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There’s nothing worse than stepping into the shower only to get hit with a blast of cold water. If your hot water is running out faster than usual, it could be a sign that something’s not quite right with your system.
The most common cause is a cylinder that’s too small for your household’s needs. If your family has grown or your routine has changed (hello, teenage showers), your current setup might simply not be keeping up.
Another likely culprit? A faulty thermostat or element. These are responsible for heating the water in your cylinder — and if they’re on the fritz, you’ll end up with lukewarm or short-lived hot water.
If you have a continuous flow gas system, you might be running out of gas or have a faulty auto regulator. Or perhaps you've completed some fixture upgrades with out upgrading your hot water and your new high-demand mixers or rain showers are quickly using your supply.
Lastly, don’t overlook leaks — even a small one from a pipe or pressure valve can mean your system is constantly refilling and struggling to heat up fast enough.
The good news is, there are solutions for every situation — whether your hot water system just needs a tweak or a total overhaul.
1. Upgrade to a larger or more efficient system
If your household’s outgrown your current setup, it might be time to upgrade. We can assess your hot water usage and recommend a system that matches your needs — from larger cylinders to continuous flow gas or energy-efficient heat pump systems.
2. Repair or replace faulty components
A broken thermostat or element is a common issue — and the fix is often quick and affordable. Our technicians can test your system and replace worn-out parts to get things running like new again.
3. Install reducers
On inefficient mixers or shower roses you can install a simple reducer (washer) that reducers the amount of water used.
4. Switch to mains pressure
If you’re on low pressure and struggling to meet demand, upgrading to a mains pressure system can make a huge difference in both flow and comfort.
No matter the issue, Hot Water Shop offers tailored, expert advice and local experience. We’ll find the right solution — so you can stop worrying about cold showers and enjoy reliable hot water again.
