Your hot water tank is leaking from below! Don’t panic, Bob! Taking care of you is a common problem in the world of troubleshooting. Over 80% of leaks like this happen at night, when you least expect it.

But it’s only logical, as pressure increases during off-peak hours, which can put your hot water tank at risk. Here are a few tips to find out the causes of your problem so that you can keep your feet dry in the future!

First of all, it is important for you to know that a hot water tank is serviced annually. This reduces the risk of breakdowns and insures you in the event of an accident. This maintenance allows you to check that your hot water tank is working properly and in good condition. In fact, it prevents the risk of corrosion by checking the anode for wear and tear, for example.

Little tip : Did you know that your hot water tank should be descaled every 4 years? That the safety group should also be replaced approximately every 5 years?

That it is necessary to operate the valve of the safety block every 6 months? Then don’t neglect its maintenance!

Limescale is the main cause of failure or leakage for a hot water tank. Maintenance is therefore essential, especially in areas where there is a high level of limescale in the water. In Paris, to give just one example, nearly 20 litres of limescale is removed during an emptying.

Monitoring the condition of your hot water tank allows you both to improve its lifespan and to make savings, both in terms of efficiency and your energy bill. What’s more, you ensure your safety and that of your loved ones ! So how can you save your home ? Here is some information that may be of interest to you !

Your hot water tank is worn out and leaking from below at the level of the tank

Your hot water tank’s leaking from the bottom, so it’s probably done its time. In fact, on average, it has a life span of 10 years. This is why when you notice a leak from below, it is probably because your tank is rusty or cracked.

Moreover, when the hot water tank is old a corrosion point can form at the weld of the water inlet or outlet, which explains the infiltration of water when it is under pressure.

In this case, the tank must always be replaced completely, as a repair would be ineffective as the tank is already weakened. This could lead to further cracks and represents a risk of new leaks, but above all a risk for you who occupy the premises.

A leak from the bottom of the hot water tank at the safety group level
If your balloon is leaking from below, but the tank is not the cause of your problem. It is quite possible that the safety group is blocked.

The safety group limits the pressure in the tank during heating, since a non-return valve built into the device prevents water from flowing back into the supply network.

However, during off-peak heating, usually during the night, the water pressure has to be released and too high a pressure can damage the seal of the inspection flap. It is recommended to use a pressure reducer in parallel.

The safety unit must therefore be operated every month to prevent its parts from jamming.

Your hot water tank is leaking from below because of the thermostat.

Finally, if you have a temperature control defect on the thermostat, take precautions to replace it. Indeed, it is possible that it may explode due to pressure, reassure yourself it is a very rare case. However, it is essential to pay attention to its condition.


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