Gas Hot Water Systems

Gas Hot Water Systems

Are you planning to install or upgrade a gas hot water system? That’s a smart move.

Gas hot water systems are very popular in Australia, as they’re clean and energy efficient. They’re also easy to maintain and fix.

When considering buying a gas hot water heater, you have the following types: 

Gas Hot Water Heater Tanks

This is the traditional method for domestic gas hot water heating. It involves continuously heating water in a storage tank controlled by a thermostat. Its convenience is that you always get full pressure from your hot water taps and they generally provide households with more than enough hot water.  The outdoor gas hot water tanks have a very little restriction as to where they can be located, except for the flueing not being within 500 mm of a window. However, for internal gas hot water tanks, these require a flue to be directed out of the building, so as to take the emissions outside with it. These gas hot water tanks last on average 10 to 12 years, upon which time, you will need to replace the complete tank. 

The most popular brand of gas hot water tanks is Rheem, being Australian made with its Sydney manufacturing plant. Rheem are the only manufacturers that make both internal & external gas hot water tanks. The internal gas storage tanks are model 800135 (135 Litres) & 800170 (170 Litres). The Rheem external gas tanks are model number 347135 (135 Litres) & 347170 (170 Litres). Rheem also has a 5-star gas storage tank, known as the Rheem Stellar. They come in 2 models, Rheem Stellar 330 – model 850330 (130 Litres) & Rheem Stellar 360 – model 850360 (160 Litres).

Continous flow gas hot water systems

These continuous flow gas hot water systems, also known as instant water heaters, are tankless systems that heat water when required. Being tankless and not storing water, makes them one the most economical water heaters, as they only heat up when they’re needed. Another big advantage of these tankless water heaters is that they are very small & hang on the wall, in contrast to large gas storage tanks, therefore saving space. These instant gas hot water heaters provide the household with immediate hot water, thus making them also often referred to as instantaneous gas water heaters. Although they provide continuous hot water, there can sometimes be a small delay before the water comes out of the taps hot, due to the water passing through the cold pipes in order to get to your taps. The most popular tankless gas water heater is the Rheem 26 with its reliability and superior technology. Other popular tankless gas hot water heaters include the Rinnai B26, Rinnai Infinity, Thermann, Dux & Chromagen.

Recirculating Water Heating Systems

A recirculating system features a pump that keeps water constantly moving through the system. This means you piping hot water on tap at all times, including first thing in the morning. When you run a bath, you don’t have let the cold water to run out first. It’s hot from the start. To optmise its use and keep your bills as low as possible, you can use a timer to control when the unit runs. You can set it to switch on early in the morning, for example, so you have plenty of hot water when you get up.

Solar Gas Boosted Water Heater Systems

Increasingly popular in these eco-friendly times, these use solar power as default with gas supplying back up for cloudy days or if more hot water is needed. Of course, you have to make the initial investment in solar panels. However, these systems offer the benefit of free energy from the sun together with an assured supply of hot water on dark winter days.

When shopping for gas hot water systems, be sure to choose a reputable brand.

Your choice of specific model is determined by your planned usage and various preferences. obviously the larger your family, the higher capacity of storage tank you’ll require. For most homes, a 40-gallon tank is usually ample.

If you’re planning on installing or upgrading a gas water heating system, get in touch with Sydney experts Hot Water System Repairs. We stock leading brands and can offer expert advice to ensure you get your ideal system from the start.

For all your gas hot water systems needs, call Hot Water System Repairs anytime. We’re on call 24/7.

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