maagk
Greensburg, PA
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We are unwinterizing our travel trailer and we are getting hot water out of both the hot and cold faucet. What did we do wrong? This is out of all of the faucets, bath tub, sink and kitchen sink.
Thank you in advance.
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bldrbuck
Boulder, Colorado
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Joined: 02/11/2001
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I would suspect that the valves for you hotwater bypass are not in the correct position.
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Camping Dutchman
NJ
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Check your bypass valves on the hot water heater, you didn't close the crossover valve
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Cheddarhead
Northern Wisconsin
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try Shutting the middle crossover valve by you water heater bypass.
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hershey
Albuquerque,(fulltime) NM, USA
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Or the shower either inside or outside is on but the shower head is turned off.
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2milesup
Leadville, CO
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Check to see if you're in Arizona and it's August? 
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emaav
Hillsboro, Oregon
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When our hot water heater is on I will get about 5-10 seconds of hot water through the cold, then it will flow cold.
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Golden_HVAC
Fulltime, CA, USA
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emaav wrote:When our hot water heater is on I will get about 5-10 seconds of hot water through the cold, then it will flow cold.
Your water heater is supposed to have a check valve at the inlet to the hot water tank to prevent water from leaving the tank when it expands (due to heating the water). This check valve will cause the hot water to be a slightly higher pressure when it heats up cold water to 130F. But after the first heating, when it goes from 100 - 130, the pressure barely changes.
The check valve causes the water pressure in the cold water line to be a slightly lower water pressure, that is why the shower only has cold water going into it when the hand valve is shut off for a few seconds.
If you are getting hot water into both the hot and cold water lines, then perhaps the winterizing bypass valves are in the wrong position. Try running some more hot water, then run the cold water for about 10 seconds to see that you have cleared out the warm water from the cold water lines.
If the problem continues, write back. If it is solved, please post what it took to fix the problem, so others that search for this post will know how to fix their RV too.
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tvman44
Southwest Louisiana
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Bypass valve??
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hershey
Albuquerque,(fulltime) NM, USA
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tvman44 wrote:Bypass valve??
Most later model water heaters have a winterizing valve system that allows you to bypass the water heater, drain it and you don't have to fill it full of the pink stuff. It can be a somewhat complicate valve system or something very easy. You just have to study the valving setup to figure it out.
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