Turn off the city water supply if you are hooked up to it.
How to drain rv water heater.
Run the hot water inside the rv until it turns cold.
Open the pressure valve and adjust the wrench to loosen the plastic drain plug.
At the very bottom of this blog i am going to show you a video of how to drain your water heater.
This will ensure that the water that you will be working with is at an average temperature.
Turn off the water heater lp gas and water pump.
Below is a picture of a water heater from the outside with the cover off.
Run the hot water inside the rv until it runs cold.
How to drain an rv water heater.
Check out the picture below to see the water heater that we removed out of the rv that we had to fix.