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Stiebel Eltron WWK302H Heat Pump Hot Water System Installed

Stiebel Eltron WWK302H Heat Pump Hot Water System 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 $3,799.00 Sale price $3,399.00 Save $400
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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.

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Maximize Efficiency with the Stiebel Eltron WWK302H Heat Pump Hot Water System

Are you looking for a cost-efficient hot water system? The Stiebel Eltron WWK302H heat pump provides robust reliability and impressive energy savings, crafted with innovative German technology. This article will guide you through its efficient performance in diverse climates, ease of installation, and the long-term benefits of integrating this system into your home.

Key Takeaways

  • The Stiebel Eltron WWK302H Heat Pump is characterized by high energy efficiency, low operation noise, flexibility of installation locations, and the ability to integrate with solar PV systems, offering significant energy and cost savings.

  • The heat pump is engineered to work in various climates, featuring an active defrost function for cold temperatures as low as -5°C and an installation-ready design for both indoor and outdoor environments.

  • Owners of the WWK302H may be eligible for Small Scale Technology Certificates (STCs), which contribute to cost savings by offering rebates that recognize the system’s contribution to generating renewable electricity.

Exploring the Stiebel Eltron WWK302H Heat Pump

Offering a blend of top-notch performance and state-of-the-art features, the Stiebel Eltron WWK302H Heat Pump epitomizes a high-quality hot water system. Utilizing unique heat pump technology, it showcases unparalleled energy efficiency, making it highly economical even in diverse climate conditions. Its sophistication is evident in its encased compressor design, which ensures a quiet operation, making it suitable for both indoor and outdoor installations.

German Engineered for Optimal Performance

Exhibiting superior German engineering, the Stiebel Eltron heat pump, specifically the WWK302H model, is esteemed for its reliability and efficiency. This technology has undergone extensive testing for over forty years, delivering tangible energy, environmental, and cost-saving advantages.

One of its key features, the installation active defrost function, significantly contributes to its efficiency, making it a standout in the market.

Innovative Features for Modern Living

More than just a hot water system, the Stiebel Eltron WWK302H Heat Pump signifies a revolution in contemporary living. Equipped with an active defrost function, it operates effectively even in cold climates, maintaining the desired temperature water. This efficiency makes hot water heat pumps, like the Stiebel Eltron model, an excellent choice for modern households.

Moreover, it can be integrated with solar PV systems, creating a harmonious relationship between solar energy and heat pump technology to enhance overall efficiency. These innovative features make it a perfect fit for modern living.

Smart Energy Consumption

Providing a smart solution for energy consumption, the Stiebel Eltron WWK302H Heat Pump stands out. It offers:

  • High energy efficiency, featuring one of the lowest amp usages in the market

  • Potential savings of up to 74% on hot water energy use

  • Low power consumption, typically under 700 W

Moreover, it can generate hot water efficiently even in cold water temperature conditions as low as -5°C without the requirement of an electric element, thanks to the active defrost function that manages icing at lower air temperatures.

Installation Flexibility with Stiebel Eltron WWK302H

The Stiebel Eltron WWK302H Heat Pump offers the flexibility of installation location choice. Whether you have an indoor space or prefer to install it outdoors, this heat pump offers versatile installation options based on site requirements and available space. Its advanced design also accounts for environmental factors, ensuring optimal performance regardless of the installation location.

Outdoor Installation Ready

Designed for outdoor installation, the Stiebel Eltron WWK302H Heat Pump is weatherproof and capable of enduring a range of weather conditions. It comes with a weather protection cover to safeguard it from dust and moisture, ensuring its longevity.

So, if you’re considering an installation outdoor, rest assured that this heat pump, once installed outdoors, is ready for the task.

Indoor Minimum Space Requirements

For indoor installation, the Stiebel Eltron WWK302H Heat Pump requires a minimum clear space of 13m3. This allows for proper operation and airflow, ensuring that your heat pump performs at its best.

So, even if you have limited space indoors, this heat pump with an encased compressor design suitable for compact spaces can fit in perfectly without compromising its efficiency.

Associated Pipe Work and Electrical Installation

Installing the Stiebel Eltron WWK302H Heat Pump involves the following steps:

  1. Position the heat pump in a desired spot.

  2. Ensure proper plumbing work by connecting the appropriate pipe fittings.

  3. Carry out precise electrical connections to ensure optimal functioning of the heat pump.

It is important to ensure that these associated works are carried out accurately during the installation process.

Maximizing Hot Water Heat Pump Efficiency

Aside from providing hot water, the Stiebel Eltron WWK302H Heat Pump brings a multitude of additional benefits. However, to get the most out of this system, there are a few tips and information that can help.

From maintaining and cleaning the filters to sustaining a consistent temperature and configuring the heat pump to a lower setting, these simple steps can maximize its functionality.

Utilizing Off-Peak Power

By programming the Stiebel Eltron WWK302H Heat Pump to run during off-peak hours, you can:

  • Take advantage of periods of lower electricity demand

  • Decrease electricity expenses

  • Reduce pressure on the power grid

  • Improve overall efficiency.

Investing in an energy efficient hot water system is a smart way to save on energy costs while still enjoying the benefits of a reliable hot water supply.

Seasonal Coefficient of Performance (COP)

The efficiency of the Stiebel Eltron WWK302H Heat Pump varies across different seasons. The Seasonal Coefficient of Performance (COP) is a measure of this efficiency, reflecting the system’s varying efficiency throughout the year.

Understanding the COP can help you optimize the usage of your heat pump and achieve greater energy savings.

