thermann Gas Storage Hot Water Systems



Committed to Delivering the Ultimate Hot Water Experience!

Precision engineered for efficiency and long life, Thermann is setting new standards for hot water systems in Australia. Packed with innovative features and proven technology, Thermann delivers the ultimate hot water experience every day. What’s more, Thermann is committed to total customer care, so you’ll enjoy market-leading warranties and full after sales support for many years to come.

Perfect for any family, the Gas Storage hot water system has an adjustable thermostat, allowing you to be in control of your operating costs and performance. With a 7 year quality guarantee on the cylinder and a 1 year quality guarantee on parts and labour, you can be assured that you are purchasing the right unit for you!

Thermann 4 Star 170L Gas Storage

Model: 170THMB4N
170L/(316L First Hour Capacity)

7 Year Warranty*
Natural Gas
4-5 People
$2070.00 Supply and Installed

Thermann 4 Star 135L Gas Storage

Model: 135THMB4N/135THMB4P
135L/(265L First Hour Capacity)

7 Year Warranty*
Natural Gas and LPG
3-4 People
$1940.00 Supply and Installed


Looking for a local Tradie?
Hewitt Trade Services is here to help!


Looking for a local Tradie?
Hewitt Trade Services is here to help!


Why Choose Thermann?

Thermann Know Hot Water

Over the journey, Thermann have learnt a great deal about what plumbers and customers want in hot water systems. Everything they do is designed to make it easier for you to choose the right system, install that system and service that system.

Thermann Are All About Reliability

At Thermann, they know just how important hot water is to the smooth functioning of your home. Reliability is everything. When you choose Thermann, you’re getting precision-engineered equipment made with the best components and materials. Every one of their hot water units is made for Australian conditions.

Thermann Go The Extra Mile

Thermann take a total approach to support. They offer market-leading warranties as well as comprehensive after sales care. They’re 100% committed to the satisfaction of their customers. So in the unlikely event something does go wrong, you can be certain the issue will be fixed as fast as possible.

Thermann Believe in Quality

Thermann’s hot water units have been developed to ensure they are the best quality on the market. They have taken great care to design systems and integrate robust technologies that deliver absolute performance. All of their products go through rigorous testing to ensure you’ll enjoy perfect hot water, every day.

Thermann Are Forward Thinking

New hot water technologies are emerging all the time. At Thermann, they’re continually looking for the best hot water solutions. They integrate the latest innovative features into their products to make it easier for you to run your household and enjoy life. You can be certain you will get a system that offers ‘best in class’ efficiency.

Hewitt Trade Services have lots of special offers on various products all year round. Check out our current offers!

Please note: Pricing is for a straight swap over only at the current location where the existing system meets all current standards & regulations. Prices include a 15mm non-return isolating valve, approved base, 15mm cold water expansion valve, 15mm tempering valve, pressure limiting valve, lagging as required, up to 3m of drain line to a permitted point of discharge, QBCC form 4 & gas system compliance certificate & plate.

Extras may include: relocation of the system, 20mm pipework & valves, additional drain line length, upgrade or extension to the gas main or installation of a rubble pit.