My gas water heater is releasing large amounts of water, but only at night when the temperature drops. Ideas?

My gas water heater is releasing large amounts of water, but only at night when the temperature drops. Ideas?

My gas water heater is releasing large amounts of water, but only at night when the temperature drops. Ideas?

The water heater is fine during the day, however, when I go down to the garage in the morning, the relief valve has released a large amount of water all over the floor. I know it’s the relief valve because I have placed a container below the pipe for the water to drain into. Any suggestions?
The relief valve has a pipe that is connected to direct the water that comes out from the relief valve. So I know the water heater itself is not leaking. The water is coming directly out of the relief valve at night when it get cold.

You might have your water temperature up to high,that would do it ,cause during the day your using the hot water and it isn’t building up pressure.Try turning your temperature down and see what happens.Otherwise it`s your release valve and a good do it yourself project. Good luck!

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