Aquamax 390 Stainless Steel Storage Hot Water
A 390-litre stainless-steel storage system built for longevity — big capacity that resists corrosion and keeps a large household in hot water for years.
The Aquamax 390 up close
The Aquamax 390 is a large-capacity stainless-steel storage system — 390 litres of hot water held in a tank that resists corrosion by design, rather than relying on an enamel lining and a sacrificial anode. That stainless build is the whole point: it's engineered to outlast a standard tank and to shrug off the harder water that chews through conventional cylinders.
At 390 litres it's sized for big households that draw heavily and want a full day's hot water ready — especially on an off-peak tariff, where a large tank heats overnight on cheaper power. For a large family that wants a fit-and-forget tank, the Aquamax 390 is a longevity play. People searching for aquamax 390 price or aquamax 390 installed in Sydney are after exactly this — supplied, installed and serviced.
See also: Aquamax
Why stainless, why 390 litres
What this range is really about.
Corrosion-resistant by design
A stainless tank resists rust without depending on a sacrificial anode, so it typically outlasts a standard enamel-lined cylinder — a strong pick in harder-water areas.
Big 390-litre capacity
A full day's hot water for a large household, ideal on an off-peak tariff where the tank heats overnight on cheaper power.
Fit and forget
Less reliance on anode replacement and a durable build mean fewer worries over its long life — a genuine set-and-forget tank.
Aquamax 390 cost, itemised
Itemised Aquamax 390 Stainless Steel Storage pricing, installed by licensed pros.
The Aquamax 390 Stainless Steel Storage price depends on the size you need and your site, so we quote on what we can see rather than a headline figure. You get it itemised — the unit, the install to code, and any extras shown separately — and we take the old system away.
We supply and install the Aquamax 390 Stainless Steel Storage across Sydney as a come-to-you service. Stainless costs a little more upfront and earns it back in years of service. See the full Aquamax range, or ask us to confirm the right fit.
See also: Aquamax · electric · installation
Who the 390-litre size suits
A guide — we confirm the exact model and size on site.
| Household | Fit | Why |
|---|---|---|
| Large family (5+) | Ideal | 390 L covers a big daily draw |
| Off-peak home | Strong | Large tank heats overnight on cheap power |
| Small household | Over-sized | A smaller stainless tank likely suits better |
See also: electric
Aquamax 390, done the right way
One team from choosing the model to hot water and warranty.
- We confirm 390 L suits your household and tariff before you buy.
- Installed to code with the required valves, old unit removed.
- Aquamax warranty support handled by one team.
- Licensed, insured, and we come to you across Sydney.
Your Aquamax 390 questions
Questions we're asked most about this range.
Why choose a stainless Aquamax 390?
Is 390 litres too big for my home?
Does stainless really last longer?
How long does an Aquamax 390 last?
What does an Aquamax 390 cost installed?
Do you supply and install the Aquamax 390 in Sydney?
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Get a Aquamax 390 Stainless Steel Storage quote
We'll size the right model, supply and install it to code, and service it for years — itemised pricing, Sydney-wide, and we come to you.