We only remember the water heater on a cold winter morning when the shower runs cold. But a heater rarely stops all at once. In most homes it has been sending signals for months: a strange sound, water that takes longer to warm up, a small drip that nobody bothered about.
Five signs worth taking seriously
- Crackling or knocking sounds while heating: usually a layer of scale at the bottom of the tank, common with Madinah’s water.
- Rusty or brownish hot water, while the cold water looks normal.
- The water takes much longer to get hot, or runs out faster than before.
- Water dripping from the safety valve or collecting under the heater.
- The breaker trips whenever the heater switches on.
The safety valve: a small part with a big job
Every electric water heater has a valve that releases pressure if it rises too high. A valve that drips constantly may be worn, or it may be warning you that the pressure or the temperature is too high. Never block it or plug it to stop the drip. That valve is what protects the tank and the people around it.
What you can do yourself
Set the thermostat to a moderate temperature; there is rarely any need for the maximum, and lower settings reduce scale and electricity use. Look under the heater every few weeks for water marks. And if the heater is in a closed space, keep the area around it clear so any leak is easy to spot.
Anything beyond that, from changing the element or the thermostat to draining the tank, involves electricity and hot water together. Leave it to a technician.
Cleaning the scale: once a year makes a difference
Draining the heater and removing the scale once a year keeps it heating efficiently and extends its life. It is a good moment to check the safety valve and the element at the same time.
This is included in Mawadda’s Comprehensive package: descaling two water heaters and checking their safety valves. And with any subscription, the inspection engineer checks the heater during the engineer visits.