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Old 05-06-2015, 09:11 AM   #31
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Thanks for the reset picture.
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Old 05-06-2015, 03:39 PM   #32
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We had the same issue...no hot water. DH went out to the tankless unit and found a small round black button which he believes is hot water reset button, which could trip if water temp is set to maximum temperature. It worked, so hopefully this is helpful to someone.
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Old 05-27-2015, 02:24 PM   #33
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There is a small reset button inside of the water heater. You will have to look for it as they are not all in the same place. Once found, just push the button and you should have hot water again.
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Old 06-15-2015, 07:25 PM   #34
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I believe there is a sail switch on the water heater exhaust vent it should in clear sight when water heater comes on a small metal strip will move it is in the exhaust pipe This can be seen by one person turning on hot water and the other watching the switch
if does not move try manually moveing it or just taping the exhaust this is not a permanent fix
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Old 06-16-2015, 06:54 AM   #35
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The operating manual and dealerships are all clueless about operating this tankless water heater. That secret reset switch (not to be confused with the on/off switch inside the heater panel) on mine is white so it can be most any color. The reason it needs to be reset is because you have the water temperature set too high thus tripping that little switch. Temperature setting on mine on the bathroom wall is like less than half way so turn the heat setting down low, reset the switch (little button) and then run your hot water inside the bathroom sink. Slowly raise temperature setting until you feel water start to get warmer. Once you find the right water temperature setting you may never have to do any adjustments again. Hope this is helpful.
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Old 06-19-2015, 06:43 PM   #36
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In reading the reply from Kevin, I have noticed the red power switch in the bathroom as well. What is this for? Mine tankless water heater works but you freeze and then you get cooked. I have tried turning that water temp knob and all but nothing seems to change the results of the shower.
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Old 06-19-2015, 11:27 PM   #37
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That red power switch in the bathroom next to the temperature dial has nothing to do with the hot water heater. I believe it is the on/off switch for the holding tank for the grey and black waste water so it doesn't freeze on a winter trip. I am sure someone else will confirm that. In the meantime if your water is going from hot to cold cycling during a shower then you have the temperature setting much too high. It will trip that little white or black switch that I referenced in my previous post which will shut off your heater so nothing but cold water will be delivered to your shower. Lower your temperature way down to about 1/4 or less. Then run your hot water tap in the bathroom sink and slowly raise temperature dial setting in your bathroom until you start to feel the water start to get warmer. Just set the water temperature until it is a comfortable level and leave it there. You will find that this necessary adjustment will end that scalding hot to cold cycling and make for a more pleasant shower. I have found that from one campground to another I have not had to make any additional temperature settings. It initially took some extra time and alot of water to get it where I wanted it.
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Old 06-20-2015, 07:39 AM   #38
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Thanks Dan for that info. I will get out in the back and work on that before the next camping trip.
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Old 06-20-2015, 07:39 AM   #39
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Quote:
Originally Posted by Oklahoma Dan View Post
That red power switch in the bathroom next to the temperature dial has nothing to do with the hot water heater. I believe it is the on/off switch for the holding tank for the grey and black waste water so it doesn't freeze on a winter trip. I am sure someone else will confirm that.
You are correct. The red switch in our Greyhawk bathroom is the on/off for the tank heaters.
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Old 06-25-2015, 11:18 AM   #40
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Tankless Water Heater Replacement

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Originally Posted by lumpymike View Post
The Tankless Heater in our 2015 Greyhawk 29MV never did work correctly. The dealer was willing to repair it under warranty but we told them that we simply did not trust it. Had it replaced with a 6 Gal DSI Tank Heater. Good Luck!
Did the dealer replace the tankless model with the 6 gallon DSI tank water heater under warranty or did you have some out of pocket costs. Wife and I have a Wildcat fiver with the tankless Water heater and hated it. Could never get the temperature right. Had it changed out to 6 gallon electric/dsi. Gerard and factory paid most of cost but I was still out of pocket $300.
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