Gas continuous flow hot water systems, also known as tankless hot water heaters, this style of hot water heater has been gaining in popularity over the past 10 years.
They are great for high density areas as they are extremely compact and provide an endless amount of hot water. Gas instantaneous heaters only heat the water when a hot tap is turned on. Most have electronic or hydro ignition and because the gas isn’t running when not in use and they don’t store hot water, they have up to a 6 star energy efficiency rating.
For such a large purchase you want to ensure that you get the right size gas continuous hot water system to match your needs and be compatible with the dwelling. There are a number of factors to take into consideration including gas pipe size ,gas pressure, number of people residing at the property , size of the property, etc.
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Sizes are rated by how many litres of hot water per minute the system can produce at a temperature raise of around 30 degrees, ranging from 16 to 32 litres per minute. Getting maximum efficiency from this style of water heater has a lot to do with choosing the most suitable model and more importantly, having it installed correctly.