As the water is heated it will expand if the over flow pipe is blocked it can and may burst your water heater.
Why is my water heater leaking from the overflow pipe.
If your water heater is gas powered then it will have a vent on top.
Most homeowners may mistake it as leaks but this is actually one of two possible scenarios.
When this happens water can build up and overflow.
Your water heater is working as it should and releasing water as a safety measure or water is leaking because the t p valve overflow pipe or even both are malfunctioning.
Float valves are found in toilet cisterns cold water tanks and central heating feed and expansion tanks.
Since the condensate overflow pipe for air conditioners looks similar the vertical pipe on water heaters is often confused for an overflow pipe.
It starts from the slowly leaking of the water with the passage of time it become heavy flow of water with the pressure.
When an overflow pipe is dripping or running with water one of the most common causes is a problem with a float valve.
Leaks should be addressed immediately.
The drain valve is also become the cause of water leakage if the drainpipe or water heater overflow pipe water heater is loose.
This vent needs to be cleaned regularly or it can become clogged.
In some cases you may notice a leak coming from what looks like an overflow pipe attached to your water heater.