Licensed Thermann Plumbers in Sydney

Thermann Hot Water Systems

Supplied, installed, repaired and replaced by licensed Sydney plumbers.

Thermann is the hot water brand backed by Reece, with Australian made storage tanks and 6 star continuous flow units. We supply the full range and install it properly, so your home or business gets reliable hot water without the guesswork.

  • Over 20 years in hot water
  • Licence 306733C
  • Electric, gas & continuous flow
  • Sydney wide
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Thermann Electric Hwu 10yr SE 400l 3.6kw

$1,999.00

The Australian made Thermann Electric Storage hot water systems heat water in an insulated tank by an electric element, like a giant kettle. They’re quick and easy to install and are available in a wide range of sizes to suit your needs making them an affordable way to get your hot water now.

  • Australian Made Tanks
  • Electric footprint identical – easy changeover
  • Dual Handed water connections
  • Manufactured using state of the art machinery
  • Hard water element options are also available
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Thermann Electric Hwu 10yr SE 80l 3.6kw

$1,185.00

The Australian made Thermann Electric Storage hot water systems heat water in an insulated tank by an electric element, like a giant kettle. They’re quick and easy to install and are available in a wide range of sizes to suit your needs making them an affordable way to get your hot water now.

  • Australian Made Tanks
  • Electric footprint identical – easy changeover
  • Dual Handed water connections
  • Manufactured using state of the art machinery
  • Hard water element options are also available
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Thermann Small Elec Hwu SE 25l 3.6kw

$650.00

Thermann Small Electric hot water systems allow you to install hot water where space and access is restrictive. With its ‘V Fit’ configuration, inlets and outlets are configured for ease of installation.

  • Available in 'appliance white' for a more aesthetically pleasing unit
  • Manufactured using state of the art machinery
  • Dual handed water connections
  • 2.4kW systems come standard with GPO (plug-in) connection.
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Thermann Small Elec Hwu SE 50l 3.6kw

$760.00

Thermann Small Electric hot water systems allow you to install hot water where space and access is restrictive. With its ‘V Fit’ configuration, inlets and outlets are configured for ease of installation.

  • Available in 'appliance white' for a more aesthetically pleasing unit
  • Manufactured using state of the art machinery
  • Dual handed water connections
  • 2.4kW systems come standard with GPO (plug-in) connection.
Add to wishlist
Select options
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Why Thermann

Thermann hot water, supplied and installed in Sydney

Thermann is a practical, well priced hot water brand built for Australian homes and businesses. The storage tanks are Australian made, the continuous flow units are 6 star energy efficient, and the whole range is backed by Reece, so parts and support are easy to get for years to come.

As licensed Thermann plumbers in Sydney, we do more than drop a box on your wall. We help you pick the right model for your household, install it to code, and are here later if it ever needs a service. Whether you are replacing a failed unit today or planning an upgrade, we make the Thermann hot water system price clear before any work starts.

  • 20+Years in hot water
  • 6 star Continuous flow efficiency
  • 12 yr Continuous flow warranty
  • Sydney Wide service area
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The range

Shop the Thermann hot water system range

Ready to buy a Thermann hot water system in Sydney? Browse electric, gas and continuous flow models below. Every price is supply only from our store, and we can quote supply and install after a quick check of your site.

View all Thermann hot water systems in the store, or call us and we will match you to the right model.

Choose your type

Electric, gas and continuous flow Thermann

The right choice depends on your energy connection, your space, and how much hot water your household uses at once. Here is how the three Thermann types compare.

Thermann electric hot water system

A Thermann electric hot water system heats water in an insulated, Australian made tank using an electric element. It is the simplest and cheapest to install, works anywhere there is power, and suits homes on off peak tariffs or with solar PV. Sizes run from a 25L under sink unit up to 315L for large families.

Thermann gas hot water system

A Thermann gas hot water system uses natural gas to heat a storage tank, so it recovers quickly after a big draw and keeps running during a power outage. Gas storage suits homes with an existing gas connection and steady, predictable demand. We stock 135L and 170L models.

Thermann continuous flow hot water system

A Thermann continuous flow hot water system heats water only as you use it, so you never run out and you are not paying to keep a tank hot. These 6 star units are compact, wall mounted and ideal where space is tight. Available in 16L, 20L and 26L, natural gas or LPG.

Honest pricing

Thermann Hot Water System Prices in Sydney

The Thermann hot water system prices below are the supply only figures from our store. Your final Thermann hot water system price for a full supply and install job depends on your existing setup, which we confirm before we start, never as a surprise at the end.

