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A new tank will not shorten the wait

The most common hot water complaint in this suburb is not that there is none, it is that it takes an age to arrive at a tap up the front of the house.

That is a plumbing layout problem rather than an appliance problem. The bungalow grouped all the wet areas at the back, and the hot water unit went with them. So a front bathroom or a front kitchen tap is a long way from the source, and the water sitting in that pipe has gone cold since it was last used.

What you are waiting for is that cold water to clear. A brand new unit does exactly the same thing, which is why replacing one to fix a slow tap is the most common wasted purchase in this housing, and it is not a cheap mistake.

The genuine options are insulating the run, which helps somewhat, or a recirculation arrangement, which is a real fix and a real piece of work. We will price both honestly and tell you when neither is worth it.

Call 1300 381 569 Book a look

We will say when a new unit won't helpThe most common wasted purchase here
Parts tested before replacementAnode, element, thermostat and valve
Same-day changeoversAcross Five Dock and the peninsula
Licensed plumberNSW Licence 368473C, fully insured

Local hot water guide

Hot water in a Five Dock bungalow

The unit is at the back, with everything else

The bungalow grouped the bathroom, laundry and kitchen at the rear, and the hot water system went where the plumbing already was.

Any outlet toward the front of the house is therefore a long way from the source, by design rather than by accident.

Long runs mean waiting, whatever the unit

The water sitting in a long pipe goes cold between uses, and it has to clear before hot water arrives.

Replacing the tank changes nothing about that distance, which is why it is the wrong purchase for this particular complaint.

What actually helps

Insulating the run reduces how quickly it loses heat, which helps at the margins. Recirculation genuinely solves it and is a real piece of work.

Both are worth pricing honestly. Sometimes the answer is that neither is worth it for one seldom-used tap.

Soft water means anodes, not scale

Sydney's supply is soft, so furring up is rarely what ends a unit. The anode corrodes so the tank does not.

Once the rod is gone the tank becomes what corrodes. Changing it on schedule is cheap and adds years, and almost nobody does.

Moving the unit rarely helps

It usually relocates the long run rather than removing it, because the kitchen and bathroom are still where they always were.

Where an ensuite or second bathroom has been added at the front, the arithmetic can change and it is worth doing properly.

Which system, and what it will and will not fix

Type and size decide most changeovers. Before any of that it is worth being clear about which complaint you are solving, because a slow tap and a cold tank are different problems and only one of them is fixed by buying a system.

Indicative service life. What you get depends on how hard it is worked and whether the anode was ever changed.
System	How it heats	Typical life	Fixes a long wait at a distant tap?
Electric storage	An element heats a tank, often overnight on a controlled load tariff	8 to 12 years	No. The distance is unchanged
Gas storage	A burner under a tank keeps a stored volume hot	8 to 12 years	No. Same distance, same wait
Continuous flow	Gas heats water on demand, nothing is stored	15 to 20 years	No, and be wary of anyone who says it does
Heat pump	Moves heat from the air into the tank rather than making it	10 to 15 years	No. It changes running cost, not layout
Recirculation on the existing system	Keeps hot water moving in the run	n/a	Yes. This is the one that actually addresses it

Sizing it for the household

A starting point rather than a rule. Storage size is about how much you can draw before it runs out, so what matters is how many people want hot water inside the same hour.

Continuous flow is rated in litres per minute instead of capacity, because it stores nothing and cannot run out partway through.
People in the house	Electric storage	Gas storage	Continuous flow
1 to 2	125 to 160 L	90 to 135 L	16 L/min
3 to 4	250 to 315 L	135 to 170 L	20 L/min
5 or more	315 to 400 L	170 L or twin	26 L/min
Second bathroom added	Size up a step	Size up a step	26 L/min

What hot water work costs in Five Dock

Fixed price agreed before we start. These are indicative 2026 ranges. Diagnosing a slow tap, including telling you a new unit will not fix it, is part of the visit.

