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Old 08-15-2014, 01:49 PM   #1
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Rockwood premier 2514g water heater

I just bought a new 2015 rockwood premier 2514g and took it out for our first trip this week.

We tried using the outside shower and the hot water fluctuated about every 5 seconds from cool to Luke warm and back to cool/cold.

I understood this had a 6 gallon tank for the hot water. Is this the way it is intended to work? Am I doing something wrong?
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Old 08-15-2014, 01:56 PM   #2
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Sounds like one of your bypass valves behind your water heater are turned incorrectly.

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Old 08-15-2014, 01:57 PM   #3
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Just to confirm: it should put out hot water consistently? Not just Luke warm?
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Old 08-15-2014, 01:58 PM   #4
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Quote:
Originally Posted by Bbelement View Post
Just to confirm: it should put out hot water consistently? Not just Luke warm?
Correct.

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Old 08-15-2014, 02:19 PM   #5
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Congrats on your new unit. Your pop up has a 6 gallon tank so it is not an "on demand system". It should provide a nice flow of hot water.

I also suspect that a valve might be turned in the wrong direction.

Locate the WH and look at the valves used to bypass the tank (it is used to winterize your unit). The levers are oval or a teardrop shapes lever. Make sure the pointy ends are in line with the lines you want the water to flow into. Perpendicular shuts the valve.
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Old 08-15-2014, 04:32 PM   #6
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Thanks. I'll check into that and update results.
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Old 08-17-2014, 11:12 PM   #7
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The water heater and the bypass setup is under the dining table bench on the tongue side of the table. My bench cover was secured with one screw.
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Old 07-01-2019, 04:55 PM   #8
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Same issue. I just bought a new 2514g and am testing it all out in the driveway. I filled up the 20 gallon fresh water tank. Turned on the water pump. I opened the cold and hot water faucets and let them run til the air was out of the lines. Turned on the water heater and let it do its thing for an hourish. When I turn on the hot water faucet I get a pulsating mix of luke warm and cold water coming from the hot water faucet. The reset light on the inside HW panel is not lit. I checked the lines under the dinette bench and the bypass valves all seem to be in the right position. I looked inside the HW panel outside and everything looks to be ok in there. I'm stumped. Maybe it just needs more time to heat up? Any suggestions would be appreciated.
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Old 07-01-2019, 05:03 PM   #9
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Quote:
Originally Posted by HappyCamperCanada View Post
Same issue. I just bought a new 2514g and am testing it all out in the driveway. I filled up the 20 gallon fresh water tank. Turned on the water pump. I opened the cold and hot water faucets and let them run til the air was out of the lines. Turned on the water heater and let it do its thing for an hourish. When I turn on the hot water faucet I get a pulsating mix of luke warm and cold water coming from the hot water faucet. The reset light on the inside HW panel is not lit. I checked the lines under the dinette bench and the bypass valves all seem to be in the right position. I looked inside the HW panel outside and everything looks to be ok in there. I'm stumped. Maybe it just needs more time to heat up? Any suggestions would be appreciated.
I'm guessing they are not.

Can you post a photo of how they are?
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Old 07-01-2019, 05:25 PM   #10
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Pics attached. Maybe it's because I'm using the onboard freshwater tank and not the city water hookup? But that shouldn't matter? It seems that the water is warmer during the couple seconds the water pump is actually pumping.
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Old 07-01-2019, 05:43 PM   #11
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Aha. I'm wondering if that valve on the short line between the hot and cold lines should be closed instead of open?!
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Old 07-01-2019, 06:05 PM   #12
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Success! So that short line between the hot and cold lines is the bypass line. And the valve should be in the closed position on that line. The dealer didn't go over that with me. They must not have checked that before I drove away with it. Google is good for some things. So I closed the bypass valve and now I have lots of steady hot water.
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Old 07-01-2019, 06:20 PM   #13
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real fast explanation of the three valves. in normal mode the two valves going to the hot and cold ports should be open (parallel to line) and the bypass valve should be closed (perpendicular to line). in this configuration incoming cold water is routed through the heater and out the hot line.

to bypass the water heater so that water does not go through it reverse all three valve positions. the two closed valves will keep water out of the tank. the open bypass valve will allow cold water to flow though it and continue out the hot water line.

the way you had them you were forcing cold water into the tank while drawing some hot water from the tank while at the same time allowing cold water to enter the hot line without going through the tank.
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Old 07-01-2019, 07:28 PM   #14
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Glad you figured it out! Great job!
Now you know how they work and what happens when they are positioned incorrectly.

Your post will help others as well.
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Old 07-01-2019, 08:32 PM   #15
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That valve between blue and red is the bypass and its open in the pic

My bad I thought I was posting at the end of the thread and didnt see the above posts
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