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Old 06-01-2016, 05:20 PM   #1
Join Date: Jul 2015
Location: Houston
Posts: 54
Hot water is TOO HOT !

We have a new 2016 Jay Flight 27BHS. Trailer so far is beyond expectations, BUT the hot water is too hot. I cannot find any information that i received with the trailer regarding how to adjust the water temp. This is using the electric side of the water heater btw. Any info is appreciated....


2016 JayFlight 27BHS
2007 F150 SuperCrew (150"wb) 5.4L 3:55 diff
2006 Expedition Limited 5.4L 3:73 diff
2002 Sportsmen 2405 (sold)
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Old 06-01-2016, 05:23 PM   #2
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You cannot adjust the water tempetature on these new water heaters. What many people do is crack open the bypass valve to mix a little cool water into the hot water stream.

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Old 06-01-2016, 05:23 PM   #3
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The only way would to be replace the thermostat, they are not adjustable. It is attached to the outside of the tank.
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Old 06-01-2016, 06:13 PM   #4
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Those two options given by Jaygiven and Grumpy are pretty much the only options you have.
Here's a video on how to install a water heater thermostat:

Or, as Jaygiven said, just slightly open the water heater bypass on your heater. This will allow some cold water past the water heater and it will mix in with the hot water lines. This is a trial and error exercise. Keep adjusting until the temperature is what you desire.

On the other hand, having the water be very hot can help with the shower. Because you will be cooling the water down at the shower faucet, you will be using less hot water and some cold water and your hot showers can last longer before you use up all the hot water in the hot water tank. Personally, we take military showers and using up the hot water is NEVER an issue for us, but for some folks that have full hookups and don't worry about water conservation, they can run out of hot water during their shower, as the HW tank is usually only about 8 gallons. That is way more water than we ever use to take a shower.
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Old 06-01-2016, 06:31 PM   #5
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If you have small children in the RV then excessively hot water can be a risk. No water heater should produce scalding water.

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