Water heater
I have a 2206 towlite
Like many of you I have the 6 gallon water from Atwood with a rectangular door They no longer produce this water heater when I had the tank go bad and was looking for a replacement I installed a suburban brand gas / electric one which was square in shape and the tank faced the other direction By redoing all the plumbing including modifying the fresh water pickup tube to the water pump and relocating the water pump, it fit!!! I counterflashed the hole of the original water heater to the new water heater with 24 gauge sheet metal for waterproofing behind the water heater door I wanted to use the original door and frame so I modified it by cutting a new flue exhaust hole and covering it in stainless steel screen The water heater and water pump area are now covered in sound proofing foam and plywood for noise and access doors for servicing |
Water heater upgrade
In the design phase of a hybrid hot water heater system
I’m going to add a tankless water heater made by surburban to my tank water heater which is also by surburban that I just replaced |
The reason
Best of both worlds , limited water during boondocking and unlimited hot water for showers Want the tank water heater for short burst of hot water for dishes Want the tankless water heater for more hotwater than the 6 gallon can supply for a longer shower I will be plumbing them in series (cold water into tankless w/h then into tank w/h) using the tankless water heater as a booster for the tank water heater |
That's an interesting concept, camp. I hope you will post pictures that show your installation, maybe some during progress too!
Is the tankless heater powered by propane too? - Jack |
Quote:
I happen to have room to install both types of water heaters in my 2206 under the couch/bed |
The problem with tankless w/h is you have to have water on for 10 seconds at 1 gpm for them to work
And at a set temperature can’t add any cold at fauset to adjust temperature also if you turn off shower between soaping up and rinsing off you get cold water for 10 sec ( important if your boondocking) |
Only Truma tankless water heater fixes this problem by using a pre heated tank in there tankless w/h which dealer install only and $2000
But I found a solution stay tuned |
The surburban tankless water is the make that will work
Operates with 1/2 gpm set at 130 degrees which means you can add cold water at fauset |
Plus if you put it in series with a tank water heater you won’t have a shot of cold water when you turn on and off the shower while boon docking
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Difficulty of install between 1 and 10 it’s going to be a 10
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Sounds a hell of a project, Les! I didn't know about the 10 second delay time in these heaters. Way back, when I was in high school (the 50s), my Father (US Army) was stationed in France.and we lived in a home that had a tankless heater in the kitchen. It was above the sink and would light up almost immediately when hot water was turned on. Since it was visible, you could see the burner. Kind of spectacular as I recall.
- Jack |
Also I have to say I’m a little OCD about the water systems on rv s
I was never happy with pressure changes as the water pump starts and stops so I installed a rubber bladder pressure tank( 1 gallon in size) that is pre charged with air at 27 psi ( they use these on wells) Which keeps a even water pressure while using my fresh water pump on my trailer Next I did not like I the hot water temperature veries when you start pulling water out of the small 6 gallon water heater and your incoming water in colder than normal so I installed an automatic adjustable thermostatic mixing valve on outlet of the rv tank water heater ( they use these on boiler systems) to keep the temperature at a set point also great so if the temperature went to high in the water heater it would never burn you |
I wonder if a 10-gallon water heater would fit. I've never actually seen one.
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