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Old 12-29-2013, 08:30 AM   #1
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Hot water

We are still new to all this,but the members input has been priceless.
We will be buying a 40, or + MH as we will be in it 10 months a year,at least.
This may be a dumb question.All the MH we look at come with a 10 gal hot water,and most with a washer &dryer.There are some days i want a long hot shower. Here goes the dumb question, could we remove the washer dryer and install a 30-40 gal hot water( the washer and dryer are not as important)in that space and get it tied in.
We have heard that some of the newer units have a tank-less system,but the have had there has been a lot of problems.
Thanks again.
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Old 12-29-2013, 08:59 AM   #2
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Purchase a unit with Hydra Hot and you will never run out of water.
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Old 12-29-2013, 09:07 AM   #3
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Can the hydra hot be in stalled in a mh that did not come with one.
Tim
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Old 12-29-2013, 09:12 AM   #4
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You will be pleasantly surprised that your little 10 gallon HWH will allow you to take a nice long and hot shower. Give it a little time to recover and your family members can also take a nice long shower. We have an Atwood so my comments are pertaining to the Atwood unit. Performs equally on propane or electric.

You will also find that the W/D is very handy and very easy to use as long as it is vented.
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Old 12-29-2013, 09:46 AM   #5
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Quote:
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Can the hydra hot be in stalled in a mh that did not come with one.
Tim
Yes it can but $$$$$$
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Old 12-29-2013, 09:49 AM   #6
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Quote:
Originally Posted by tagcat View Post
We are still new to all this,but the members input has been priceless.
We will be buying a 40, or + MH as we will be in it 10 months a year,at least.
This may be a dumb question.All the MH we look at come with a 10 gal hot water,and most with a washer &dryer.There are some days i want a long hot shower. Here goes the dumb question, could we remove the washer dryer and install a 30-40 gal hot water( the washer and dryer are not as important)in that space and get it tied in.
We have heard that some of the newer units have a tank-less system,but the have had there has been a lot of problems.
Thanks again.
If your hot water heater is both electric and gas you can turn both on makes lots of hot water that way.
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Old 12-29-2013, 10:35 AM   #7
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I haven't seen an RV type water heater that size so you would probably have to go with a residential type. I think the electric current could be a problem.
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Old 12-29-2013, 11:53 AM   #8
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Our old 10 gallon water heater gets the water super hot. You will have to mix cold water to make it a 95 degree event. The 10 gallons thus grows to maybe 15 gallons and is also reheated as you are showering if the gas option is used.

Carrying 40 gallons of water on one side of the motor home would add 320+ pounds of weight where the engineers had not planned on it being. Probably not good.

Aqua Hot is the answer for a motor home. Buy a rig with AH already installed.

If this is a key issue regarding use of the motor home, rent one first to see what it does for you.
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Old 12-29-2013, 11:54 AM   #9
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Hi tagcat,
To answer your specific question, yes you could put up to a 20 gallon residential water heater in your coach. You can see them at Lowes or HD. These are the largest water heaters that require 120 VAC. Anything larger gets into 220 VAC. 220 VAC would require some creative electrical work by a licensed electrician.

Per the previous posts, the real question is why bother. Keep the W/D and consider what has been posted. Consider starting with turning on both the gas and electric heating capability of your current water heater. If that is not providing the hot water needed, then look into the Aqua Hot or other RV specific solutions for endless hot water. There are several to choose from. Google "rv endless hot water". There will be choices for you to look at.
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Old 12-29-2013, 12:10 PM   #10
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Quote:
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Purchase a unit with Hydra Hot and you will never run out of water.
+1 Love our Aqua Hot system.
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Old 12-29-2013, 12:17 PM   #11
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You can always replace your water heater with an on demand unit. They will produce hot water as long as you have propane and water. Several units on the market - I think Atwood even makes one to replace a standard water heater.
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Old 12-29-2013, 12:25 PM   #12
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RV "on-demand" or tankless water heaters were discussed recently here:
On demand heated water

This is what I intend to upgrade to in the future.

Safe travels
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Old 12-29-2013, 12:46 PM   #13
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Quote:
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We will be buying a 40, or + MH as we will be in it 10 months a year,at least.
I agree, get one with "aqua-hot" "hydro-hot" "hurricane" or "oasis" (Different brand names for the same type
of hydronic heating system). You might need to start looking at used luxury diesel pusher coaches to find
one of these systems installed. Endless hot water, and heats the coach very efficiently too ! The diesel
fired units have the most Btu output, and will produce the most hot water.
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Old 12-29-2013, 01:37 PM   #14
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We travel as a family of 5 in a MH with a 10 gal water heater. We have never had a problem with running out of hot water. There are times when we come in from the pool or beach and everybody has to shower before dinner, etc. The water heater keeps up with no problems. As another poster stated, if I am thinking about it, I may engage the LP switch also to help the recovery time get even quicker. But the majority of time, it is only in the electric only mode.

I am also often surprised not only at the quantity of hot water, but also how "hot" it is. I have commented to DW that I wish our two 50-gallon units at home did as good a job keeping up with high demand. Lastly, if you look on the manual, the recovery time is faster in LP mode than electric mode. Of course, it's fastest when both modes are utilized together. I wouldn't change anything until you've had several months to test it out. Hope this helps.
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