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So why hasn’t it been tripping already?
240x30=7.2kw.
Do you do 240 or 230? Either way it doesn’t add up.
Hefty-
Maybe we've never run it hot enough to trip or maybe the 30A wiring is wrong, maybe it's 32A or something so it's borderline? Either way, there's no way I'm gonna put in the 9.5kw unit unless Mr Sparky has upgraded the wiring.
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It's only using maximum current for a short period of time when the shower starts and breakers generally allow a little overcurrent before tripping. It's also possible that the 8.5kw figure has a bit of marketing guff involved.
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The breaker has NSB32 written on it. 32A? Or just a model number?
hippy
Airhead
ShowerDoc sent me 9.5kw tank for my shower, which currently has an 8.5kw tank, so much for their specifications. Now gotta get a sparky in to upgrade the existing 30A wiring to eleventy billion Amps and maybe this new tank thing will work. Yay for upgrades!