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Old 03-24-2016, 02:04 PM   #1
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Another Newbe Question

I'm sure this has been asked, and I tried to find it before I asked so here goes. If possible, how does one regulate how hot your water heater gets. Also as a new owner of a new to me RV, is there a way to know what the PO has installed other then sticking a thermometer under the tap.

thanks much
Tony
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Old 03-24-2016, 02:09 PM   #2
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I don't think there is an adjustment for water temperature, at least on a conventional hot water heater.
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Old 03-24-2016, 02:50 PM   #3
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My understanding is they come from the factory preset to 140 .
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Old 03-24-2016, 06:11 PM   #4
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I'm with you...I have always wondered why the water was so hot. However, I also know the tank is teeny tiny compared to the one at home. With the hotter water, you have to mix more cold into it to make it the temperature you want...which I guess means the 10 gal tank will last for two showers, instead of one!
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Old 03-24-2016, 07:53 PM   #5
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Tony
Would help to know what make model year coach you are talking about
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Old 03-24-2016, 08:13 PM   #6
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Quote:
Originally Posted by B52Guy View Post
I'm with you...I have always wondered why the water was so hot. However, I also know the tank is teeny tiny compared to the one at home. With the hotter water, you have to mix more cold into it to make it the temperature you want...which I guess means the 10 gal tank will last for two showers, instead of one!

B 52 you are right. Having the temp up there so high forces the user to add more cold as you say to make the hot water go further. I ended up just starting with cold then adding hot till comfortable.

Should come with some better warnings though IMHO (one's you can't miss, even if you are not the original owner). Finding out the hard way really gets your attention, about scalded my hands off first time in bath sink. You only do it once though
Then I had to remember to warn guests about it.

W.D.
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Old 03-24-2016, 08:13 PM   #7
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My water heater has temp adjustments on it. Open the cover outside. There will be a dial or lever. But mine is old I still have to go out there an light it myself.
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Old 03-24-2016, 08:36 PM   #8
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Well, first off, we've had four coaches, two Cs and two As and, I can't recall any adjustments on any of them but, that doesn't mean there isn't any. It just means, I've not seen or, looked for any. To me, even if the hot water heater heats it a bit "too much", that doesn't mean you're caused to use more cold, it means you use LESS hot water in the mix. In the end, to me, you use the same amount of water totally.

But, as for any indication of any water temp, in any RV, I personally have never seen any RV with any water temp indicator. But, again, this is only of the ones I've been in. If there's Newells, or, other ultra-high end coaches, as in SEVEN ZEROS worth, maybe there's water temp indicators in those.
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Old 03-24-2016, 08:47 PM   #9
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Neither Atwood or Suburban gas/electric water heaters are adjustable temperature. Suburban is set at 130 degrees and Atwood is 140 degrees. There is an after market thermostat/ECO assembly available that is adjustable in a limited range.

Some early gas only models of both were also adjustable.


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Old 03-25-2016, 02:41 AM   #10
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Another set of ????

Quote:
Originally Posted by 2 Stroker View Post

Tony
Would help to know what make model year coach you are talking about
2 stroker
Thank you 2stroker, its a 1992 Fleetwood Pace Arrow with and auto tanny, a 454 chevy engine with 51560 miles on it and I'm the fourth owner. I dug around in the huge stack of reading material I was given after buying the couch and finnaly found the booklert for the water heater, its 6 gal and it appears to be factory set at 140 degrees. So there my answer.

I have a few more questions that maybe I can through out there, that I would like to know about.

1. My fridge is a LP/electric type, Dominic I think is the brand. Question before you leave on a trip you want to get the fridge cold, I plan to do this about 24 hr before we leave via the LP gas, while in route to the RV camp can you leave the lp gas on while you drive to keep the fridge cold?
2. Can you run the gas onan generator while you drive to power your 120 outlets and the ac roof units?
3. Same question for the water heater, can the lp gas stay on while in route to keep the water hot.

I think thats all my stupid questions
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Old 03-25-2016, 02:42 AM   #11
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I don't think there is an adjustment for water temperature, at least on a conventional hot water heater.

And you are right its fixed at 140 from the factory
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Old 03-25-2016, 06:52 AM   #12
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About getting your fridge cold, to save LP wondering if you were to get a small chunk of dry ice to set in the fridge to get the coldness jump started?
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Old 03-25-2016, 07:24 AM   #13
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I often run the generator, while traveling. Since your refrigerator operates on electric, use the electricity to power the fridge instead of lpg.
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Old 03-26-2016, 10:45 AM   #14
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Quote:
1. My fridge is a LP/electric type, Dominic I think is the brand. Question before you leave on a trip you want to get the fridge cold, I plan to do this about 24 hr before we leave via the LP gas, while in route to the RV camp can you leave the lp gas on while you drive to keep the fridge cold?
Allow at least 24 hours, and have the foods/beverages pre-chilled if at all possible. RV absorption fridges cool slowly and don't have a lot of reserve cooling capacity. Also, it will cool faster if you put cold stuff inside - less empty space to chill down.

Yes, you can run it on LP as you drive. Or via the genset in AC or AUTO mode. Some people are uncomfortable about having the gas system on while driving and shut off the valve at the tank, but that's a personal decision and not a technical need. Neither the RVIA nor the NFPA recommend against using the fridge propane mode while underway.


Quote:
2. Can you run the gas onan generator while you drive to power your 120 outlets and the ac roof units?
YES

Quote:
3. Same question for the water heater, can the lp gas stay on while in route to keep the water hot.
Yes, but it may be more problematic. The water heater's big gas burner is more susceptible to being blown out by winds around the RV as you drive. However, it's not risky because it will shut the gas valve off if the flame goes out. Still, there is really no need. You can heat it up ahaead of time and it should stay hot for many hours. Besides, you can get hot water from scratch in 30 minutes anyway, so why worry? Turn the heater one when you arive and you will have hot water by the time you are set up.
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