A1 Hot Water Systems

Gas Hot Water Systems - Done Right

Hot water not so Hot?

With over 10 years experience, A1 Hot Water Systems can make sure you get the right Gas Hot Water System installed at the right price.

Available Sizes: 90L 135L 170L 330L 360L

90L Gas Hot Water Systems

Reduce your gas bills and your carbon footprint at the same time with a Rheem 4 Star 90L gas water heater. It's an easy and more energy efficient replacement for most older gas water heaters. Suitable for households of 1-2 people.

  • Natural gas model
  • Suitable for external use
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Delivered Free*

All of our Hot Water Systems are delivered free from Sydney to the South Coast of NSW. Check our delivery locations Here


Order online and one of our team will call you to arrange a like for like installation or call us and we can help select the right Hot Water System


Not enough Hot Water? Upgrading to Gas? call us now to arrange a quote to upgrade your Hot Water System.

What people are saying...

Michael Mix-Six Ford - Facebook

Great prices, smooth website - I didn't need to call, the hot water system arrived the next day. Very happy

Mcglin Daniel - Facebook

Friendly Customer Service. Ordered early Wednesday morning and they were here Wednesday afternoon installing my new heater.

Bec Danvers

Called first thing this morning and have hot water again by 3pm. The guy on the phone was so helpful and the plumbers were here by midday.