You turn on the shower.
Cold.
You wait.
Still cold.
You crank the tap further.
Still cold.
At this point, the hot water system is clearly having a day off.
A no hot water emergency is one of those problems you usually discover at exactly the wrong time. Before work, before school, when guests are staying, or halfway through washing your hair.
Before the household starts turning on each other, there are a few things worth checking.
Is No Hot Water Actually an Emergency?
Sometimes yes.
Losing hot water is annoying, but it can become urgent if:
- You have young children
- Someone in the home is elderly
- A person has medical or mobility needs
- The system is leaking
- There is a burning smell
- The power keeps tripping
- You hear strange noises
- Water is near electrical components
- You rely on hot water for essential household needs
If the system has simply stopped heating, it may not be dangerous.
If it is leaking, sparking, tripping power or smelling like something is cooking that shouldn’t be, call for help.
First Check: Do You Still Have Cold Water?
Before blaming the hot water system, turn on a cold tap.
If cold water is running normally, your water supply is probably fine and the problem is likely with the hot water system itself.
Good news: at least the taps still work.
Bad news: your shower is still freezing.
Has the Power Tripped?
If you have an electric hot water system, check whether a breaker or safety switch has tripped.
You can visually check the switchboard.
If a breaker has tripped once, that may be the issue.
If it keeps tripping every time you reset it, stop.
A breaker that keeps turning itself off is not being dramatic, it is usually doing its job. This can be caused by:
- Faulty heating element
- Electrical fault
- Damaged wiring
- Water getting into electrical components
- Thermostat issue
- Failing hot water system
If the circuit keeps tripping, stop playing switchboard whack-a-mole and call an electrician.

Is the Hot Water System Leaking?
A leaking hot water system can go from annoying to expensive pretty quickly.
Check for:
- Water around the base of the unit
- Constant dripping
- Water running from pipework
- Wet flooring
- Rust or corrosion
- Water spreading into nearby areas
A tiny discharge from some valves can be normal.
A puddle large enough to attract ducks is not.
If water is escaping quickly or threatening the property, get it checked urgently.

What If the Water Is Only Lukewarm?
Sometimes the hot water system has not completely given up.
It has just decided that “warm-ish” is good enough. No it’s not.
Hot water that suddenly turns lukewarm can point to:
- A failing heating element
- Thermostat problems
- Gas supply issues
- A fault inside the unit
- An ageing system
- A system struggling to keep up with household demand
If it worked fine before, then there is usually a reason why.
What If You Have a Gas Hot Water System?
If your system runs on gas, no hot water can be caused by:
- Gas supply issues
- Ignition problems
- Pilot light problems
- Faulty components
- Internal system faults
If you smell gas, do not try to fix it yourself.
This is not the time to channel your inner handyman.
Move away from the area and call a licensed professional.
Why Does the Hot Water Keep Cutting Out?
Intermittent hot water is almost worse than none at all.
One minute the shower is fine.
The next, you are suddenly doing an involuntary cold-water challenge.
Possible causes include:
- Electrical faults
- Gas ignition issues
- Temperature control problems
- Failing components
- Water flow issues
- An ageing system
If it keeps happening, get the system checked rather than accepting surprise cold showers as a personality-building exercise.
Is the System Making Strange Noises?
Hot water systems can make some noise, but new or unusual sounds are worth paying attention to. You might be hearing…
- Banging
- Popping
- Rumbling
- Hissing
- Clicking
- Unusual electrical noises
Some noises may be harmless.
Others can point to sediment, pressure problems or failing components.
If the system has suddenly become noisy and stopped heating properly, that is a pretty strong hint it wants attention.
Burning Smell? Stop Using It
If you smell burning plastic or something electrical, stop using the system. Watch for:
- Burning smell
- Smoke
- Scorch marks
- Unusual heat
- Repeated power trips
Do not remove covers or start poking around inside.
That is how a hot water problem turns into a much more exciting electrical problem.
Can You Fix It Yourself?
There are a few simple checks you can safely make.
You can check:
- Whether cold water is still working
- Whether the whole property is affected
- Whether a breaker has tripped
- Whether the system is leaking
- Whether there are obvious warning signs
What you should not do is start dismantling the system.
Avoid:
- Removing electrical covers
- Repairing wiring
- Pulling apart gas components
- Forcing valves
- Opening the unit
- Attempting repairs you are not qualified to do
YouTube confidence is not the same thing as a trade licence.
When Should You Call for Emergency Hot Water Repairs?
Call for urgent help if:
- You have no hot water and the system has failed completely
- The unit is leaking badly
- Water is near electrical equipment
- The power keeps tripping
- You smell burning
- You smell gas
- The unit is making unusual noises
- The water is dangerously hot
- Someone in the home relies on hot water for essential needs
If there is an immediate risk to life, fire or a serious gas leak, call emergency services.
Repair or Replace?
The phrase nobody wants to hear:
“Yeah… she might be done.”
But no hot water does not automatically mean the whole system needs replacing.
The fault might be:
- Heating element
- Thermostat
- Electrical supply
- Gas component
- Valve
- Plumbing connection
- Another replaceable part
The system should be properly diagnosed before deciding whether repair or replacement makes sense.
No point packing in the hot water unit before we know it is actually dead.

Why GA PERRY Is Handy When the Hot Water Stops
Hot water systems can involve more than one trade.
The problem might be:
- Plumbing
- Electrical
- Gas
- The system itself
That is where GA PERRY has an advantage.
With plumbing, electrical, gas and hot water services across Perth, we can look at the full problem instead of sending you on a tour of half the trades in Perth.
Less mucking around.
More chance of getting your shower back.
No Hot Water in Perth?
If your hot water system has gone on strike, do the basic checks first.
If it is leaking, tripping power, smelling strange, making odd noises or simply refusing to heat, it is probably time to call someone who knows what they are looking at.
GA PERRY provides hot water, plumbing, gas and electrical services across Perth for urgent faults and repairs.
No hot water and the household is getting feral? Call GA PERRY and let’s get the hot water back before someone has to take another cold shower.




