos prior.

Tax included. Shipping calculated at checkout.

Maximize Efficiency with the Stiebel Eltron WWK222 Heat Pump - Your Eco-Friendly Hot Water Solution

The Stiebel Eltron WWK222 heat pump promises up to 74% savings on hot water energy use for medium-sized households. Featuring a maintenance-free anode and active defrost function, this unit operates effectively in temperatures as low as -5°C. With eco-friendliness at its core, the WWK222 seamlessly integrates with solar PV systems for enhanced sustainability. Discover how it stands out in the market and whether it is the right investment for your energy-efficient home solution.

Key Takeaways

  • The Stiebel Eltron WWK222 is an energy-efficient hot water heat pump that can cut hot water energy use by up to 74% and operates down to temperatures as low as -5°C.

  • Features like innovative active defrost function, maintenance-free anode operation, and compatibility with solar PV systems make WWK222 both user-friendly and environmentally sustainable.

  • The WWK222 offers financial advantages including eligibility for Small-scale Technology Certificates (STCs), long-term energy bill savings, and low maintenance costs, contributing to its financial viability over time.

Exploring the Stiebel Eltron WWK222

Distinguished from conventional hot water heat pumps, the Stiebel Eltron WWK222 offers unique features and functionality. Its innovative design and advanced heat pump technology combine to provide an energy-efficient solution for hot water needs. The Stiebel Eltron WWK222:

  • Is designed to save up to 74% on hot water energy use

  • Operates with a low power draw of only 2.3 Amps

  • Is an eco-friendly solution that is kind to our planet and to our wallets.

Additionally, this high-quality heat pump can be seamlessly integrated with solar PV systems, enhancing its eco-friendliness and demonstrating the advances in heat pump technology, including its efficient heat pump function.

Innovative Design

A testament to German engineering, the innovative design of the WWK222 enables effective functioning even at cold water temperature as low as minus 5°C, made possible by its maintenance-free anode. This anode, compatible with both hard and soft temperature water areas, ensures energy-efficient hot water while providing cost-saving benefits due to its maintenance-free nature.

Playing a crucial role in its efficient operation, the Stiebel Eltron WWK222 boasts an active defrost feature. Also known as hot gas defrosting, this feature efficiently and automatically removes ice buildup from the evaporator as needed, guaranteeing uninterrupted operation in cold climates. The appliance fan remains operational even during defrost cycles, ensuring optimal heat transfer and thereby contributing to the high operational efficiency of the WWK222.

Energy Efficiency at Its Best

Renowned for its high level of energy efficiency is the WWK222. Thanks to its active defrost function, optimal performance is ensured even in cold weather conditions. But that’s not all. The energy efficiency of the WWK222 can reduce hot water energy consumption by up to 70% when compared to traditional hot water electric systems in Australia, making it an ideal solution for cold climates where it operates efficiently.

What sets the WWK222 apart from other traditional water heating systems is its ability to:

  • Produce hot water in cold temperatures without the use of an element

  • Utilize ambient heat from the air, even in temperatures as low as -5°C, without the need for an element

  • Effectively remove any hoar frost at the evaporator and then resume hot water generation mode, ensuring efficient operation.

Compatibility with Solar PV Systems

Going a step further in its journey towards sustainability, the WWK222 offers the following features:

  • Compatibility with solar PV systems, allowing the heat pump to integrate seamlessly into solar PV systems

  • Enhancing the utilization of renewable energy for self-consumption

  • Ensuring efficient delivery of temperature-controlled water

The benefits of pairing the WWK222 with solar PV systems are manifold:

  • It enables operation on extended off-peak power and timer settings

  • The well-insulated tank minimizes heat losses

  • This can result in lower energy costs and increased energy savings

  • The WWK222 is a market leader in Australian conditions.

Key Features of the WWK222

Loaded with key features designed to enhance its efficiency and user experience is the Stiebel Eltron WWK222. Notably, it comes equipped with an active defrost function that utilizes hot gas to rapidly defrost the evaporator, ensuring optimal operation in cold weather conditions.

Additionally, the maintenance-free operation feature achieved through the use of a maintenance-free current impressed anode shields the heat pump cylinder from corrosion, leading to a reduction in maintenance requirements and contributing to the product’s long-term durability.

