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Old 04-28-2016, 06:33 PM   #1
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No hot water

How come I don't have any hot water 2016 jayco jayflight???
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Old 04-28-2016, 06:36 PM   #2
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Do you have water flowing from the hot water faucets? Is the pilot light lit in the hot water tank? If the pilot is lit, does the burner come on?
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Old 04-28-2016, 06:38 PM   #3
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Water is flowing through hot water taps and its automatic so doesn't have to be lite and I'm running it of shore power
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Old 04-28-2016, 06:44 PM   #4
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I'm only familiar with the gas HW tanks, so I may be of no help.

Obviously, it must have a burner of some sort, whether is be gas or electric, and the burner must come on when the water is below set point temp.

I'd look for an on/off switch, and make sure the fuse / breaker is OK. I would guess the owner's manual would be the first first choice for operational info.

When we did our PDI the system was running and the dealer showed us how to start and shut it down.
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Old 04-28-2016, 06:45 PM   #5
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did you un-bypass the heater when you de-winterized? are you using propane of electric for heat?
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Old 04-28-2016, 06:46 PM   #6
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If it wasn't un-bypassed there would be no water flow.
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Old 04-28-2016, 06:48 PM   #7
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I think the 2016 models do not have a pilot, they have Direct Spark Ignition. Some things to check:
Is propane tank turned on and lines purged of air? Light stove to do that. If stove won't work perhaps a propane delivery issue.
Is red light illuminated on water heater gas switch? When water heater turned on it will try to light 3 times. If flame is not sensed after 3 attempts it will go into "lockout". To reset you must cycle the power switch back off and on again.
Is battery charged or are you plugged in to shore power? DSI heaters need 12-volts to work.
If trailer was recently de-winterized, were the water heater bypass valves fully returned to "normal" position?

A few things to check, good luck!
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Old 04-28-2016, 06:51 PM   #8
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Quote:
Originally Posted by gypsmjim View Post
If it wasn't un-bypassed there would be no water flow.
If it was still in bypass water would flow, just not into and out of the water heater. That is the exact purpose of bypass, so antifreeze can flow through all the lines without filling the 6 gallon tank.
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Old 04-28-2016, 06:53 PM   #9
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Quote:
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If it wasn't un-bypassed there would be no water flow.
,

there is water flow when it is bypassed, and when normal, water flow is now through the tank, either way, there is still flow at faucets
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Old 04-28-2016, 06:55 PM   #10
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What is normal position for the lines
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Old 04-28-2016, 06:56 PM   #11
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And in plugged into the shore line
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Old 04-28-2016, 07:01 PM   #12
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What is normal position for the lines
Check this thread, it shows normal and bypass positions.
http://www.jaycoowners.com/forums/f1...nes-35512.html

For the 2 valves in and out of the water heater the handles should be inline with the pipe; the bypass valve (connecting between the hot and cold lines) should be perpendicular to the line.
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Old 04-28-2016, 07:08 PM   #13
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Turned on the gas and the stove lights, the water heater area on the outside of the trailer was hot and the inside under the bunk the tank is making a humming noise and I still have no hot water
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Old 04-28-2016, 07:13 PM   #14
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Have you bled the tank?
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Old 04-28-2016, 07:13 PM   #15
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If burner is burning (you did say area near heater was hot) then there must still be a problem with water properly flowing into and out of the water heater. I'm leaning towards some issue with the valves at the water heater.

You did say water flows from the hot taps, it just is not warm, correct?
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Old 04-28-2016, 07:14 PM   #16
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Yes it's flowing it's just cold
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Old 04-28-2016, 07:16 PM   #17
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Open the pressure relief valve on the tank, make sure burner is of cause the water can get real hot, and keep it open till there's no air, only water flowing.
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Old 04-28-2016, 07:19 PM   #18
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I have to think something is amiss with the valves at the water heater. If the heater is full of water and the burner is working, you should have hot water if the valves are in their proper positions.

I am leaning towards the bypass valve still being "open" allowing cold water to not go through the water heater.
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Old 04-28-2016, 07:23 PM   #19
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As Canadiankid says purging the air from the water heater with the pressure relief valve is what I do before I fire the heater, but since water is coming out of the hot taps if the valves are properly set there must be some flow through the water heater. It may have a bigger air bubble than usual, but if there is flow it must be relatively full.
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Old 04-28-2016, 07:24 PM   #20
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Pressure relief value has water flowing and the by pass value is going across the line
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