An old part, a fault with the electrics or gas supply, a tank on the leak or temperature control gone awry will typically be to blame when a hot water system in a Melbourne residence fails. There are some basics a resident can put to the test without risk if there is no hot water, though one should not tarry with a licensed plumber where there is exposed wiring, an active leak, scalding water or anything to do with gas.
I am Seren Cox and I have come to understand that household trouble seldom comes at a time of day to suit you. It is annoying to find your hot shower has given out before work, and a tank leaking all over the laundry floor is Tuesday drama of the worst kind. What follows is a guide to the sort of problems Melbourne households encounter with their hot water systems, how much a repair might set one back and the case for replacing it altogether.
Spot The Warning Signs Early
Before a system ceases to function entirely there are often small tell tale signs. To head off the kind of plumbing emergency that is all too common on a cold morning in Melbourne one should be attuned to them so as not to be left with a cold shower. Learn more about frequent plumbing emergencies Melbourne residences may face.
There may be a heating element, pilot light, pressure relief valve or thermostat giving way even in a system that still puts out some hot water. Keep an eye on the unit for dampness and odd noises as well as any variation in the temperature of the water.
Faults You Will Come Across
A tempering valve that is damaged, an undersized storage tank or a bad thermostat will show up as uneven water temperatures. Should the volume of hot water take a nosedive it could be sediment, minerals or rust within the tank.
- The hot water is gone from every tap.
- One minute the water is hot, the next it is cold for no apparent reason.
- Rumbling, hissing or popping coming from the tank.
- Water collecting at the foot of the unit.
- Water from the hot taps with a tinge of rust.
- Repeatedly tripping circuit breakers.
- A weak pilot light, ignition failure or the smell of gas.
Do not be put off by a puddle that seems innocuous. With mains pressure forcing water through a section of the cylinder that has corroded inside, a leak in the tank has a way of getting worse in a hurry.
The Reasons Behind Failure
You will find older electric and gas units, heat pumps and instantaneous systems in Melbourne homes. They all have their own way of failing and making the right call on the diagnosis is a matter of the model, how long it has been in place and its maintenance record.
Then there is the hard water and mineral content which can lead to scale, though this is more a matter of the individual property and suburb than any citywide rule. And in the winter a marginal system is only going to seem worse for the increased use.
Wear And Tear
Efficiency in the heating elements wanes with time. A seal will perish, a relief valve weaken and internal rust can form on the tank. While 8 to 12 years is the norm for a storage system’s service life, the quality of the install and the water can alter that.
People are sometimes taken aback to discover an old system is costing them to run even as it keeps working. A repair will put the hot water back but if the tank is corroded and components are on the skids, replacement is better value.
Demand And Installation
If the hot water is down in a new home it could be a commissioning issue, not a broken system. See if the isolation switch is on, if the system is properly filled and whether the gas or electricity has been put in. Do not go opening panels or messing with gas connections.
And then there is the demand of the household. A number of adults will drain a small tank in short order and while nothing is wrong with the parts, the system is not up to the job.
A Word Of Caution
To make sure there is not a simple cause for the hot water not being available a quick check of the basics is in order. It also spares the plumber some questions and you from having to act the part of an apprentice electrician.
Stay away from any equipment that is leaking or wet and electrical areas. If the problem is with the wiring or gas, or the breaker will not stay on, leave it and get someone in.
What to check
- See if the neighbours have the same issue and if other taps are cold.
- Have a look at the switchboard for a blown fuse or a breaker that has tripped.
- Make sure the hot water isolation switch has not been put off.
- Have a look at the gas supply and pilot light for any irregularities without taking off the covers.
- Examine the cylinder and valves for water, rust or evidence of a leak.
- Make note of the onset of the fault and if the water has been intermittent or run too hot or cold.
Should a circuit breaker trip after you have reset it, do not make further attempts; leave it off. Resetting it over and over will only put an electrical fault out of sight and heighten the chance of damage. Under no circumstances is one to bypass a breaker or put in a fuse of the wrong rating.
