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Old 06-19-2018, 09:18 PM   #1
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1994 Dolphin fresh water pump

Hi there, again need explication to understand how my MH work.

1994 Dolphin 434 i have 2 switch for the fresh water pump, one in kitchen we keep on to get water from fresh reservoire and the seconde one in the toilet bath room juste beside the light switch.

Whath the one in toilet serve ????.....how it should work whit two switch ????

How do you guy's use it ????

Ohh and both of those two switch are original factory from National RV !!!!

Please !!!!!
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Old 06-20-2018, 12:34 AM   #2
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Quote:
Originally Posted by shrekchatou View Post
Hi there, again need explication to understand how my MH work.

1994 Dolphin 434 i have 2 switch for the fresh water pump, one in kitchen we keep on to get water from fresh reservoire and the seconde one in the toilet bath room juste beside the light switch.

Whath the one in toilet serve ????.....how it should work whit two switch ????

How do you guy's use it ????

Ohh and both of those two switch are original factory from National RV !!!!

Please !!!!!
Sounds like you have 3-way switches for the pump, a similar setup in a residential home would be a single light fixture in a hallway, controlled by a switch at either end of the hall.

I do not have, or have ever been in a rig like yours, but some coaches are configured like this.
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Old 06-20-2018, 01:42 AM   #3
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Both switches do the same thing.
Either one can be used to turn the water pump on or off.
All of the National RVs that I've seen also have a third switch in the plumbing bay outside.
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Old 06-20-2018, 02:28 AM   #4
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If you can't turn on or off the water pump from any of the switches (including the one in the wet bay that DKStall mentioned) then it's likely that somewhere along the way the relay that makes that bit of magic work failed, and somebody bypassed it in such a way that only one switch works and the others are now useless.
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Old 06-26-2018, 04:23 AM   #5
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Thank you all for the advise....i will check for a third switch in compartiment !!!!
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Old 06-26-2018, 10:41 PM   #6
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This may help explain how the system works.
Attached Images
  
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Old 06-27-2018, 12:57 PM   #7
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This may help explain how the system works.

For sure it will....thank for sharing !!!!!
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