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Old 10-03-2014, 09:47 AM   #1
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Cardiff , California
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Shore Water - Tank Fill vs. Running

Howdy! We are second owners of this beautiful 23D (Inter.) and on day 4 of our 40 day excursion around coastal So Cal. We are in Coronado (Silver Strand St. Beach) now with shore power and shore water (no sewage hookups). Here's our question:

Q: We are currently connected to water post in our site. We have great running water. We even know how to activate our water heater control. But we are not getting hot water. Is that because we are running water straight from our hookup into our trailer and not filling up the tanks? Is that bc we hooked up into a different 'connector' on the exterior? Sorry - we are reading through manuals now, our little Airstream bible and searching the forums ...

Thanks for any feedback. We are truly blessed and loving this thing, from boon docking nights to fully hooked up ... but this would be nice to know

Ryan, Claire & Elton

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Old 10-03-2014, 09:53 AM   #2
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There is a "water heater bypass" valve that routes flow around the water heater, that is used only for winterizing. I'm not sure exactly where it is on your trailer, except that it's probably near the water heater and inside the trailer. Find that valve and make sure that valve is in the closed position.

Next go to the water heater on the outside, and make sure the pressure relief valve at the top is closed, and the drain plug at the bottom is in.

Once you do that, you'll be able to get water into and out of the heater. If you still don't have hot water after giving it time to fill and heat up, then the problem is somewhere in the heating element. But making sure the water flows has to come first before anything else.

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Old 10-03-2014, 09:53 AM   #3
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Look to your manual about winterizing your water heater. There is a bypass valve that stops water from entering the water heater.
"Chip Tank" is in Flagstaff Az.
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Old 10-03-2014, 10:33 AM   #4
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Sometimes there are three valves in the water heater bypass plumbing. The purpose of the bypass avoids filling the 6 gallon water heater tank with 6 gallons of RV antifreeze at $4 a gallon.

Take a look at my bypass arrangement. There is a valve on the blue cold water line into the water heater at the bottom. There is a valve on the red hot water line out of the water heater at the top. And there is a third valve on the bypass line between the two water heater lines.

When you open the two water heater line valves, and shut the bypass valve, the water has to go into the tank, get heated, and then go out of the tank.

When you shut the two water heater line valves, and open the bypass valve, the water is prevented from entering the water heater tank and takes the short cut "bypass" line.

Maybe I have thoroughly confused you...

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Old 10-03-2014, 10:41 AM   #5
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If the tank is empty and you turned on the electric water heater you may have burned out the heating element. Hope that's not the case.

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