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 > Add water to class A while boon docking

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Gdlow

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Posted: 07/26/20 09:46am Link  |  Quote  |  Print  |  Notify Moderator

For some reason the onboard pump works to transport water inside the coach, but won't when trying to use the suction port to fill the water tank from a non pressurized system. Anything I could check to troubleshoot? I maybe doing it wrong...been known to happen[emoticon]
Scondly, If I use a portable pump attached to a drill will this fill the tank if set on tank fill on the service panel?
Inquiring mind needs to know...thanks


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gbopp

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Posted: 07/26/20 10:15am Link  |  Quote  |  Print  |  Notify Moderator

I didn't realize some RV's had suction ports to draw in water.
Don't you have a regular gravity fill where you use a hose to fill the FW tank? That would work with a drill powered pump.

Sjm9911

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Posted: 07/26/20 10:23am Link  |  Quote  |  Print  |  Notify Moderator

You might need to go to the manual. While i dont have a rv, my TT dosent have a gravity fill. You need to set the knobs in a certian way on the pump to get the suction to work. On mine it's the same as when i wimterize it. Good luck.


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opnspaces

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Posted: 07/26/20 10:23am Link  |  Quote  |  Print  |  Notify Moderator

Are you talking about a short open stub tee'd into the tubing between the tank and pump? If so that suction line is for pumping RV antifreeze through the system when winterizing.

Take a cup of water and stick the suction line in it. Then have somebody turn on a faucet and see if the water gets sucked out of the cup.


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Sjm9911

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Posted: 07/26/20 10:29am Link  |  Quote  |  Print  |  Notify Moderator

Just fyi, i was thinking of getting a small battery drill pump or dc water pump to hook up to the city water hook up. Or even add a gravity fill to the tank. But then decided i dont do it often enough to warent that.

MountainAir05

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Posted: 07/26/20 12:07pm Link  |  Quote  |  Print  |  Notify Moderator

Yes it will suck water from a say 5 gal can to your tank. Have done it in the past when we had a tank issue and needed to get water back in the system but no city pressure line.

Tal/IL

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Posted: 07/26/20 12:39pm Link  |  Quote  |  Print  |  Notify Moderator

That suction tube is designed to pump anti-freeze into the camper water lines. I don't think it will fill the tank. You could probably pump from a container directly to the faucets.


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Sjm9911

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Posted: 07/26/20 02:05pm Link  |  Quote  |  Print  |  Notify Moderator

Tal/IL wrote:

That suction tube is designed to pump anti-freeze into the camper water lines. I don't think it will fill the tank. You could probably pump from a container directly to the faucets.


On mine it was designed from the factory like that. For both the antifreeze and filling up the water tank when you didn't have a city water hook up. Theres could be simmiler. All it does is change the input and out put of the water pump. But as said 5 gallon cans , so slow. And i only have a TT.

STBRetired

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Posted: 07/26/20 02:44pm Link  |  Quote  |  Print  |  Notify Moderator

On my Newmar, if I set the selector in the wet bay to "fill tanks" and the valves in the pump bay to "winterize", it will suck water from the external non-pressurized source and fill the tank. Takes FOREVER to fill 50 gallons this way. Think the drill driven pump would probably be faster.


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wa8yxm

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Posted: 07/26/20 03:03pm Link  |  Quote  |  Print  |  Notify Moderator

The suction port (if you have owe) if for pink stuff in the winter.. Often there is no path from the on-board pump to the tank (easily fixed but can cause issues later)

Suggest a 2nd pump for the transfer. Several kinds out there or you can just use another RV pump not that expensive.


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