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Old 01-22-2007, 08:56 PM   #1
Beaufort NC
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Location: Beaufort
Posts: 108
Default The switch to nowhere

Okay, here's a dummy question:

On the Cresendo 8356, under the sink to the left, is a wall switch with no label. It even has a nice little light that illuminates when the switch is turned one way.

Anyone know what the heck it turns on?

Pete Wenk
Beaufort, NC
'06 Crescendo with all of the bugs out, finally, maybe!
Jenn & Pete
2006 Crescendo 8356 purchased new
95k miles
Workhorse chassis
Cummins 330 ISC
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Old 01-22-2007, 09:30 PM   #2
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On our present Gulf Stream coach and our previous coach, that switch is the switch for the 110 volt electric for the water heater element.

To verify this, find your electric distribution box that has the 110v circuit breakers, turn the switch on so the red light is on at the switch, go to the breaker box and locate the breaker for the hot water tank, the legend on the box should be marked telling you which breaker it is, turn the breaker off and the switch light should go off.

I recommend that you have water in the hot water tank before doing this or just have the switch on momentarily so that you do not burn out the element with no water in the tank. Never leave the switch on without water in the hot water tank.

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Old 01-23-2007, 06:21 AM   #3
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Pete, That switch you are referring to is the hot water 110 switch, And as Ron said make sure there is water in the tank! On ours you have to turn on the switch on the heater too, So I just leave the one on the heater on all the time so I can switch from gas to elect. from inside the coach.

2005 sunvoyger, # 8368 , 2001 Jeep toad, 1-Wife, 1-Dog Tori the Maltese. FMCA 64574 Good Sam life member,,
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Old 01-23-2007, 11:54 AM   #4
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Ron, it's already been confirmed that switch IS for the electric water heater element. It already been explained not to turn on the element without water in the tank...Seems it's been all explained??? Nope, not yet! Ha Ha Ha, there's more. Just because the red light is on, doesn't mean anything regarding getting hot water!

Word is that the electric must never be turned on with no water in the hot water tank. This empty condition can occur after winterization, with tank on bypass. Of course, to prevent vaporizing your heater element, there is a Suburban-supplied switch behind the external heater access door. This switch has a pin thru the handle to prevent accidently energizing the element with the inside-your-coach unmarked switch. Too bad that apparently our coach manufacturer continues to NOT mark the inside-the-coach switch as to it's function, and continues to provide the indicator lamp that turns on regardless of the state of the all important external switch.

Wouldn't it be nice to:
1) have the switch identified?
2) have the switch indicate that electric power really is applied to the heater element?

I'm thinking maybe GS just wanted to give us something to talk about?

'05 Sun Voyager #8351
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Old 01-23-2007, 09:57 PM   #5
Jim Davis
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Default You answered the same question for me too!

I have a Gulfstream Tour Master and the 110V Water heater works great when you know what turns it on! I have 2 switches in our bedroom on one side. One turns on the indirect lighting but the other dosen't seem to do anything. Any ideas? Thanks .......... Jim
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Old 01-24-2007, 07:53 AM   #6
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Isn't the second switch for the overhead lights?
2007 Tour Master T-40C
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Old 01-24-2007, 11:40 AM   #7
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...and there is probably a switch on the actual overhead light fixture that is turned off.

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