Diagnose and repair $250 – $650

Element, thermostat, valve or anode. Often the whole job on a newer unit.

Electric storage replacement $1,400 – $2,800

Like for like in the same position, old unit removed and taken away.

Continuous flow $1,900 – $3,500

Never runs out. Will not shorten the wait at a distant tap, and we will say so.

Heat pump from $3,200

Before rebate. The efficient option where there is no gas to the property.

Slow-delivery assessment included

Whether it is the unit or the run, and what would actually change it.

How a hot water call-out runs.

Step 01

Booking a hot water call-out in Five Dock

Which taps, and how old

No hot water at all and a slow tap at the front are different problems with different answers.

Step 02

Testing a hot water system at a Five Dock home

Parts tested properly

Anode, element, thermostat and valve checked before anyone suggests a replacement.

Step 03

Explaining a slow hot water run in a Five Dock bungalow

The honest answer

Including when it is the pipe run and a new unit would change nothing at all.

Step 04

Completed hot water work at a Five Dock property

Repaired or changed over

Same day where we can, tested on completion and the old unit taken away.

Hot water questions.

What Five Dock locals ask us before booking a plumber.

Ask us yours Licensed plumbing van covering Five Dock and the surrounding suburbs

I wait ages for hot water at the front of the house. Is the unit failing?

Usually not, and it is worth understanding before anyone sells you a new one. In a bungalow the hot water unit sits at the back with the rest of the wet areas, because that is where the plumbing was grouped. Any outlet at the front of the house is therefore a long way from it, and everything sitting in that pipe has gone cold since you last used it. You are waiting for the cold water in the line to clear, not for the unit to heat anything. A brand new tank does exactly the same thing.

Can that be fixed?

Sometimes, and honestly sometimes not economically. The real options are insulating the run, which helps a little, or a recirculation arrangement, which is a genuine fix but a piece of work. What we will not do is let you buy a new hot water system in the belief that it will shorten the wait, because it will not. That is the most common wasted purchase in this housing.

Is it worth repairing or replacing the unit itself?

Age decides it. Under about eight years a failure is usually a part: an element, a thermostat or the sacrificial anode. Past twelve you are spending on a tank whose lining is near the end regardless. In between it depends on what has failed and what the tank looks like inside. We test rather than guess and tell you which side of that line you are on before quoting.

Does Sydney water wreck these systems?

Not through scale, which surprises people from harder water areas. Sydney runs soft, so limescale is rarely the cause. What fails is the sacrificial anode, a rod designed to corrode instead of the tank, and once it is used up the tank starts corroding. Replacing it on schedule is cheap and adds years, and hardly anyone has it done.

Should I move the unit closer to the front?

Rarely worth it, and worth pricing before assuming. Moving the unit means moving the connections, the drain and often the power or gas as well, and it usually just relocates the long run rather than removing it, because the kitchen and bathroom are still at the back. Where somebody has added an ensuite or a second bathroom at the front, the arithmetic can change, and that is a conversation worth having properly.

What about continuous flow?

It is a good system and it solves several things, but not the waiting. A continuous flow unit heats on demand and never runs out, which is genuinely useful. It does not shorten the distance between it and a tap, so the cold water sitting in a long run still has to clear first. Anyone telling you otherwise is overselling it.

What does hot water work cost in Five Dock?

Diagnosing and repairing an element, thermostat, valve or anode is $250 to $650. Replacing electric storage in the same position is $1,400 to $2,800. Continuous flow is $1,900 to $3,500 installed. A heat pump starts around $3,200 before rebate. Assessing a slow-to-arrive outlet, and telling you honestly whether a new unit would help, costs nothing extra.

Hot water repairs and
replacement in Five Dock

Get a hot water quote

A new tank will not shorten the wait

Slow hot water at one tap only?

Hot water in a Five Dock bungalow

The unit is at the back, with everything else