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Old 09-03-2007, 10:03 AM   #1
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1/2", 5/8" or 3/4" hose for the supply of fresh water??? or does it really make any difference!!!
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Old 09-03-2007, 10:03 AM   #2
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1/2", 5/8" or 3/4" hose for the supply of fresh water??? or does it really make any difference!!!
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Old 09-03-2007, 10:24 AM   #3
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Most likely the flowrate will be limited by the size of pressure regulator you choose to protect your hose and the RV plumbing from high water pressure in some RV Parks. I use a Camping World acquired Watts adjustable regulator which is aready set up with hose inlet and outlet, plus a built-in gauge (I've set mine at 45 psig). Some folks buy a 3/4" regulator at Lowes or Home Depot and fit it with hose fittings to get more flowrate in which case one would want to use a larger diameter hose.
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Old 09-03-2007, 03:22 PM   #4
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Hose size aside,you want to use the white hoses rated for RV use.Not a garden hose.
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Old 09-03-2007, 04:36 PM   #5
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Get a hose the same size as the water line it attaches to in the motor home. A larger hose and the water line is the restriction, a smaller hose and the hose is the restriction.
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Old 09-03-2007, 06:18 PM   #6
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Definitely white for sure and likely 5/8"
thanx Rick
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Old 09-03-2007, 07:21 PM   #7
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Another thing to consider is the flow rate available if you use an external filter--they can range from 1 gpm to about 3.5 gpm (at least according to the Camping World cattledog).
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Old 09-03-2007, 08:09 PM   #8
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There are green garden water hoses that are rated drinking water safe (and cheaper than white ones). I've used them for about 15 years and I'm still here.
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Old 09-04-2007, 04:55 AM   #9
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I have a 50' brown hose that is drinking water safe.

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Old 09-06-2007, 01:22 PM   #10
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The larger the size the more water volume only. Pressuer depends on what is supplied restriction on the line. (water filters, pressure regulators)
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Old 09-06-2007, 02:22 PM   #11
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The larger the hose the better provided your regulator is not restricting you. Get whole-house regulator and you will not have volume problems. The little inline regulators sold by Camping World and other places are way too small to allow sufficient water flow.

The regulator is usually not sold with hose connections, but piping adapters can correct that.

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Old 09-09-2007, 08:05 AM   #12
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I agree with TXIceman. The camping world pressure regulators are too small. We spend 5 months in Maine in a campground that has well water. At peak usage time I could not get any flow until I did two things: 1- change to a 5/8" hose and 2- change from a charcoal, 5 micron filter, to a 50 micron sediment only filter. At times of no usage I only get 22 psi at the source. It drops to 12 psi when a faucet is opened. I certainly don't need a pressure regulator further hindering water flow. At times of low water usage I can actually take a shower on the well system. Other tmes the "on demand" pump is a must.
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