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Old 08-07-2020, 09:15 AM   #1
ake
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Hot water

I have a 27 foot Cougar TT with a 5 gal. water heater. I find it very hard to take a shower without running out of hot water. Have not had a trailer in several years, but say 20 years ago the hot water supply was well adequate. Is that the way the newer ones are or is there something I can fix to improve my hot water supply?
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Old 08-07-2020, 09:28 AM   #2
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Quote:
Originally Posted by ake View Post
I have a 27 foot Cougar TT with a 5 gal. water heater. I find it very hard to take a shower without running out of hot water. Have not had a trailer in several years, but say 20 years ago the hot water supply was well adequate. Is that the way the newer ones are or is there something I can fix to improve my hot water supply?
Lots of variables here, starting with how you shower, but let's assume you are familiar with the "Navy shower" technique.


It's important to know what brand and model of water heater you have. I am not familiar with a 5 gal. heater, as the two major brands tend to be 6 gal. at the smallest. I include this only because your issue may be the thermostat is not correctly heating the water to the proper temperature and the thermostats are brand specific.


Your hot water should typically be ~140* F at the outlet. If it is less, then you will use more hot water in mixing for a shower and this may be your issue. As a first step, take an accurate measurement of the hot water temperature and report back.


Is your heater gas, electric, or both? If both, do you have the same issue when either source is used?
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Old 08-07-2020, 12:17 PM   #3
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Not a direct answer... but a lot of people swear by the Oxygenics shower head for RVs to reduce water usage and extend hot water time.

https://www.amazon.com/gp/aw/d/B00AZOWSJM#Ask
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Old 08-07-2020, 12:27 PM   #4
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Your other posts state you have a Suburban SW6DE water heater
That is a Direct Spark Gas AND Electric combo model


Two separate sets fo t-stats (under cover above gas valve
Left side set...120VAC set of t-stats for electric element operation

Upper one is High Temp T-stat...trips open at 170*F/manual push button reset
Lower one is the Normal Temp/controlling T-stat....Opens at 130*F/Closes at 100*F


Right side set......12VDC set of t-stats for gas operation
Upper...High Temp/170*F trips---manual reset
Lower..Normal Temp/130*F etc


6 gallon tank capacity
But...BOTH the electric and propane can be USED at SAME time for fastest heat recovery
Electric On/Off Switch is in lower left corner of outside compartment
****WH Tank MUST have water before turning electric on or you will burn element out within few minutes


Both electric/gas ON
'Navy Showers' and TWO people should be able to shower
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Old 08-07-2020, 02:48 PM   #5
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You probably actually have a 6 gallon hot water heater. You can take a medium long shower I think with the 6 gallon water heater. I never run out but I go in thinking I will not lollygag too much. I leave the water running while I soap up and then I rinse off.

I do not like a navy shower but tried it one time to see. I filled up the fresh water tank and took my navy shower. I then refilled the fresh water tank with 2.5 gallons of water.

It is not a house shower where you have 40 or 50 gallon hot water heater.
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Old 08-07-2020, 03:24 PM   #6
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Quote:
Originally Posted by Old-Biscuit View Post
Your other posts state you have a Suburban SW6DE water heater
That is a Direct Spark Gas AND Electric combo model


Two separate sets fo t-stats (under cover above gas valve
Left side set...120VAC set of t-stats for electric element operation

Upper one is High Temp T-stat...trips open at 170*F/manual push button reset
Lower one is the Normal Temp/controlling T-stat....Opens at 130*F/Closes at 100*F


Right side set......12VDC set of t-stats for gas operation
Upper...High Temp/170*F trips---manual reset
Lower..Normal Temp/130*F etc


6 gallon tank capacity
But...BOTH the electric and propane can be USED at SAME time for fastest heat recovery
Electric On/Off Switch is in lower left corner of outside compartment
****WH Tank MUST have water before turning electric on or you will burn element out within few minutes


Both electric/gas ON
'Navy Showers' and TWO people should be able to shower
And firing on all cylinders.
We missed you Old-Biscuit.
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Old 08-07-2020, 11:01 PM   #7
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Even with my 10 gallon tank I turn the flow down to about 2/3 of full pressure which gives me a good 10 minutes of continuous hot water.
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Old 08-08-2020, 02:52 AM   #8
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Check the flow rate of your shower head. With a 6 gallon water heater, you need to use a shower head that has a conservative flow rate. We have a Camco shower head, and I can take a decent shower without running out of water. If the DW is planning on taking a shower after me, I flip on the propane so the recovery is faster than just electric. I've had enough hot water even when camping in cold weather where the water is quite cold.
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Old 08-09-2020, 08:07 AM   #9
ake
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hot water

The heater is a suburban 6 gal. DSI
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