Cold Climate Operation

The Stiebel Eltron WWK302H Heat Pump is not just designed for mild climates; it’s also built to perform efficiently in cold climates. Thanks to its active defrost function, it can maintain performance even in temperatures as low as minus 5°C, enabling it to deliver hot water all year round, regardless of the weather conditions. In fact, this heat pump cold climates operates seamlessly, ensuring consistent performance.

Technical Specifications and Performance Data

Beyond its sophisticated design and innovative features, the Stiebel Eltron WWK302H Heat Pump boasts impressive technical specifications. Here are the key technical aspects of the WWK302H system:

  • Cylinder capacity: [insert capacity]

  • Refrigerant capacity: [insert capacity]

  • Power consumption: [insert power consumption]

  • Adjustable features: [insert adjustable features]

Cylinder Capacity and Refrigerant Capacity

The Stiebel Eltron WWK302H Heat Pump comes with a cylinder capacity of 302 Litres, which greatly influences the quantity of hot water that can be stored and distributed by the heat pump. It also utilizes R134a refrigerant, with a capacity of 0.85 kg, enhancing the efficiency and performance of the heat pump.

Power Consumption at EN16147 A15

Understanding the power consumption of your heat pump is crucial for efficient usage. The Stiebel Eltron WWK302H Heat Pump has a power consumption of 0.55 kW at EN16147 A15, a standard employed for measuring power consumption to establish a standardized approach for comparing the energy efficiency of various systems.

Adjustable Feet and C Air Flow Rate

The Stiebel Eltron WWK302H Heat Pump is designed for convenience and flexibility, with features like adjustable feet for easy installation and leveling. Additionally, it has a C Air Flow Rate of 550 m3/h, ensuring efficient air circulation for effective heat exchange.

Complementing Your Solar PV System with WWK302H

Not limited to functioning as a standalone system, the Stiebel Eltron WWK302H Heat Pump can also enhance your existing solar PV system. By integrating these two systems, you can create a smart, self-sufficient system that maximizes the use of renewable energy, enhancing the overall system performance.

Energy Efficient Operation Saves Money

The energy efficiency of the Stiebel Eltron WWK302H Heat Pump translates to cost savings. With up to 74% savings on hot water energy consumption, this heat pump is not just an investment in a hot water system; it’s an investment in energy savings too.

Premium Quality Parts for Longevity

With a built-to-last design, the Stiebel Eltron WWK302H Heat Pump is durable. It incorporates premium materials like an enamel-coated steel cylinder which enhances its durability, making it well-suited for use in areas with hard water. It also features corrosion-resistant elements for added longevity.

With minimal maintenance requirements and a maintenance free current impressed system, you can be sure that your heat pump will stand the test of time.

Small Scale Technology Certificates (STCs) and the WWK302H

Apart from providing an energy-efficient solution, the Stiebel Eltron WWK302H Heat Pump also offers potential financial incentives through Small Scale Technology Certificates (STCs). These certificates offer a form of carbon credit that can be redeemed as a rebate following installation, providing an additional benefit for WWK302H owners.

What Are Small Scale Technology Certificates?

Small Scale Technology Certificates (STCs) are a form of carbon credit that signifies the generation or displacement of 1 megawatt-hour of renewable electricity by eligible small-scale systems. They were introduced to encourage the adoption of small-scale renewable technologies and provide incentives for the production of clean energy.

Eligibility and Benefits for WWK302H Owners

Owners of a Stiebel Eltron WWK302H system are eligible to generate STCs. The quantity of STCs is determined by the specific system and its projected electricity generation or displacement over its operational lifespan. These certificates provide an environmental form of currency that can be redeemed as a rebate following installation.


The Stiebel Eltron WWK302H Heat Pump is a perfect example of how technology can revolutionize our daily lives. Its unique heat pump technology, energy efficiency, flexibility of installation, and the potential for financial incentives in the form of STCs make it a worthy consideration for anyone seeking a hot water system. It’s not just about hot water; it’s about embracing a sustainable lifestyle.

Frequently Asked Questions

What is the technology utilized in the Stiebel Eltron WWK302H Heat Pump to achieve optimal performance?

The Stiebel Eltron WWK302H Heat Pump utilizes roll bond condenser technology for optimal heat transfer and includes active defrost technology, ensuring optimal performance.

What are the spatial prerequisites for the indoor installation of the Stiebel Eltron WWK302H heat pump?

To install the Stiebel Eltron WWK302H heat pump indoors, you need a minimum clear space of 13m3. This is an essential requirement for proper installation.

What is the level of energy efficiency exhibited by the Stiebel Eltron WWK302H heat pump?

The Stiebel Eltron WWK302H heat pump exhibits high energy efficiency, potentially saving up to 74% on hot water energy use. This makes it a cost-effective option for heating water.

What are the materials utilized in the construction of the Stiebel Eltron WWK302H heat pump?

The Stiebel Eltron WWK302H heat pump incorporates premium materials, including an enamel-coated steel cylinder, which enhances its durability. This ensures a long-lasting and high-quality construction for reliable performance.

What are the eligibility criteria for Small Scale Technology Certificates for owners of Stiebel Eltron WWK302H?

To be eligible for Small-scale Technology Certificates (STCs) as the owner of a Stiebel Eltron WWK302H heat pump hot water system, you must have installed an eligible system, and the quantity of STCs generated is determined by the specific system in place.

Brand - Stiebel Eltron
Model Number - WWK302H
Volume - 300L
Width - 690mm
Height - 1921mm
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 - 135kg
Energy Source - Solar
Wifi Controller Built in or Compatible - No
Built In Timer - No
LED/LCD Status Indicator - Yes
Coefficient of Performance (COP) - 3.58

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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