Gas, electric, heat pump and solar, repaired or replaced same day where we can. We check how the old unit is going to come out before quoting, which in these houses is not a formality.
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Sydney runs soft water, so the scale that destroys tanks elsewhere is not the story here. Nine failures in ten come down to a spent sacrificial anode or a dead element, and both are frequently repairable.
What is local is where the thing is standing. In a postwar Ryde house the unit is still in the position a 1955 floor plan gave it, and decades of renovation went around it rather than moving it.
So we find tanks boxed into laundries that were later extended, tucked behind decks built long afterwards, or in side passages a carport narrowed in the 1980s. None of it mattered until the day the unit needed replacing.
That is why we look at access before quoting rather than on the morning. Getting the old tank out is genuinely part of this job here, and it should be in the price you agreed, not a conversation on the driveway.
Tell us when you ring. It changes what we bring, and it is usually a good argument for getting the tank off the floor altogether.
The unit sits where the original floor plan put it, and every renovation since has gone around it rather than moving it, because moving it was never the priority.
So the location was chosen for a house that no longer exists in the form it was designed for, and it constrains everything about a replacement.
That is the practical starting point on this housing, ahead of which system you would prefer.
If the old tank cannot leave the way it arrived, something may have to come out to let it pass: a door, a section of shelving, occasionally a fence panel.
That is a real part of the work and it should be priced rather than discovered.
A quote given without anybody looking at the access has not priced the job, and it is worth asking whether it has been considered.
A continuous flow unit mounts on a wall, stores nothing, never runs out, and takes back the floor space a cylinder was occupying.
On a postwar house where the tank is wedged into a cupboard designed around it, that is a genuine improvement rather than a lateral move.
The trade is gas supply and an external wall position with the required clearances, and both get checked before anything is ordered.
A storage tank in these houses often runs on a controlled load circuit, heated overnight at a lower rate, and that is a specific electrical arrangement rather than an ordinary outlet.
Moving off it changes what the hot water costs to run, and moving to gas needs a gas supply with capacity for the appliance.
Neither is an obstacle. Both are worth establishing before an appliance is chosen rather than after it is delivered.
Sydney's supply is soft, so limescale rarely finishes a unit. The sacrificial anode corrodes in place of the steel and the tank starts spending itself once it is gone.
Descaling advice written for hard-water regions does not describe a cylinder here at all.
Renewing an anode is inexpensive against a replacement and buys years, and around six or seven years it is the best value item on this page.
The compliance plate carries the date. Under about eight years a failure is usually a part. Past twelve the tank lining is generally the issue and a replacement is honest.
Photograph the plate and send it through before anybody attends. It decides what comes on the van and frequently decides the answer.
Between eight and twelve it depends on the fault, which is why a specific diagnosis matters more than a rule of thumb.
It gives you two signals, and most households ignore both. The first is rusty or greyish hot water while the cold runs clear, which can only be coming from inside the cylinder.
The second is noise on heating. A rumble or a series of knocks usually means sediment on the base with water boiling its way out from underneath it.
One of those is worth investigating. Both at once means planning a replacement rather than waiting for the morning there is no hot water at all.
A tank that empties mid-shower is generally undersized for how the household now behaves rather than faulty, and on a block with two dwellings that is doubly true.
Two households do not stagger their use the way one family does, so the same total demand arrives in a much narrower window.
Describe the actual arrangement when you ask for advice, because that is what the sizing runs on.
A shower draws hot and cold together, so the head sets the rate the cylinder is drawn down at. Fixtures on a postwar house were frequently never changed.
A pair of heads costs a fraction of a hot water system and takes minutes to fit.
If it solves the problem you have saved thousands. If it does not, you have lost almost nothing and you know the issue is genuinely the system.
Water emerging from the body of the cylinder rather than from a fitting on it. That is the steel, and steel does not get patched.
A leak at a valve or a connection is ordinary work and frequently cheap. Confusing the two costs people a great deal.
Isolate it, cut its power or gas, and book the replacement. Waiting adds flooring and plaster to a bill that was only ever going to be a hot water system.
