Viessmann Vitocal 161-A DHW – Domestic Hot Water Heat Pump System

Leading European Electric Integrated Hot Water Heat Pump

Product Type: Domestic Hot Water Heat Pump
Intended Use: Domestic Hot Water
Product Application: Domestic Projects

TECHNICAL SPECIFICATIONS:

Cylinder Capacity: 2 Sizes: 200L (Up to 4 people) & 270L (Up to 6 people)
Nominal Heating Capacity: 2.78kW (plus 1.8kW Back-Up Element)
Maximum Efficiency: Industry-leading COP at 4.15 (A 20/15ºC, W 15/55ºC)
Hot Water Production: Up to 75°C
Operating Range: -15°C/43°C
Refrigerant: R290 (GWP=3)
European Brand: German, industry-leading performance since 1917
Control: LCD Touchscreen, WiFi Ready (Vitocal 161-A  app)

HOT WATER REBATES:
Reduce upfront costs with Federal STCs under the Small-scale Renewable Energy Scheme, plus additional state rebate(s) available through State Government schemes. See below for more details.

About the Product: Domestic Hot Water Heat Pump System

Description

The Viessmann Domestic Hot Water Heat Pump range delivers a comprehensive solution for all your residential hot water needs. Viessmann is a German brand with over 100 years experience that you can rely on. This hot water system provides industry-leading performance and reliability, along with its stylish design that sets it apart from traditional heat pumps.

Our Heat pump hot water system is designed to be energy-efficient, saving you money on your utility bills while also reducing your carbon footprint. With Viessmann’s reputation for quality and innovation, you can trust that this hot water system will provide reliable and consistent performance for years to come.

Hot Water for Every Home, Big or Small
Available in 200L (ideal for homes up to 4 people) and 270L (for homes up to 6 people), the Viessmann electric domestic hot water heat pumps are an ideal choice. Whether you are a small family or a big family, with Viessmann you can enjoy a reliable hot water supply that meets all your family needs.

Easy, Convenient Control, Wherever You Are
Enjoy ultimate convenience and control with the Vitocal 161-A integrated WiFi timer and Vitocal Home Control app. From anywhere, you can adjust settings, schedule hot water heating, and monitor performance in real time. This smart system helps you maximise cost efficiency while ensuring your home always has the perfect amount of hot water, all at your fingertips. Experience comfort, savings, and control like never before.

Energy Efficient, Sustainable and Easy to Install
The Vitocal 161-A DHW Heat Pump delivers industry-leading COP at 4.15 (A 20/15ºC, W 15/55ºC), and is a compact unit designed for easy installation and built to withstand Australia’s tough conditions, operating in ambient temperatures from -15°C to 43°C.

It efficiently draws heat from the surrounding air to heat domestic hot water, delivering up to 70% annual energy savings compared to traditional electric storage water heaters. Multiple operating modes for optimal energy consumption and environmentally friendly R290 refrigerant, with low Global Warming Potential (GWP=3), the Viessmann domestic hot water heat pump provides a reliable, efficient and sustainable choice in DHW heat pumps.

Vitocal 161-A Heat pump hot water system also features a whisper-quiet fan design, making it ideal for residential settings. With a compact design, the Vitocal 161-A is an installer’s dream, providing ease of installation and maintentance. This unit is a convenient and cost-effective solution for reducing energy consumption and lowering utility bills.

Warranty & Care Program
You can install the Vitocal 161-A DHW Heat Pump with confidence, knowing you are backed by Viessmann’s and Next Cycle’s commitment to quality and long-term support. This product is covered by a 7-Year tank warranty and a 5-Year warranty for all other parts and labour. For more information, go to our Warranty & Care Program page.

Heat pump hot water systems are known for their energy efficiency and environmental benefits, making the Vitocal 161-A a sustainable choice for heating water in residential homes. Additionally, Next Cycle offers a comprehensive care program to ensure the longevity and performance of your heat pump system.

Want More Information on this Product
Please contact us or download the Product Flyer below for more details.

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Government Rebates Available

Save money on your upfront costs with Viessmann heat pumps.

Hot Water Heat Pumps Government Rebates Map

 

This product qualifies for federal STCs under the Small-scale Renewable Energy Scheme. Additional state rebate(s) can be added to the STCs possible to further reducing your upfront costs based on your location. State rebate schemes include, Victoria Hot Water Rebate, Victoria Energy Upgrade, Solar Victoria Hot Water Rebates, NSW Energy Savings Scheme (ESS), Queensland Smart Energy Savers Rebate and Queensland Business Energy Saving and Transformation Rebate.

Find out more here.

Technical Features

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Domestic Hot Water

Up to 75°C hot water production. Highly efficient for domestic hot water. (Designed to meet VEU requirements by automatically reverting to a 55°C setpoint after a set period).

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10 Amp Plug

Simply plug the system into 10-amp power outlet.

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Government Rebates Available

Federal and State Rebates are available for this model. See above for more information.

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7-Year Warranty*

Peace of mind is guaranteed with our 7-Year Tank Warranty and 5-Year Parts & Labour Warranty. *Terms and conditions apply.  Contact us for more details.

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Easy Control

Ultimate convenience and control with WiFi Timer and Mobile App.

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German Designed & Engineered

Industry-leading, German brand with over 100-years experience that your can rely on.

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Maintenance Free

Greater durability provided by the combination of electric + sacrificial anode.

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Reliable, Quick Heat Up Function

The built-in electric element ensures a reliable hot water supply.

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Energy Saving Operating Modes

Multiple operating modes for optimal energy consumption.

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Suitable for All Australian Climates

Ambient operating temperature ranges from -15ºC to 43ºC.

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Easy Use

Innovative touch screen colour control system.

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Easy Installation

Designed for easy installation to suit all Australian climates and conditions.

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Quiet Operation

Designed for quiet operation with 43dB.

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Defrost Function

Defrost function is built in for cold climates.

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What makes the Viessmann R290 Hot Water Heat Pump stand out from the competition?

See how the German brand with over 100-years of experience compares to other products.

Noise Level
Our Product
43 dB(A)
Comparable Products
46 - 53dB(A)
Operating Range
Our Product
-15°C to +43°C
Comparable Products
-6°C to +43°C
Longer Durability
Our Product
Electric + Sacrificial Anode
Comparable Products
Sacrificial Anode only
These comparisons are based on information obtained from the benchmarked brands’ websites as of 28 January 2026, with a focus on the 200L model.

Customer Reviews

Frequently Asked Questions

Can I replace a gas or electric hot water heater with an R290 DHW heat pump?

Yes, R290 DHW heat pumps are a good choice to replace gas or electric hot water heaters. The Viessmann R290 DHW heat pump is up to 70% more efficient than electric water heaters.

What are the benefits of R290 Refrigerant?
What is a DHW heat pump?
Is this product energy-efficient?
Does this product qualify for government rebates?
I live in a cold climate, will this heat pump still work efficiently at low outdoor temperatures?
I live in a hot climate, will this heat pump still work efficiently at low outdoor temperatures?
Can I control this product with a mobile app?
What is the warranty for this product?
How do I know which size of heat pump to select to meet my needs?
Many heat pumps are noisy, is this heat pump noisy?
How long do domestic hot water heat pumps last?

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