26th Dec 2012
What is a tempering valve and will I need one for my hot water system?
A tempering valve is used on domestic hot water systems to mix the hot and cold water so the water coming into your home is not above 50oC. A tempering valve is installed in new homes. It is also required…
Read more19th Dec 2012
What is a sacrificial anode in a hot water system and how often should they be replaced?
Electrolysis occurs in all enamel coated steel storage tanks. Electrolysis causes tanks to corrode. To slow down the corrosion, a sacrificial anode is attached within the tank. The anode attracts the electrolytes more than the tank walls, which means the…
Read more12th Dec 2012
Where should solar panels be positioned?
In Perth, WA the ideal position for solar hot water system panels or solar power panels is facing true north on a 30 degree pitch.
Read more5th Dec 2012
Can I have solar hot water system panels on a flat roof?
It is not advisable to lay solar panels directly on to a flat roof because the drop in the panels’ performance reduces the hot water generated from the sun. If you have a flat roof, mount your solar hot water…
Read more28th Nov 2012
What is the SEDO hot water subsidy?
The West Australian government give a subsidy to gas boosted solar hot water systems with a tank size of at least 250 litres. Air & Water refer to the subsidy as SEDO for ease. SEDO is $500 for natural gas…
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