Hi a questiop for all those sparkies out there. I am currently considering replacing my gas hot water system with an electric storage system. I have been shopping around and I am getting conflicting information. My question is "Should a storage Hot Water Service use a safety switch in the switchboard". My quotes are quite different with and without the safety switch. thank you.
Last edited by gordonwh40; 22-11-20 at 05:59 AM.
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As of January 1 2019, the new AS3000 comes into effect and among numerous changes, how we (and you) treat hot water circuits from now on is one of them.
If a hot water system is:
- replaced and it had to be relocated in any way
- replaced and the heating element in the new tank is larger than the original (eg. 2.4 k/w to a 3.6 k/w)
- installed with a new circuit
A safety switch, NOT just a circuit breaker is now required to protect the circuit AND an isolator must be installed within “arms reach” of the hot water system.
gulliver (22-11-20),VroomVroom (23-11-20)
Does that mean replacing a HWS in the same place with an identical one you don't need the RCD?
gulliver (23-11-20)
If Australia is a democracy why, then, is voting compulsory?
"What has changed between the arrival of the First Fleet and today?"
"Wearing leg irons is now not required."
gulliver (23-11-20),Uncle Fester (22-11-20)
That just lists the latest changes in effect, you'd need look at previous incantations to get all the HWS history ; they hang heavily of the words 'new installation' ; old, existing installations may be another matter ; I'd imagine they rely on the fact a HWS will eventually fail, and if you have to fit a new unit you're subject to the latest wiring rules. Basically they're now treating the HWS wiring, in the same way the rules are for the electric oven/stove.
Thank you all for that information. I will ensure the electrician who fits the heater fits a safety switch.
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