Type and size decide most changeovers. In a postwar house there are two prior questions: whether mains gas reaches the property, and whether the old unit can physically get out of where it is standing. Both are worth settling before anything is ordered.
| System | How it heats | Typical life | Suits a Ryde house when |
|---|---|---|---|
| Electric storage | An element heats a tank, often overnight on a controlled load tariff | 8 to 12 years | There is no mains gas to the street and install cost matters more than running cost |
| Gas storage | A burner under a tank keeps a stored volume hot | 8 to 12 years | Mains gas reaches the property and there is room for a tank plus flue clearances |
| Continuous flow | Gas heats water on demand, nothing is stored | 15 to 20 years | There is gas and wall space, and the old tank's corner is worth reclaiming |
| Heat pump | Moves heat from the air into the tank rather than making it | 10 to 15 years | There is no gas, there is airflow, and the compressor is not under a bedroom window |
| Solar with boost | Roof collectors, with an element or burner covering the gap | 15 to 20 years | The roof has the orientation and the space, and the upfront budget is there |
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, not how many live in the house.
| 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 |
| Plus a second dwelling | Size up a step | Size up a step | 26 L/min, no wait |
Fixed price agreed before we start. These are indicative 2026 ranges. An access assessment is included on any replacement quote, because here that is a real part of the work.
Element, thermostat, valve or anode. Often the whole job on a newer unit.
Like for like in the same position, old unit removed and taken away.
Wall mounted and off the floor entirely. Needs mains gas at the property.
Before rebate. The efficient answer where there is no gas to the house.
How the old unit comes out, established and priced before you approve anything.
Electric storage is what most of these postwar houses were built around, and continuous flow is what most of them move to. These are the makes behind both.
We service and replace these systems as an independent licensed plumber. We are not an agent for, or endorsed by, any of these manufacturers.
Between them those two answers settle whether this is a part or a replacement, and how much work removing the old one becomes.
Anode, element, thermostat and valve checked before anyone recommends replacing a tank that may have years left in it.
Same day wherever we can, with access sorted as part of the quoted job rather than discovered on the driveway.
Run up to temperature, checked for leaks, anything moved for access put back, and the old unit taken away.
Have the age of the unit ready when you call. Anything reasonably recent is usually a part rather than a tank, and we would rather fit the part than sell you something you do not need.
Call 1300 381 569The number that matters is the age, not the symptom. Anything under eight years is usually worth fixing, because thermostats, elements and anodes are all cheap parts. Once a unit is past twelve you would be putting money into a tank whose lining is nearly finished no matter what caused today’s fault. In between, it turns on what has gone and what the inside of the tank looks like once it is open. You will know which before we quote.
Not by furring them up, which catches out anyone who has moved from a hard water part of the country. Our supply is soft. What kills tanks here is the anode rod quietly doing its job until there is none of it left, after which the corrosion has nowhere to go but the tank wall. Swap the rod on schedule and you add years for very little money. Never look at it and one day the tank opens up.
Because it is where a 1955 floor plan put it, and every renovation since has gone around it rather than moved it. In postwar Ryde houses the unit is regularly boxed into a laundry that was later extended, tucked behind a new deck, or sitting in a side passage that a carport narrowed decades after the tank went in. None of that mattered until the day it needs swapping, and then it decides how the job runs.
It can, and we would rather tell you before than surprise you after. If the old tank cannot come out the way it went in, the job may need a section of fence, a gate or a small piece of decking taken off and put back. We look at access and quote it up front. It is also a good argument for a wall-mounted continuous flow unit, which takes up a fraction of the space and solves the problem permanently rather than for one more cycle.
Usually, and it is often the right call in these houses. Where mains gas reaches the property, continuous flow removes the tank entirely, never runs out, and frees up the space the old unit was occupying. Where there is no gas, a heat pump is the efficient option and government rebates generally apply. Straight electric storage stays the cheapest to install and the most expensive to run. What matters is checking the supply before you buy, not after.
Worth checking rather than assuming, particularly in a house that still has some original wiring. Many postwar Ryde homes run their storage tank on a controlled load circuit put in decades ago, and a heat pump or a larger unit has different requirements. We establish what is actually there as part of quoting, and where an electrician is needed we say so plainly rather than discovering it on installation day.
Diagnosing and repairing an element, thermostat, valve or anode runs $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 any rebate. An access assessment is included on any replacement quote, because in these houses getting the old tank out is genuinely part of the job.
Let us know how old it is and where it sits, and whether anything has been built around it since. In these houses that last answer decides how the day goes.
Fixed price agreed first, access included in it, and same-day changeover wherever we can.
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