Draining the rv s water supply 1.
Cleaning rv water heater tank.
Preseason preppers or full time rv users perform all the ste.
The next step is to fill the freshwater tank with clean potable water.
Then pour this water bleach mixture into the freshwater tank with the help of a funnel.
Go to the water heater which is located outside the rv and near its back end.
Flushing the system and replacing the plug.
Using the rvs or trailers winterizing kit put in 3 to 5 gallons depending on water heater capacity of white vinegar.
Remove the pressure relief valve at the top of the water heater and pour the vinegar mix using a funnel.
Fill the freshwater tank with potable water and pump it through the system.
There are a several ways to get the vinegar inside the tank.
You should dilute it first.
Make sure to fill it all the way.
Turn off the rv s water pump.
To avoid damaging the pump shut it off before draining the water.
Can be a.
How to clean an rv hot water tank method 1 of 4.
Open the water lines beneath the rv.
Reinstall the water heater plug.
Turn off the water heater the night before you clean it.
It will be in a.
Fill the rest of the water heater with water.
Some rvs don t have a gravity fill port.
Add a vinegar water mixture to the rv s fresh water tank then pump it in.
Draining the water heater.
Drain the water heater.
Wash out the water heater with a rv water heater rinser or turn the city water supply on to flush out any loose debris in the water heater.