No Hot Water? Common Causes and What to Check

What to check if your hot water isn't working

Hot water is something most of us rely on daily—so when it suddenly stops working, it can be a major inconvenience. While some issues are straight forward, others may require professional attention.

Here are some common causes of no hot water and what to check first.

Power Supply Issues

Your hot water system relies on either electricity, solar or gas to operate.
Depending on your power supply, check that:

  • The electricity is on and hasn’t tripped
  • The gas supply is connected and working
  • The solar circulating pump is operating

If everything appears normal and there’s still no hot water, the issue may be internal.

Hot Water System Faults

Over time, components within your system can wear out or fail.
Common issues can include:

  • Faulty heating elements
  • Broken thermostats
  • Sediment build-up inside the tank

These problems often require repair or replacement by a licensed plumber.

System Age

Hot water systems don’t last forever. Most units have a lifespan of around 8–15 years. If your system is older, it may be struggling to keep up or nearing the end of its life, making leaks more likely to occur.

We’re here to help!

If basic checks don’t resolve the issue, it’s best to have your system inspected. Delaying repairs can lead to further damage or complete system failure.

Our team at Dale Keygan Plumbing can diagnose the problem and provide reliable advice, repairs or replacement options. Contact us for prompt, professional service.