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Old 06-02-2017, 08:48 PM   #1
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Water Heater Swap: Suburban SW6DE for SW16DE

All,

Can I do a one-for-one replacement with a Suburban SW6DE for a SW16DE? I assume I would have to do the install from inside of the interior space vice the exterior at the water heater door.

Thanks!
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Old 06-03-2017, 10:20 AM   #2
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I would think so. I have not verified this but it wouldn't surprise me that the dimensions between the two are the same except the 16 would be deeper. if so it might just slide out and you could slide the new one into the same opening. you might need to extend the water lines a bit it they do not have enough slack. the electrical and gas hookups ought to be the same. not to pry but is there a reason why you want to lower the tank capacity?
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Old 06-03-2017, 11:21 AM   #3
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Originally Posted by JnScattle View Post
All,

Can I do a one-for-one replacement with a Suburban SW6DE for a SW16DE? I assume I would have to do the install from inside of the interior space vice the exterior at the water heater door.

Thanks!
Here is the info its a straight swap from what I read. 6 gallon to 16

Suburban SW16DE Direct Spark and Electric Water Heater 16 Gallon Trailer Camper RV
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Old 06-03-2017, 11:27 AM   #4
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Originally Posted by CHICKDOE View Post
I would think so. I have not verified this but it wouldn't surprise me that the dimensions between the two are the same except the 16 would be deeper. if so it might just slide out and you could slide the new one into the same opening. you might need to extend the water lines a bit it they do not have enough slack. the electrical and gas hookups ought to be the same. not to pry but is there a reason why you want to lower the tank capacity?
Chickdoe...not lowering but want to increase from 6 gallon to 16 gallon. Still troubleshooting the outage. I initially thought it was just the electric element but have since realized that it is not even attempting to light on propane.
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Old 06-03-2017, 11:29 AM   #5
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Here is the info its a straight swap from what I read. 6 gallon to 16

Suburban SW16DE Direct Spark and Electric Water Heater 16 Gallon Trailer Camper RV
Thanks Sea Dog! I figure if we need to replace it I might as well increase my capacity. Cheers!
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Old 06-03-2017, 12:03 PM   #6
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The ad says, "The new 16 gallon unit utilizes the same sidewall cut-out opening as the current 10 or 12 gallon water heaters." Note that's it says the 10 and 12 gallon WHs, not the 6 gallon WH you're looking to replace.

Here's a video to show the size difference. The bigger one is a 10 gallon model. Definitely requires a larger cut-out.

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Old 06-03-2017, 12:04 PM   #7
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Chickdoe...not lowering but want to increase from 6 gallon to 16 gallon. Still troubleshooting the outage. I initially thought it was just the electric element but have since realized that it is not even attempting to light on propane.
Have you checked that you have 12VDC? Have you pushed in the temperature resets for both gas and electric?

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Thanks Sea Dog! I figure if we need to replace it I might as well increase my capacity. Cheers!
The American RV Co link says the 16 gal can replace a 10 or 12 gal unit, it's just deeper. However, I did not see that it would fit for a 6 gal unit. You may need to do some more checking.
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Old 06-03-2017, 06:03 PM   #8
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Originally Posted by itat View Post
The ad says, "The new 16 gallon unit utilizes the same sidewall cut-out opening as the current 10 or 12 gallon water heaters." Note that's it says the 10 and 12 gallon WHs, not the 6 gallon WH you're looking to replace.

Here's a video to show the size difference. The bigger one is a 10 gallon model. Definitely requires a larger cut-out.

Thanks Itat! I just found the same on my morning search. Appreciate you sharing!
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Old 06-03-2017, 06:04 PM   #9
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Have you checked that you have 12VDC? Have you pushed in the temperature resets for both gas and electric?



The American RV Co link says the 16 gal can replace a 10 or 12 gal unit, it's just deeper. However, I did not see that it would fit for a 6 gal unit. You may need to do some more checking.
Thanks! I had an issue with resetting the gas side. Still t/s'ing the electric portion.
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