Active Defrost Function

A standout feature of the WWK222 is its active defrost function. It is designed to maintain optimal performance in cold conditions by defrosting the evaporator as necessary. The operational process of this function involves:

  1. The frost monitor detecting hoar frost buildup

  2. Switching off the fan

  3. Running the compressor

  4. Directing hot vapor to the evaporator, actively defrosting it This ensures energy-efficient operation down to -5 °C.

The installation active defrost function:

  • Becomes active when the frost monitor detects the need for rapid defrosting of the evaporator

  • Enables rapid defrosting of the evaporator

  • Preserves the heat pump’s efficiency

  • Ensures optimal performance even in cold climate conditions

Maintenance-Free Operation

Offering a hassle-free hot water solution is the maintenance-free operation of the WWK222. It features a maintenance-free anode that leads to cost savings over time by minimizing maintenance needs and aid hot water recovery.

The significance of the maintenance-free operation for the Stiebel Eltron WWK222 is that it operates quietly with an encased compressor design and features a maintenance-free impressed current anode, which ensures reliability and cost savings.

Smart Control and Safety Features

Making it an intelligent and user-friendly device are the smart control features of the WWK222. It has a smart control feature that triggers a smart element in response to high demand for hot water from the tank, ensuring efficient delivery of hot water.

In terms of safety, the Stiebel Eltron WWK222 guarantees user safety through the implementation of proper installation and fitting of all safety equipment before operation. Additional safety measures must be followed when using instantaneous electric hot water heaters. These measures include:

  • Ensuring proper ventilation to prevent the buildup of carbon monoxide

  • Regularly checking for leaks and ensuring proper grounding

  • Following manufacturer’s instructions for maintenance and operation

These measures, coupled with its smart control features, make the WWK222 an advanced and safe choice for all users.

Installation and Operation

Designed with user convenience in mind, the WWK222 ensures straightforward and hassle-free installation and operation. From flexibility in installation to a user-friendly interface, the WWK222 is adaptable to your needs and preferences, making it a popular choice for homeowners across the country.

Installation Flexibility

Facilitated by its design, the WWK222’s single piece construction allows for horizontal transportation, streamlining the unit’s movement and installation process. The Stiebel Eltron WWK222 heat pump offers the option of indoor installation, requiring a minimum of 13m3 of clear space, as well as outdoor installation, showcasing its flexibility in installation.

The installation versatility of the WWK222, which encompasses both indoor and outdoor options, offers users increased flexibility and choice when incorporating the system into their residence or structure, distinguishing it from other heat pumps that may offer more restricted installation options.

User-Friendly Interface

Improving the overall experience and ensuring quick and efficient operation, the user-friendly interface of the WWK222 offers clear options for setting temperature schedules, adjusting settings, and accessing energy usage data.

The interface of the WWK222 includes a user-friendly LCD screen that presents the available mixed water and can be effortlessly integrated into solar PV systems, providing convenient operation. To aid users in navigating the interface of the WWK222, user-friendly interface tutorials and guides are available in the ‘Special Information’ and ‘Operation’ sections of the operation and installation manual, as well as on the STIEBEL ELTRON website.

Adaptable to Your Needs

Engineered to accommodate a range of Australian conditions, the Stiebel Eltron WWK222 can function even in temperatures as low as minus 5°C. Additionally, it is suitable for installation both indoors and outdoors, and offers operational modes including an energy-efficient mode and an active defrost function to effectively address cold climates. In fact, the way this system cold climates operates ensures optimal performance in such conditions.

The Stiebel Eltron WWK222 is designed to cater to medium-sized households, meeting the requirements of a home with 3 - 4 occupants. Moreover, the operational settings of the Stiebel Eltron WWK222 can be conveniently modified, allowing for temperature adjustments within the range of 61°C to 65°C. Additionally, it offers multiple modes such as the recirculation air mode for the compact series, in addition to the energy-efficient setting.

Financial Incentives and Benefits

Not only is the Stiebel Eltron WWK222 an energy-efficient and eco-friendly solution for hot water needs, but it’s also a financially smart choice. Here are some reasons why:

  • It qualifies for Small-scale Technology Certificates (STCs), which can provide financial incentives.

  • It helps you save on your energy bills in the long run.

