Open the pressure valve and adjust the wrench to loosen the plastic drain plug.
How to drain rv hot water heater.
Run the hot water inside the rv until it runs cold.
This will ensure that the water that you will be working with is at an average temperature.
Near the drain valve where the hose is connected is a knob or lever that.
How to drain an rv water heater.
Also if you get into a good habit of draining your tanks when the fall comes it will be as easy as one two and three to drain and get your rv winterized.
At the top of the water heater is a valve.
Cleans sediment out of rv hot water heater attach garden hose and insert into drain opening includes shut off valve.
Run the hot water inside the rv until it turns cold.
The lever of the valve should point in the direction that you want the water to flow.
Disconnect the hot water.
Locate your water pump and disconnect the water outlet line attach a rubber hose and make sure it is long enough to avoid kinking then fill a 12 ounce jar or can with water.
If your rv has a bypass valve these two pipes will be connected directly to each other using a third pipe.
Turn off the water heater lp gas and water pump.
Cold water comes in at the bottom and hot water comes out of the top of the heater.
Outside of the rv open the panel to the water heater.
Turn the knob on the drain valve to open it.
The hot water heater tank will smell especially bad because of the hot water it will start to smell like sulfur.
Pull up on the pressure relief valve at the top of the tank to open it.
Allow the water to drain.
Here are those instructions.
Opening the drain valve 1.