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Old 03-12-2015, 02:00 PM   #1
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Need small water pump to pump gray water to blue boy.

We work it out so we never have to use the blue boy for black tank but use it for gray water when we stay for more than 2 days at campgrounds that don't have sewage. Many times the location of the camper drain valve and the layout of the ground makes it difficult to get the full blue boy to the back of the vehicle to drag to the dump. Anyone use a small water pump to get the water to where the blue boy is hooked to the vehicle? At most a 30 foot run using a garden hose.
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Old 03-12-2015, 02:23 PM   #2
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I do not do that but the best way would be to simply buy a cheap electric power drill and use a drill pump like plumbers use to drain out hot water tanks. they are very small and simply attach to a standard drill. Basically a simple paddle wheel design.
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Old 03-12-2015, 03:02 PM   #3
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You can find them at Home Depot: 200 GPH Drill Pump-DRP-1 - The Home Depot

Good luck,
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Old 03-12-2015, 03:21 PM   #4
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I wonder if you had the blue boy in the bed of the truck if that drill pump would work to pump the gray water uphill.
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Old 03-12-2015, 03:54 PM   #5
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Originally Posted by dmdrj5 View Post
You can find them at Home Depot: 200 GPH Drill Pump-DRP-1 - The Home Depot

Good luck,
Don

Yep. That is what I was thinking. Should work out well for very little investment.
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Old 03-12-2015, 04:30 PM   #6
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Just an option.

12 Volt Marine Utility Water Pump

Might last longer, take off the clamps and install a 4 pin connector and plug it into your TV.
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Old 03-12-2015, 06:16 PM   #7
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Good ideas on the drill pump and the electric pump. I am leaning towards the electric because it would be my luck (read: carelessness) to have the drill run down and then I am out of luck. Thanks everyone!
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Old 03-12-2015, 06:24 PM   #8
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Another option may be to use the sewer cap that has a garden hose hookup and use a short piece of hose (just used for grey water) . I'd think the bit of pressure would get the water to the blue boy. Maybe not though?
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Old 03-13-2015, 12:43 PM   #9
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Pump

I have the HF pump and use it to refill water tank from 6gal jugs. Use lengths of garden hose. Wired a 12v outlet by the fill and use a cigarette style plug. YOU MUST prime the pump first, but yours should do itself as it will be lower than the tank. As mentioned, get the cap that takes a garden hose.
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Old 03-13-2015, 01:15 PM   #10
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Quote:
Originally Posted by Ford Idaho View Post
12 Volt Marine Utility Water Pump

Might last longer, take off the clamps and install a 4 pin connector and plug it into your TV.
I have this exact one and it will pump up into your truck bed if desired.
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Old 03-13-2015, 01:50 PM   #11
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I have this exact one and it will pump up into your truck bed if desired.
So, if you one of those garden hose adapters on your gray water tank outlet a short piece of hose to the pump and a longer piece of hose from the pump outlet to the blue tank up in the TV bed, is the pump OK basically holding back the pressure from a full gray water thank? Does the pump handle what would be gravity fed I assume somewhat large inflow without unexpected things happening.

Having the blue tank in the TV bed would certainly be handy instead of dragging it around the CG to the dump station.
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Old 03-13-2015, 02:03 PM   #12
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This may be more than you need, but Camping World just happens to have a sale on new sale on waste pumps!
FloJet RV Waste Pump Kit - Xylem 18555000A - Drain & Flush Systems - Camping World
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Old 03-13-2015, 03:07 PM   #13
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Originally Posted by Kanga99 View Post
So, if you one of those garden hose adapters on your gray water tank outlet a short piece of hose to the pump and a longer piece of hose from the pump outlet to the blue tank up in the TV bed, is the pump OK basically holding back the pressure from a full gray water thank? Does the pump handle what would be gravity fed I assume somewhat large inflow without unexpected things happening.

Having the blue tank in the TV bed would certainly be handy instead of dragging it around the CG to the dump station.
I haven't used it expressly for your purpose. Some CG's don't allow you to run hoses to refill your fresh water so I do the 5 gallon pail with the pump thing. I imagine it would do fine for your needs.
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Old 03-13-2015, 08:56 PM   #14
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Flojet rv waste water pump

For three years I have used the 12 volt flojet waste water pump which hooks to the trailer sewer outlet. I only use it for grey water and use it to pump into a 70 gallon tank in the back of the pickup. It doesn't take long to pump 70 gallons. I have used it for black water once but I would hate to have the pump plug up when using it for black water.

It has a fuse in the handle and will blow the fuse if you run the pump dry. Many people think they have burned up the motor when it is only the fuse.
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Old 03-13-2015, 09:16 PM   #15
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Just mount a regular rv water pump to the blue tank and plug the pump into the tv. I would take all the screens etc out of the pump.
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Old 03-13-2015, 09:29 PM   #16
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Blue tank pump

Have had exact same problem in the past with sewer discharge not easily accessible What I have done is use the sewer cap with garden hose hooked to outlet and always had enough water pressure to fill blue tank at front of camper. Little slow but cheap setup.
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