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Old 05-09-2022, 07:14 PM   #1
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2007 power cord reel compartment..WHAT IS THIS?

National Pacifica 2007
I have this little power box on the side wall of the power cord reel compartment. Can anyone PLEASE tell me what it is and how to use it. Thanks....Dennis
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Old 05-09-2022, 07:26 PM   #2
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It typically used as a Relay to provide power to your water heater element. You likely have a 'Water Heater' switch on your power panel inside the RV, flip that switch ON and the relay inside that box closes, supplying 120 Vac to the water heater element.
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Old 05-17-2022, 02:43 PM   #3
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Originally Posted by PacificaDen View Post
National Pacifica 2007
I have this little power box on the side wall of the power cord reel compartment. Can anyone PLEASE tell me what it is and how to use it. Thanks....Dennis
It's for the block heater
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Old 05-17-2022, 03:23 PM   #4
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Quote:
Originally Posted by Jim_HiTek View Post
It typically used as a Relay to provide power to your water heater element. You likely have a 'Water Heater' switch on your power panel inside the RV, flip that switch ON and the relay inside that box closes, supplying 120 Vac to the water heater element.

It is a Normally Open Relay
* often used for water heater element
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Old 05-17-2022, 03:25 PM   #5
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Block heater

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Originally Posted by Romil View Post
It's for the block heater
My 1999 TW has a receptacle at that location for the block heater. It is powered by a switch on the console to the left of the driver. It can be used for any thing that requires 120 VAC.
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Old 05-17-2022, 03:47 PM   #6
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My 1999 TW has a receptacle at that location for the block heater. It is powered by a switch on the console to the left of the driver. It can be used for any thing that requires 120 VAC.
Correct
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Old 05-17-2022, 03:53 PM   #7
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It is a Normally Open Relay
* often used for water heater element
I have a switch on my utility panel that states "water heater 110v 12v" . My water heater is not connected to this circuit in storage which is controlled from the dash. Why have a redundant switch?
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Old 05-17-2022, 08:39 PM   #8
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I have a switch on my utility panel that states "water heater 110v 12v" . My water heater is not connected to this circuit in storage which is controlled from the dash. Why have a redundant switch?
Some ....water heater electric switches are inconvenient to access so RV MFGs install another switch/relay inside the RV
*switches inside the Utility Bay/Wet Bay are for conveniency

So many different means/methods for same outcome
Hot Water
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