Quote:
Originally Posted by slow
I have a 2015 Elite 23RB.
To drain the hot water tank, I open my COLD (NOT hot) water low point drain and I open the pressure relief valve on my Atwood water heater. It is not intuitive, but it works since the cold water inlet to the tank is at the bottom of the tank and the pressure relief valve is at the top of the tank. It actually drains more water out of the hot water tank using this method than by removing the hot water tank's drain plug which sits higher in the tank.
I also replaced the low point drain caps with valves to make it easier to drain after each camping trip.
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Was just reading back thru this old posts. When I drain my hwh (Suburban) I turn on the water and open a hot water faucet for a brief time. then turn water supply off, with in tank cold, open pressure relief valve, then remove drain/anode rod. In my experience this helps to suspend the sediments in the hwh and flushes the tank, removing most of the sediments. YMMV