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Old 08-17-2014, 08:57 PM   #1
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Angry Tankless water heater

I have a 14 senca motorhome with tankless water heater . Does anyone have one that's works??
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Old 08-17-2014, 09:04 PM   #2
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Mine works but will burn you and then chill you. Not a big fan of it. My wife has determined that you just crack the hot water and use the cold to regulate temp. Works as good as everything else we've tried. Lots of talk on this site about that booger.
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Old 08-18-2014, 06:19 AM   #3
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Angry Tankless water heater

Thanks , everyone I have talked to says the same thing ! It's a shame
To spend 150,000 and have to put a old style water heater in its
Place !!
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Old 08-18-2014, 10:58 AM   #4
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Remo, I am still learning about our TWH but what I have found is, I don't dilute the hot with cold. I have yet to use the cold water tap in the shower. I adjust the temp of the water just with the hot tap. Do a search on threads and you will find others that are finding ways of correcting problems.
Good luck
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Old 08-18-2014, 02:54 PM   #5
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There are many posts on how to work this water heater and a video or two out there as well. Try the Girard website. Having said that, I have found that you must adjust the water heater by the rotary knob to adjust for incoming water temp and pressure at every stop. It takes a little experimentation, but we got the hang of it really quick. After that is figured out, no cold water is necessary at all, you just get an endless stream of the perfect temperature water for your shower. We find that we adjust the temp back up when we are doing dishes and use a little "sign here" tab to note the location of the adjustment knob for showers at ehatever park we are staying at.
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Old 08-18-2014, 07:22 PM   #6
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We have a 2015FK Grayhawk. The first time out,we lost hot water. When we got home, I called Girard and they were very helpful. We trouble shot the problem on the phone and they determined that the spark igniter had crapped out. They shipped me a replacement which I installed and we had hot water. We have been out 3 times since then and had no issues. We adjust the hot water by running the water in the sink in the bathroom. We adjust the water temperature by rotating the hot water temperature switch in the bathroom. When it is right,we turn the sink water off and turn only the hot water on in the shower. We also make it a little warmer than is comfortable but that can be adjusted by a bit of cold water if necessary. The trick of the whole system is flow and incoming water temperature. If the hot water is on full flow and the temperature is too cold, back off on the hot water very little and you will see a big difference in the temperature. Too much flow through the heat exchanger does not allow the water to warm up. Too little flow causes the water to over heat while in the heat exchanger.
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Old 08-18-2014, 08:02 PM   #7
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Snipe22 has it. We use only hot and turn down the volume. Steady nice shower temp is result. Have one in my house works same way.
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Old 08-19-2014, 06:03 PM   #8
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Tankless water

I just had a question about the tankless water heaters... do they only operate on propane? If so, when you're at a full hookup campground, you would be paying for their electric, but using your propane. Seems like you'd be better off with a regular water heater unless you mainly dry camp.

Just a thought...
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Old 08-19-2014, 06:07 PM   #9
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Quote:
Originally Posted by The Logans View Post
I just had a question about the tankless water heaters... do they only operate on propane? If so, when you're at a full hookup campground, you would be paying for their electric, but using your propane. Seems like you'd be better off with a regular water heater unless you mainly dry camp.

Just a thought...
the amount of propane that a tankless heater would use in a weekend wouldn't cook a couple of hamburgers
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Old 08-19-2014, 07:31 PM   #10
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Yes, they only run on propane. They do seem pretty efficient thought. I cannot prove that they are efficient since we have only used it for about 10 days thus far. I do not notice any major change on the propane gauge.
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