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Old 11-13-2016, 01:08 PM   #1
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Drain American Standard H2O heater

Have Am Stnd h2o heater on 2004 Rexall Aerbus w/ finger (hand tight) knob/valve that can be turned to allow h2o out of heater-have not removed rod. Very little h2o, if any drips out. Is h2o htr empty? Is this knob a nice added feature to bypass removal of rod? No plug-just turn knob.
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Old 11-13-2016, 02:19 PM   #2
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If the water faucets in the coach are off... the water will drip forever... open a valve and let the air in.... also... if you've not changed the sacrificial anode... the the water heater is full of sediment.... there's a good chance the drain port is filled with sediment.... I always pull my anode and check it each year... than flush out the water heater.... I'm amazed how much sediment flows out that opening...

I personally will go to Home Depot or another big box store and buy my anode's... they of course are way too long... but you can measure how deep your water heater is... and cut the new anode to length.... usually getting 50% more anode than an RV unit.... at a fraction of the cost....
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Old 11-13-2016, 02:24 PM   #3
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An American Standard water heater is usually the type found in an apartment, I think. When you open the drain valve, did you also open the pressure/temperature relief valve? In a regular RV WH, pulling the plug only allows a little water out until you open the PTR valve to allow air to enter as the tank drains.
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