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Old 04-27-2018, 05:38 PM   #1
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Join Date: Apr 2018
Location: NorCal
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Year: 1995
Coachwork: Girardin
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Here's a dumb question: how high can the water pump be from the tank?

My shorty is pretty limited on space, so the fresh/grey tanks are going below. But there's no room for the pump down there, so it'll have to go up in the cabin.

I have a 24V 3.0gpm shurflo, is there any issue with have the pump be 2 or 3 feet higher than the bottom of the tank? Do I need to put a check valve on the outlet of the tank to keep the line full of water? Or is it an issue if it sucks water up to pump, then the pipe drains and fills with air, only to repeat the process every time I use water?

Thanks for helping out a new guy.
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Old 04-27-2018, 05:49 PM   #2
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Quote:
Originally Posted by TheArgobus View Post
My shorty is pretty limited on space, so the fresh/grey tanks are going below. But there's no room for the pump down there, so it'll have to go up in the cabin.

I have a 24V 3.0gpm shurflo, is there any issue with have the pump be 2 or 3 feet higher than the bottom of the tank? Do I need to put a check valve on the outlet of the tank to keep the line full of water? Or is it an issue if it sucks water up to pump, then the pipe drains and fills with air, only to repeat the process every time I use water?

Thanks for helping out a new guy.
The pump, or the website, should have a flow v. lift graph either in the manual or on the web.

The pump rating is for 0 lift (head) and no obstructions like 90 degree bends, etc.
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Old 04-27-2018, 07:02 PM   #3
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Join Date: Apr 2018
Location: NorCal
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Year: 1995
Coachwork: Girardin
Chassis: E-350
Engine: 7.3L Powerstroke
Boom, there it is: Self-Priming Up To 10 Ft. Vertical
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