Gas And Electric Faults: A Comparison
Both systems are dependable for hot water but their indications of trouble differ. Familiarity with what to expect will allow for a clear description of the problem in booking a repair in Melbourne. Internal work on either is not something for the do-it-yourselfer; an electrician or a plumbing professional with the right licence is needed for electrical repairs, as is a licensed person for anything involving gas.
Internal work on either is not something for the do-it-yourselfer; an electrician or a plumbing professional with the right licence is needed for electrical repairs, as is a licensed person for anything involving gas.
Problems with the Electric System
Heating element and thermostat faults are not uncommon. An element short or bad wiring will be signalled by a tripped breaker. One might also have heating cut off by a blown fuse, though putting in a new one does nothing to resolve the underlying issue.
Homeowners are often at a loss with peak and off-peak settings; the system may only heat at certain times. The timing of the complaint is therefore relevant. Should the hot water come back in an odd pattern, have a professional look into the tariff connection and controls.
With Gas
A blocked burner, ventilation or gas-supply issue, an ignition or pilot light fault can bring a gas system down. Relighting a pilot that will not hold is not always straightforward.
In the event of a gas smell, shut the appliance off provided it is safe, stay away from any flames or switches and put in a call to your emergency service or a licensed professional. Put some air in the room if you can and do not persist in trying to get the appliance to ignite.
Addressing Heat and Leaks
These should be dealt with in a timely manner to prevent scalding (a particular hazard for those with restricted mobility, the elderly and children) and to spare your belongings, cabinets and floors from harm.
The pressure relief valve is a safety device, not a handy way to empty the laundry; while it will let some water out in the course of things, a steady flow or discharge from the tank body calls for an assessment.
Diagnosing a Tank Leak
Water coming from a pipe or valve is often fixable but if it is the tank itself, there is likely corrosion or the internal lining has given way and replacement is the better option.
Shut off the energy and water to the unit where it is safe and contain the water with a bucket or towels. In a Melbourne townhouse or apartment utility cupboard access is apt to be difficult so put a path in order and find the isolation points for the plumber. If the leak is ongoing put in for same-day service.
Risks of Temperature and Pressure
Barely warm water could be an undersized tank, a setting error, interrupted supply or a dead heating element. Water running excessively hot is a tell-tale of a control, tempering valve or thermostat going wrong. It is a burn risk, not a system “working brilliantly”, so leave the safety controls alone. A licensed plumber will put the outlet temperature, pressure and valve through their paces.
When Urgency Is Warranted
Some faults are not to be put off until Monday even if they do not warrant an emergency call-out. The best course is to assess the potential for injury, fire or exposure to gas and water damage rather than just the temperature of the shower.
If the system is leaking, the electrics are involved, there is a gas issue or the water is dangerously hot then an emergency service in Melbourne is called for.
- Keep children and others at a distance from the unit.
- Only turn off the water or energy if there is no danger in doing so.
- Do not handle wet equipment or remove any covers.
- Get in touch with a licensed plumber or relevant emergency service.
- Photograph the damage and put down the time of failure for the insurance or rental file.
There is no rush for a standard booking if there is a simple loss of heating and no leak or other peril. But in winter one should factor in extra time for a same-day slot as plenty of households will be finding their systems have broken down.
Estimate of Costs for a Melbourne Repair
The cost of a hot water repair to Melbourne households is a matter of the system type, what has gone wrong, access and parts, as well as the time of day. The following are rounded figures in Australian dollars for budgeting purposes and should not be taken as a quote.
