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Old 09-10-2016, 12:02 PM   #1
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Water heater bypass 27bhs???

Can anyone help me figure out if there is a water heater bypass on the jay flight 27bhs? We just bought a 2017 and I wanted to sanitize the water system. But I can't for the life of me find a by pass for the water heater?

The access panel is in the back of the trailer. But there are no bypass valves that I can see.
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Old 09-10-2016, 12:16 PM   #2
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Typically HWH bypass valves are on the "back side" inside the RV.
In some cases the owner's manual may have more detail and information needed.
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Old 09-10-2016, 12:18 PM   #3
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Lots of TT's I have seen, the valves are in front where the cold and hot water pipes enter the water heater. Should be 3 valves.

Sometimes you have to almost stand on your head to reach them.
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Old 09-10-2016, 12:20 PM   #4
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From what I can tell there is no inside access. It's a bunkhouse and the "inside" of the water heater is behind the outside kitchen and under the bottom bunk. There's not a panel to access from inside that I can find.
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Old 09-10-2016, 12:22 PM   #5
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Got to get to them from the inside of the tt. Often you need a #2 screw driver to remove a panel. Find the water heater outside. Then look inside in that same place. Mine was under the dinette bench, access from above, screwed down. I have seem them behind a cabinet door, that is screwed shut. When you find it, I'd recommend leaving the screw(s) out.

Pull the matress, and I bet you need to remove part of the board the matress is on.
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Old 09-10-2016, 12:23 PM   #6
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It would be behind the outside fridge which is screwed down. I guess I can remove it and see what's back behind it.
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Old 09-10-2016, 12:31 PM   #7
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in my TT you can lift the bottom of the bed up and it gives me a direct shot to the bypass valves. I just lift up the mattress and the plywood for the bunk is exposed lift up the plywood and it is a direct shot to the back of the hot water heater.
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Old 09-10-2016, 12:31 PM   #8
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Found it!

Unscrewed the fridge and looked behind. Then I saw a little access panel that looked like it was under the bottom bunk. Then it occurred to me to remove the bottom bunk mattress and there was a hidden loft up door that gave access to that panel from inside. That's how you get to the bypass valves.
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Old 09-10-2016, 12:45 PM   #9
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Now the issue is that there aren't three valves. There are two. I assume I just switch both of them to activate the bypass?
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Old 09-10-2016, 12:50 PM   #10
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If you can't find the 3 rd valve you don't have a bypass.
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