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Old 02-25-2013, 07:49 PM   #15
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1989 34.5' Airstream 345
Saint Petersburg , Florida
Join Date: Apr 2010
Posts: 1,619
Images: 28
I've been under the bed on my 345LE (where water tank, water pump is located) and have not seen any signs of a water filter.
Of course, that's not to say that my AS didn't come with one. Seems my whole water inlet system was hacked away when someone decided that the hose reel wasn't worth repairing.
Ah, the joys of PO 'improvements'. Will try and get some pix tomorrow and post here for you.
Good Luck, Derek

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Old 02-25-2013, 10:18 PM   #16
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1983 34' Excella
1967 24' Tradewind
Little Rock , Arkansas
Join Date: Nov 2006
Posts: 3,726
Images: 32
Originally Posted by RandiLeigh View Post
I have an Excella ii and I seem to have low pressure. I am almost positive its the screen. I see the inlet where the city water connects with a water hose, but how do I access the screen?


It's deep inside the regulator. The outer housing of the regulator is held together with several screws. (The one shown here is similar, but not identical) Remove the top part held on with all the screws. There is a spring pressing against the adjuster screw sticking in at the top pressing down against a mechanism in the base. It's not going to fly out or anything, but you will notice that there is pressure against the pieces while you are backing the screws out. Take them out a little at a time moving around the regulator.

In the base (the lower part where the water enters and exits) you will see a large hexagon shaped piece. Using an appropriate socket wrench, (I seem to recall that it is over an inch-perhaps 1 1/16 or so, but it's been a while) remove the hex piece from the base. It holds the screen.

Treat the screen gently. An old toothbrush would be good to clean it. I doubt you could get a replacement if you poke a hole in it without breaking down and buying a new regulator.

Should you have to replace one of these regulators, they are not RV specific. In addition to Amazon (where I linked for the image above) they are available at plumbing supplies and hardware stores. I've seen them at Home Depot.

I hope this helps. I tried to give the details as best I can remember. I'm kind of handy with stuff, so to me it's a 3 step process:
  1. Take it apart
  2. Clean the screen
  3. Put it back together
I realize that this is a bit brief for most folks.

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Old 03-04-2013, 09:24 AM   #17
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1989 34.5' Airstream 345
Cleveland , Tennessee
Join Date: Jul 2007
Posts: 787
My '89 345 did not come to me with a regulator. I use a cheap Camco one that screws onto the hose at the water shut off. The one time I didn't use it, the campgrounds pressure ruined the head's flush valve. My filter is under the east-west bed right next to the water pump. It is the part with the blue bottom connected with braided lines.

I noticed you're in Alaska,. Could your pipes just be frozen (hope not) & not clogged?

I will be scanning in my entire maintenance book. PM me with your address & I will send you a disc copy.
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"Sometimes I wonder if the world is being run by smart people who are putting us on, or by imbeciles who really mean it." Mark Twain

AIR 22749 WBCCI 2349 NOVA TAC TN-6
1989 345 LE Classic Motorhome
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