  • It is an investment that pays for itself over time.

Small-scale Technology Certificates (STCs)

Small-scale Technology Certificates (STCs) are exchangeable certificates representing 1 megawatt hour of renewable electricity produced or substituted by qualified small-scale renewable energy systems like the Stiebel Eltron WWK222 heat pump. These certificates serve as a type of carbon credits to counterbalance carbon emissions and are capable of being purchased, sold, or exchanged, thereby encouraging investment in renewable energy.

STCs can be utilized to mitigate the upfront expense of acquiring renewable energy assets such as the Stiebel Eltron WWK222, thereby rendering the initial investment more economical and encouraging the uptake of environmentally sustainable technology.

To obtain Small-scale Technology Certificates (STCs) for the Stiebel Eltron WWK222, it is necessary to fill out the relevant hot water rebate forms and provide a plumbing installation certificate. The allocation of STCs is determined by the heat pump’s capacity and the climate zone in which it is installed.

Long-term Savings

Contributing to long-term savings, the energy efficiency of the Stiebel Eltron WWK222 hot water heat pump reduces hot water consumption by up to 74%. The Stiebel Eltron WWK222 heat pump has the potential to reduce hot water energy costs by as much as 74% over time.

The maintenance-free operation of the WWK222 heat pump, including its maintenance-free current impressed anode, aids in reducing long-term expenses by eliminating the necessity for regular maintenance and extending the lifespan of the heat pump. Supplementary financial benefits such as rebates, grants, and financial incentives are also accessible for the installation of the Stiebel Eltron WWK222 heat pump, which can result in substantial savings, particularly when transitioning from an electric storage system.

Comparing WWK222 with Other Heat Pumps

Compared to other heat pumps on the market, the Stiebel Eltron WWK222 distinguishes itself with exceptional energy efficiency, innovative design, and installation flexibility. It offers highly efficient operation that can result in savings of up to 74% on hot water costs, distinguishing it from well-regarded brands such as SPRSUN, Mitsubishi, GOODMAN, Johnson Controls, LG, and Samsung.

Its German engineering, tailored for Australian conditions, along with its quiet encased compressor design, compatibility with both hard and soft water areas, and low current draw make it a superior choice in the heat pump market, establishing itself as the Australian conditions market leader.


In conclusion, the Stiebel Eltron WWK222 is a revolution in hot water solutions, offering a combination of energy efficiency, eco-friendliness, and cost savings. With its innovative design, compatibility with solar PV systems, maintenance-free operation, and user-friendly interface, it offers a superior hot water solution. So why wait? Make the smart choice today and invest in the Stiebel Eltron WWK222 for a sustainable, efficient, and cost-effective hot water solution.

Frequently Asked Questions

What are the pitfalls of a heat pump water heater?

Heat pump water heaters are not efficient in colder temperatures and require a consistent ambient warmth to work effectively, making them unsuitable for certain regions.

What is the best heat pump to buy in Australia?

The Daikin brand offers reliable and quality heating solutions in Australia, with their air source heat pumps being highly efficient and boasting an impressive 4-star energy rating. Consider Daikin when looking for the best heat pump in Australia.

Is stiebel eltron made in china?

No, Stiebel Eltron is not made in china. The company is based in Germany, with additional factories in Sweden, Slovakia, Thailand, and China, but it uses German technology and manufacturing.

What makes the Stiebel Eltron WWK222 a superior choice in the heat pump market?

The Stiebel Eltron WWK222 stands out in the heat pump market for its high energy efficiency, innovative design, compatibility with solar PV systems, and maintenance-free operation. It offers a superior choice for those seeking a reliable and efficient heat pump option.

How does the WWK222 contribute to long-term savings?

The WWK222 contributes to long-term savings by reducing hot water consumption by up to 74% and lowering energy bills, while also minimizing maintenance costs. This makes it a cost-effective choice for long-term use.

