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Old 08-31-2015, 06:29 PM   #1
hht
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Question Slow Heating Suburban Water Heater

I have a Suburban SW6DE water heater that I have a question, on but was unable to post it in the appropriate section, so I'll try here:
My trailer is parked in a permanent location, and exclusively on propane. My water heater used to work great, really fast hot water, like maybe 10 minutes. This past winter it was taking *forever* to heat a 6 gallon tank of water.... as long as 35-40 minutes! I took it apart and cleaned everything and flushed the tank. None of that helped at all. Does anyone have any thoughts on what the problem could be? I really don't want to buy a new heater, because this should be fixable, somehow. Thanks!
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Old 08-31-2015, 06:47 PM   #2
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Out of curiosity have you tried electric?
Btw there is no "specific" water heater forum.
35 40 minutes is not that long if water was @ room temp.

Was you in the library or files section trying to post?

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Old 08-31-2015, 06:56 PM   #3
hht
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I am *way* off grid on solar, so propane only.
This heater used to heat water very fast, as I said.....10 minutes.
I first noticed the l-o-n-g wait time for hot water last winter. This is something new and different. I will be going south in November so hope to have either an answer or a new heater by then.
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Old 08-31-2015, 07:00 PM   #4
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I never had hot water that quick.
That being said Is your hw by pass valves all turned fully?
Are your outside shower knobs turned on slightly allowing cold to mix with hot in either case?

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Old 08-31-2015, 07:05 PM   #5
hht
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I have never touched the bypass valves season to season, so I assume they are where they always were, but I will check.
No, outside shower knobs are always off. I am on water catchment in the desert where the trailer is, so rain water is hoarded in above ground tanks, and we never let any water be wasted ;-)
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Old 08-31-2015, 07:06 PM   #6
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Turbs, Do you have the same water heater that I do? The Suburban SW6DE 6 gallon?
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Old 09-01-2015, 12:52 PM   #7
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Perhaps you could write to

Suburban 6 Gallon Water Heater SW6DE - $329.99

and ask what the normal time frame is for your heater? I have included a link for you - you may have to copy and paste. Sorry about that. Good luck!
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Old 09-01-2015, 01:06 PM   #8
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On a side note, usually plumbing general questions for RV non model specific questions are posted in the plumbing section located here:

Plumbing and Water Systems & Fixtures - Forest River Forums

I will move this entire thread to that location in short order.

However, if you are trying to post a question in the "water heater" FAQ section, those threads are not open for posting, questioning, etc....and state such in the description. The site team takes relevant and helpful posts from the other threads in these forums, and places them in the FAQ section to better help the members.

Forest River FAQs (3 Viewing)
FAQs and links to discussions covering the most common topics for Forest River RV owners. This section is closed to new posts to preserve the information.
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Old 09-01-2015, 01:17 PM   #9
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What does the flame sound like when it's lit? Is it the same as before you started having problems?

Do the stove and oven flames look the same as before.

It could be that spiders or mud daubers have built in the burner or heat exchanger tubes.
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Old 09-01-2015, 01:21 PM   #10
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Quote:
Originally Posted by hht View Post
I have a Suburban SW6DE water heater that I have a question, on but was unable to post it in the appropriate section, so I'll try here:
You may have been trying to post the FAQ section, and only moderators can move threads to that. I have moved your thread to this forum (Plumbing and Water Systems & Fixtures).

Edit: Whoops, wmtire beat me to it.
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