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Old 02-22-2009, 02:17 AM   #1
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RedneckExpress's Avatar
Vintage RV Owners Club
Join Date: Jul 2006
Location: Sauvie Island, OR
Posts: 2,596
Some of you may or may not remember BradW's handy 7 gallon portable water filling solution from a long time ago.

7-Gallon Water Jug With Pump

Originally Posted by BradW 'From '7-Gallon Water Jug with Pump'

Iím sure someone else has done this before me, but I thought I would posts some photos anyway. We sometimes camp at places that donít have water, so we carry along some extra water jugs. Some other places we camp have water, but no way to hook up a hose to refill the supply tank on our truck camper.

I got tired of standing with a 7-gallon water jug on my head trying to refill or supply tank, so I added a $17 12 volt bilge pump to the water jug cap. Both have a 3/4Ē pipe thread fittings and just screw together. I can now empty the 7-gallon water jug into the supply tank in under 2 minutes.

It is also useful for putting RV antifreeze into the supply tank for the annual winterization. I just pour all the pink stuff into the 7-gallon jug and pump it in.

The jug and pump are available at Walmart.

I liked this project quite a bit, and built my own version of it after a fashion, substituting a 10' standard RV hose for the black marine hose that BradW used.

However, as handy as this was, doing this 4-5 times in a row to refill the onboard tank got old, really fast. Not to mention, I could never get the pump to stay in put, it would always try and turn when you unscrewed the lid from the jug.

So, a long while back, I started a couple threads (on asking about details on those big 30 gallon plastic barrels. After gathering the information I needed, I wound up waiting a couple years until I eventually had built my front cargo rack (next project thread to be posted).

I did a search on Craigslist and found a used Peach Flavoring barrel from Kerry Foods for $25 that came with twin plugs that had 3/4 threading in them for the attachment of pipe.

I wound up building this, using the pump I had originally been using with my jugs:

(Click Image to view enlarged)

The tank has two ball valves, PVC because I couldn't find an affordable brass one. The upper one is the breather and is raised up above the top of the tank to facility a full fill. The lower one has a male garden hose thread on it, which the modified pump assembly attaches to.

I use a double-female coupler to fill the tank via regular RV hose, simply screw on double female, attach RV water hose in normal fashion, then open both ball valves and turn on the faucet. Your standard water pressure is more than sufficient to bottom fill the tank 30 gallons. When it reaches full, I close the bottom ball valve and then turn off the spigot.

The other advantage of the auxillary is I can take it, an RV hose and a water thief to the filling spigot in most USFS campgrounds and fill the tank while leaving the camper behind at camp, which allows me to refill the tank from bone dry in one trip.

With both tanks full, I start out with 60 gallons of fresh water to work with. This came in rather helpful while I was touring Whidbey Island with my wife-to-be, Dawn. The Washington SPs shut off the water spigots at the campsites during the winter to prevent freeze damage. The only water supply is the potable water faucets back at the dump station. Depending on the park, the dump station is a mile or so away.
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