Brand - Stiebel Eltron
Model Number - WWK222
Volume - 220L
Width - 690mm
Height - 1553mm
Manufacturered In - Slovakia
Cylinder/ Heat Exchange Material - Steel
Cylinder/Heat-Exchange Warranty - 5 Years
Noise Level - 45dBa
Avoid Install Next to Sleeping Areas - Yes (Recommend Unit Relocated To Communal Areas or Switched off at Night)
Weight - 120kg
Energy Source - Solar
Wifi Controller Built in or Compatible - No
Built In Timer - No
LED/LCD Status Indicator - No
Coefficient of Performance (COP) - 3.94

If you're in Queensland and considering a heat pump hot water system, look no further than JR Gas & Water. 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 heat pump 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 heat pump 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 heat pump 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 heat pump 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.

Sustainable and Environmentally Friendly: Heat pump hot water systems are a sustainable and environmentally friendly option for heating water. They use renewable energy sources, such as air or ground heat, to heat water, resulting in lower greenhouse gas emissions and reduced energy bills. JR Gas & Water can help you make the switch to a more sustainable and cost-effective solution for your hot water needs.

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A heat pump hot water system is an energy-efficient way to heat water for domestic use. It works by using a heat pump to extract heat from the air outside, then transferring it to the water in a storage tank.

The benefits of installing a heat pump hot water system include lower energy bills, reduced greenhouse gas emissions, and a longer lifespan than traditional hot water systems.

The cost of installing a heat pump hot water system in Australia can vary depending on factors such as the size of the system, the complexity of the installation, and the location of the property. On average, prices range from $2,500 to $5,000.

Yes, there are several government rebates and incentives available for installing a heat pump hot water system in Australia. These include the Small-Scale Technology Certificate (STC) scheme, which provides financial incentives for renewable energy systems, and the Renewable Energy Target (RET) scheme, which aims to increase the use of renewable energy sources.

The installation time for a heat pump hot water system can vary depending on the complexity of the installation and the size of the system. On average, installation can take between 2-3 hours.

Yes, like all hot water systems, heat pump hot water systems require regular maintenance to ensure they are working efficiently and to prolong their lifespan. This includes checking the system's filters, cleaning the coils, and checking the refrigerant levels.

Heat pump hot water systems typically last between 10-15 years, although this can vary depending on the quality of the system, the frequency of maintenance, and the level of usage.

Yes, heat pump hot water systems can be installed in most types of properties, including residential homes, commercial buildings, and apartments.

Yes, installing a heat pump hot water system can have environmental benefits, such as reducing greenhouse gas emissions and helping to conserve natural resources. However, it's important to ensure that the system is installed correctly and that the property has adequate ventilation to avoid any negative environmental impacts.

Choosing the right size heat pump hot water system for your property will depend on several factors, including the number of people in the property, the level of hot water usage, and the climate in the area. A qualified installer can help you determine the right size system for your needs.

Reviews From Our Customers


Great service. We were about to move into a house without hot water! Were able to get to us urgently and have us up and running. Professional, friendly service! Reasonable pricing too.


The JR Gas and Water team was very professional and friendly. They arrived on time and exchanged my hot water system within 2 hours. Will definitely use them again in the future.


Not only is the service incredible, the quality of the work is too! The digital quotes are detailed, so you know exactly what you are paying for (and why). Jarred was prompt, efficient, and highly skilled.


I called JR Gas and Water at 9.30 Saturday morning and he arrived at appointment time 11.30 Saturday morning.
Job complete, waste and packaging removed.
Highly recommend this service.
Super Friendly, very efficient.


I recently contacted JR Gas & Water as I needed a new electric hot water system suppled and installed. Their website is informative and easy to navigate and the quote and booking process very straight-forward. The service I experienced from my initial phone enquiry with Jay all the way through to the punctual and professional installation by Sean was absolutely amazing! The service provided far exceeded my expectations. I highly recommend JR Gas & Water.


Accurate on time and easy to read quotes. They arrived on schedule and we’re in and out with hot water going again in no time. There was no mess left behind it was easy and hassle free


Very informative in helping me choose a hot water system that suited my needs. Competitive prices. Quick and reliable service.Happy with my product and highly recommend this company for your hot water needs


JR Gas and Water were fast, efficient and very reliable. They sent a quote quickly that was itemised and comprehensive. I was able to approve the quote online and they were out the next day to fit the new hot water system. As the family have a very ill family member we were all very grateful. We had tried another service just before this company and they were all over the show with lots of comments about "extras", after providing an initial quote. So glad we changed to JR Gas and Water!


You wont see reviews this good anywhere else.

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