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Old 04-30-2016, 11:54 AM   #29
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Has anything changed on newer (2015) AS when it comes to water pressure regulation? Is it still a good idea to use an external pressure regulator to protect the hose, etc?
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Old 04-30-2016, 02:54 PM   #30
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Yes, we use an external pressure regulator to protect the hose and external water filter. Otherwise, we wouldn't bother - we just dislike the potential of a burst hose and gallons of potable water all over the campsite.
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Old 04-30-2016, 08:56 PM   #31
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I saw that on your blog. Do you still like the SS one you list?

I am thinking of going with the lower end Camco blue filter for now.
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Yes, we use an external pressure regulator to protect the hose and external water filter. Otherwise, we wouldn't bother - we just dislike the potential of a burst hose and gallons of potable water all over the campsite.
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Old 04-30-2016, 09:09 PM   #32
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I don't think a second pressure regulator is needed, and I don't think it will protect the hose.

I think the hose bursts from sitting in the hot sun with a volume of water trapped in the hose between the campground backflow prevention valve and your Airstream's closed water system. The water expands and the hose material is the weakest link.

A better hose protection device that also protects your Airstream plumbing from expansion damage is a water pressure accumulator mounted inside the Airstream and connected to your Airstream plumbing.
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Old 04-30-2016, 11:24 PM   #33
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Water Pressure Regulator Device

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I saw that on your blog. Do you still like the SS one you list?



I am thinking of going with the lower end Camco blue filter for now.

Yes, we still like the SS Camco regulator. Again, it's nice to have, not necessarily required. We like to think it protects the hose, etc. and so we use it. Pretty cheap insurance, really.

Dkottum may be right about the accumulator, btw. We have no idea.
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Old 04-30-2016, 11:32 PM   #34
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I don't think a second pressure regulator is needed, and I don't think it will protect the hose.

I think the hose bursts from sitting in the hot sun with a volume of water trapped in the hose between the campground backflow prevention valve and your Airstream's closed water system. The water expands and the hose material is the weakest link.

A better hose protection device that also protects your Airstream plumbing from expansion damage is a water pressure accumulator mounted inside the Airstream and connected to your Airstream plumbing.

Hi, Doug; I have been in camp grounds that have around 100 lbs of water pressure and for these I use an external water pressure regulator. This is to protect my hose and filter. Do you really think an accumulator will prevent this? I don't know the rating of a water hose, but I think 100 lbs is too much for one.
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Old 05-01-2016, 02:46 PM   #35
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How long has AS been using the internal regulator, what is its expected service life, where is it located and can it be replaced by an AS owner?
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Old 05-01-2016, 05:09 PM   #36
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How long has AS been using the internal regulator, what is its expected service life, where is it located and can it be replaced by an AS owner?
James

Hi, I don't know how long Airstream has been using a built-in water pressure regulator, but it is located, and part of, your water inlet.
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Old 05-01-2016, 09:23 PM   #37
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AS has these parts for around $40, we were at a State Park last summer and before I knew it, it blew out the AS regulator. Stop in Denver and fix in 1 hour, now I check water at all camp grounds, and all better to be safe than sorry.
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Old 05-03-2016, 08:48 PM   #38
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What pressure is the AS regulator set at?
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Old 05-03-2016, 09:15 PM   #39
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60 psi, iirc.
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Old 05-03-2016, 09:22 PM   #40
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Thanks!
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60 psi, iirc.
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Old 05-03-2016, 09:35 PM   #41
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Hi, Doug; I have been in camp grounds that have around 100 lbs of water pressure and for these I use an external water pressure regulator. This is to protect my hose and filter. Do you really think an accumulator will prevent this? I don't know the rating of a water hose, but I think 100 lbs is too much for one.
Bob, I think it will certainly help. I think an RV water pressure regulator at the spigot controls pressure only while there is water flowing through it. After that the campground back flow prevention device locks the water in your hose and the pressure throughout your hose and Airstream water system equalizes right to the faucets.

Then if there is thermal expansion in system due to heating of the hose in the sun and heating in the water heater, and there will be, it is up to the elusive air "bubble" in the water heater to take up that expansion. Or relief by the water heater thermal/pressure relief valve.

If these fail to protect your system and hose from thermal expansion, a water pressure accumulator can provide expansion space.
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Old 05-04-2016, 08:03 AM   #42
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