Well, you’re probably wondering why the immersion heater is not working. The straight answer is that the culprit may be anything from a faulty thermostat to damaged elements, and even limescale buildup.

What is the most common problem with water heaters?

Water leaks are perhaps the most common type of water heater issue you’ll face. Any water heater will start to leak eventually, as by nature water will eventually corrode your tank and create microscopic cracks or fractures.

Why do my water heaters keep failing?





Sediment buildup: When water is heated, mineral deposits separate and settle onto the bottom of your water heater tank. Sediment builds up over time, reducing your water heater efficiency and eventually causing damage. This is especially an issue if you have hard water.

What is the lifespan of an immersion heater?

An immersion heater may last for between two and three years before it burns out and needs to be changed. This time frame does vary between makes and models of water heater.

How do you reset an immersion heater?

Quote from the video:
Quote from Youtube video: And in that case what you need to do is go to your fuse board isolate the circuit by turning off the water heater or immersion heater circuit.

How do you diagnose a water heater problem?

A water heater that produces no hot water may not be getting power, may have a tripped limit switch, or may have one or more failed heating elements. First, check the water heater’s circuit breaker in the service panel to make sure it hasn’t tripped. If the breaker has tripped, switch it off, then switch it back on.

What are the signs of a hot water heater going bad?





Here are six common signs that your water heater is going bad.

  • Your Water Heater is More Than 10 Years Old. …
  • Water Heater is Leaky. …
  • Water is Discolored. …
  • There’s Not Enough Hot Water. …
  • Water Heater is Making Unusual Noises. …
  • You’re Constantly Having to Have Water Heater Repair.


How often do water heaters fail?

Water Heater Lifespan



If your tank water heater is more than 10 years old, it may be time to consider replacing it. With proper maintenance, a tank water heater tank should last six to 12 years. A tankless water heater can last for more than 20 years. Check your water heater’s warranty for the most accurate timelines.

What do you do if your immersion heater isn’t working?

Quote from the video:
Quote from Youtube video: Often I get customers who call me out because their emotion heaters not working. And sometimes it's a simple problem of a little thermal cutout switch which trips out and it has to be reset. So this

Do immersion heaters need servicing?



While a high proportion of homeowners would recognise the need to have their boiler serviced annually, very few know that to keep their hot water cylinder and immersion heater running properly and efficiently, simple maintenance procedures need to be performed.

Why is there a reset button on the immersion heater?

If your water heater loses power, your water heater’s reset button can be used to turn the appliance back on. However, your reset button serves as a safety device and turns the unit off when the water temperature gets too hot.

What trips the reset button on a hot water heater?

The reset button: a red button located on the water heater itself (just above the thermostat) that trips when the water temperature exceeds 180 F. The reset button is sometimes referred to as the “ECO” (emergency cut off) or “high limit switch”.

How do you test an immersion thermostat?



To diagnose a faulty immersion heater you have to carry out three testings: Testing between the heating element terminals where you should read on the multimeter screen 20 ohms. Testing between the two terminals on the immersion heaters thermostat (stat). Your reading has to be below 1 ohm when the water is cold.