Instant hot water, on-demand all the time

Instantaneous hot water systems use electricity or gas to heat your water. They are also known on-demand hot water systems, tankless systems, or continuous flow systems.

Whatever the name you use – your hot water will never run out because this type of system will heat water for you as soon as you need it. Just turn your faucet and your hot water unit will take care of the rest!

These are a popular cost-saving option because you can reduce your bills by only heating water as you need it. Instant hot water systems also take up less space and are perfect for small households and spaces.

At Ritz Plumbing & Electrical, we believe no one should be without hot water. That is why we have a range of products to suit all walks of life – including instant hot water systems.

No one plans to have their hot water system break, so we offer interest-free payment plans and work with you and your budget to find the product and plan that suits your hot water needs and financial situation.

If you need an upgrade and want time to decide which hot water system is best for you, or your unit breaks down at an inconvenient time, and you can’t be home for the full length of the repairs – don’t stress! Our friendly team can put your hot water on life-support with a temporary hot water unit and come back to finish the job when it suits you. We’ll never leave you cold or with a mess!

Browse our selection of instantaneous hot water systems from the leading brands below.

Or better yet, call Ritz Plumbing & Electrical today at 13 74 89 to see if an instant hot water system is the right fit for you and your lifestyle.

Bosch range

Since 1907, Bosch has been helping Australian families like yours. With an emphasis on improving quality of life alongside conversing natural resources, Bosch is one of the most popular hot water system suppliers.

Rheem range

Rheem has been the trusted provider of hot water in millions of Australian houses since manufacturing its first water heater in 1939. With Rheem, you’ll get steady, hot and strong water constantly – it’s their guarantee.

Rinnai range

For nearly 50 years, millions of Australian households have been enjoying the comfort and reliability of Rinnai’s appliances in particular their hot water systems. Rinnai is often a customer’s first choice when it comes to hot water.


STIEBEL ELTRON is dedicated to making residential water heating more efficient. Today, hot water is taken for granted, but STIEBEL ELTRON takes pleasure in designing unique and inventive hot water systems to help you save money on your utility bills.

Wilson Hot Water range

Wilson Hot Water began in 1930 as a manufacturer of low-pressure water heaters for residential use. Wilson's tough design quickly spread, and a variety of industries began knocking on their door. Wilson's reputation for getting the job done was born as a result of the high demand and rapid growth of the company.