It is worth inquiring if the price covers diagnosis, labour, parts, disposal, after-hours loading and any work that may follow. An inexpensive call out can turn costly when one comes across an exclusion that was not made clear at first.
| Work Type | Indicative Cost | What Changes The Price |
|---|---|---|
| Basic diagnosis or minor adjustment | $150-300 | Access, timing and travel |
| Thermostat, valve or small component | $250-600 | Model of system and part availability |
| Heating element replacement | $350-800 | Tank design, electrical access |
| Urgent or after-hours attendance | $250-700 before repairs | Severity, location and time |
| Storage system replacement | $1,500-4,000+ | Compliance, energy type, capacity and installation |
One can use these ranges to make a comparison but they are not meant to put pressure on to replace something that is still repairable. Should the tank be rusted, leaking or nigh on done with its service life, then request a quote from a hot water system replacement Melbourne specialist as well as a repair figure.
Apartment Repair Responsibility
With hot water in an apartment building the issue could be your own appliance, shared infrastructure or down to the Owners Corporation. It is not always plain to see who is responsible, especially where a unit is in a common utility space or a central plant is serving more than one dwelling.
Put the fault in writing and have a look at your lease, plan of subdivision and the rules of the building; take some photographs. For a rental there are procedures and rights in respect of urgent repairs, Victoria’s rental repairs guidance will set out the obligations and how to report them.
Private Or Shared Equipment
The terms of the lease and building arrangements will dictate if a cylinder in your apartment is your concern. A problem with a central boiler or pipework in the plant room is for the Owners Corporation, building manager or rental provider to handle.
Written approval is needed before authorising anything expensive on shared equipment. Make sure the technician is aware of any concierge protocol, lift bookings, parking restrictions and locked cupboards so he can get to the plant room; otherwise a five-minute job can drag on.
Prevent Another Cold Shower
There is a certain tedium to prevention, which is what makes it effective. Some sensible maintenance and a quick inspection will show you a leak or a valve giving way before the house is damaged.
Melbourne weather is not to blame for every fault but a cold morning makes failure all the more of an inconvenience. Do your checks before winter sets in or after any renovations, and when the water temperature seems to have a mind of its own.
Practical Maintenance Habits
Do not obstruct ventilation or paint over warning labels. Note when it was installed and look for dampness, keep the area around the unit uncluttered. Put in for professional servicing of gas appliances and do not put off investigating odd noises until the system has given up entirely.
If a replacement is on the cards, factor in running costs, household demand, energy source, storage capacity and where it is to be put. The unit with the lowest purchase price is not of necessity the least expensive to own.
Frequently Asked Questions
What Is The Most Common Cause Of Problems In A Hot Water Heating System?
In practice it is wear on the components for many systems. Seals, valves, thermostats and heating elements will deteriorate. Then you have sediment and mineral deposits to reduce performance. But you cannot tell the exact cause without testing since different faults can present the same way.
How Many Years Should A Hot Water System Last?
Plan for 8 to 12 years with a storage system as a rule of thumb, though no fixed statistical lifespan is guaranteed. It is a question of the system type, the water, how well it was installed and maintained and the demands placed on it. A tank with advanced corrosion or a leak will have to go sooner.
My New House Has Hot Water That Is Not Working. What Can I Do?
Have a look at the handover details and the switchboard and gas supply (no need to open covers) and the isolation switch. See if the tank has been properly filled and the system commissioned. Get in touch with the builder or installer or the utility concerned and put the fault on record in writing.
What Are The Current Water Issues In Melbourne?
You will not find a hot water problem that is universal in Melbourne. What plagues a household is generally the age of the system, the plumbing, pressure, water conditions or the like. An unusual odour, colour or taste, or a wider supply issue should be reported to the water provider rather than being put down to the hot water unit.
Should I Repair Or Replace My Unit?
If the system is of recent vintage with nothing more than a failed component and no tank corrosion, a repair is in order. When the tank is leaking, internal rust is bad, multiple parts have let go or the cost of repair is comparable to putting in a new one, think hard about replacement. Have a written comparison to hand before making up your mind.
For the hot water system failures Melbourne residents encounter the answer is a calm and expeditious triage: put people first, isolate any danger, note the symptoms and put in a call to a licensed professional. It is a good way to avoid a larger bill, a wet floor and a morning in which even the coffee is cold.
