Open the pressure valve and adjust the wrench to loosen the plastic drain plug.
How to drain rv water heater.
Turn off the city water supply if you are hooked up to it.
Check out the picture below to see the water heater that we removed out of the rv that we had to fix.
Below is a picture of a water heater from the outside with the cover off.
Outside of the rv open the panel to the water heater.
How to drain an rv water heater.
Turn off the water heater lp gas and water pump.
This will ensure that the water that you will be working with is at an average temperature.
Run the hot water inside the rv until it turns cold.
This is to ensure that the water inside the water heater is.