There is usually a valve under the rv somewhere that you will need to open.
Drain rv water heater.
Pop open the drain and pressure relief valves to allow the water to drain out completely.
Fortunately draining a water heater is super easy to do.
Sometimes they are on an easy valve system that you can turn.
Febrytold 14pcs water heater drain plug 1 2 11630 91857 white plastic drain plug kit fit for atwood and rv camper water heaters 4 4 out of 5 stars 17 7 59 7.
Turn the water supply back on to flush out any remaining sediment.
Start by turning off the power or gas and then connect a garden hose to the drain valve.
If you ll be storing your rv for a while you ll want to drain the water tank before you lock the door.
When pulling the plug on your water heater if you do not relieve the pressure in the water heater tank by pull.
As i already said above you will also want to empty the fresh water tank and water lines.
Check out the picture below to see the water heater that we removed out of the rv that we had to fix.
This is usually a mistake you only make once.