ModelTypeBest forSupply price from
Thermann 25L ElectricElectric storageSingle outlet, small kitchen$490
Thermann 125L ElectricElectric storage1 to 2 person home$1,299
Thermann 4 Star 135L GasGas storageHome with gas connection$1,399
Thermann 6 Star 20L FlowContinuous flow1 to 2 bathrooms$1,699
Thermann 6 Star 26L FlowContinuous flow2 to 3 bathrooms$1,405

A supply and install quote adds fitting, connection and removal of your old unit. In NSW a tempering valve is a legal requirement on most installs to limit water temperature at the tap, which can add a small parts and labour cost, and we will always tell you up front if your job needs one. If you are moving to an efficient heat pump or solar model later, you may be eligible for a discount through the NSW Government hot water upgrade incentive, and you can compare running costs on the Australian Government energy.gov.au hot water guide.

Supply, install and beyond

Thermann hot water installation, replacement and repairs

We handle the full job. Thermann hot water installation for a brand new unit, fast Thermann hot water replacement when an old system fails, and straightforward advice when you are weighing up repair against replacement.

Installation

Licensed Thermann hot water installation for new builds, renovations and upgrades. We size the unit to your home, install to code, and fit the required safety valves so it passes and lasts.

Replacement

When a unit fails you want hot water back today. We carry common Thermann sizes and can often complete a same day Thermann hot water replacement, taking the old system away with us.

Repairs

Minor faults are sometimes worth fixing. For Thermann hot water repairs and servicing on an existing unit, see our dedicated Thermann hot water service page.

All work is carried out by licensed plumbers, which matters for safety, warranty and compliance. You can confirm any tradesperson holds a current licence, and read the rules that apply to your job, through NSW Government guidance on choosing a licensed installer.

Straight advice

Which Thermann is right for your home?

Get the size and type right and a Thermann will run quietly in the background for years. Get it wrong and you either run out of hot water or pay to heat water you never use.

Match the size to the household

As a rough guide, a couple is well served by a smaller unit while a busy family of four or more needs a larger tank or a 26L continuous flow. We size it to your real usage, not a guess.

Consider your space

Continuous flow units are slim and wall mounted for tight spots, while storage tanks need floor room. We check access before we recommend anything.

Work with your energy source

Gas connected homes often suit continuous flow or gas storage, while all electric homes suit electric storage, especially with solar. We work with what you already have.

Repair or replace, honestly

If your current unit is young and the fault is minor, a repair may be the smart call. If it is old, leaking or rusted, replacement usually costs less over time. We tell you straight.

For an independent view on choosing and sizing a system, the Australian Government YourHome hot water systems guide is a genuinely useful read before you decide.

Answers, straight up

Thermann hot water FAQs

Who makes Thermann hot water systems?

Thermann is the house brand of Reece, Australia's largest plumbing supplier, and has been sold here since 2012. The storage tanks are Australian made and the range is supported by Reece nationwide, which makes parts and service easy to get for the life of the unit.

Are Thermann hot water systems good?

Yes, for most homes they are a solid, well priced choice. The continuous flow units are 6 star energy efficient with a 12 year warranty on the heat exchanger, and the electric tanks are Australian made. As with any brand, the install matters as much as the unit, which is why we fit them to code.

How much does a Thermann hot water system cost?

Supply prices in our store start around $490 for a small 25L electric unit and run to roughly $1,800 for a large gas storage or high flow continuous flow model. A full supply and install price adds fitting, connection, any required valves and removal of the old unit, which we confirm on site before starting.

How long do Thermann hot water systems last?

With normal use and occasional servicing, most hot water systems last around 10 to 15 years. Thermann continuous flow units carry a 12 year heat exchanger warranty and the electric tanks come with a long cylinder warranty. Water quality, usage and maintenance all affect real world lifespan.

What size Thermann hot water system do I need?

It depends on how many people use hot water and when. As a rough guide, a couple suits a smaller storage tank or a 16L to 20L continuous flow, while a family of four or more suits a larger tank or a 26L continuous flow. We size it to your actual usage so you neither run out nor overpay.

Do I need a tempering valve with a Thermann system?

In NSW a tempering valve is a legal requirement on most hot water installs. It limits the water temperature delivered to bathroom and hand basin outlets to help prevent scalding. If your job needs one, we tell you up front and include it in the quote rather than adding it as a surprise.

What are the signs your hot water system needs repair or replacement?

Common warning signs are no hot water at all, water that runs out too quickly, rusty or discoloured water, leaks or pooling around the unit, banging or knocking noises, and hot water that will not hold a steady temperature. If you notice any of these, it is worth booking a check before it fails completely.

Can you replace my old Thermann on the same day?

Often yes. We carry common Thermann electric, gas and continuous flow sizes, so a straightforward like for like Thermann hot water replacement can frequently be done the same day. Call us with your model and situation and we will tell you honestly what is possible.

Get the right Thermann, installed properly

Tell us what your home needs, or what your old unit is doing. We will recommend the right Thermann, give you a clear price, and get your hot water sorted.