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Old 05-25-2014, 11:50 AM   #1
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water heater runs hot then cold then hot...

We have a new FR Vengeance 320A TH and on our maiden trip as I type. When you turn on the hot water it runs cold then hot then back to cold and repeats this cycle. Any clues to why this does this?

Thank you
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Old 05-25-2014, 11:56 AM   #2
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This is a beautiful 5th Wheel. Do you have any pixs? Are you running on the electric water heater or are you using propane? I don't have elect but some say the elect is for quick heating.
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Old 05-25-2014, 11:56 AM   #3
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Yes turn your (Bypass Valves) off of winterization! Youroo!!
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Old 05-25-2014, 11:56 AM   #4
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Make sure you water heater by-pass valve is closed, see picture for position of middle valve
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Old 05-25-2014, 12:08 PM   #5
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I cant see anyway to get to the back of the heater. Where the heater is located on the outside when you come inside the wall is there no panel at all to get to the back.
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Old 05-25-2014, 12:10 PM   #6
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What is on that wall?
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Old 05-25-2014, 12:17 PM   #7
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The wall is in the bathroom between the shower and the top of the stairs
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Old 05-25-2014, 12:17 PM   #8
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It looks like you have a pass thru storage next to it. Look inside for a removable wall
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Old 05-25-2014, 12:19 PM   #9
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Ok will check
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Old 05-25-2014, 12:48 PM   #10
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Quote:
Originally Posted by fonzie View Post
It looks like you have a pass thru storage next to it. Look inside for a removable wall
YES! Pulled the panel in the storage compartment and Viola! Thank you very much. What a strange place for access. I will make an access door so next time I wont have to remove the whole thing.

Again... thank you
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Old 05-25-2014, 12:50 PM   #11
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Great, was the by-pass valve open?
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Old 05-25-2014, 12:53 PM   #12
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Yes or 2 which ever way prevented it from functioning right. Just turned it and checked hot water and bam....hot water
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Old 05-25-2014, 12:57 PM   #13
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Now your playing with hot water...





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Old 05-25-2014, 01:46 PM   #14
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Isn't this forum just the bestest thing ever.?
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