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Old 08-30-2010, 09:38 AM   #1
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1976 31' Sovereign
Springfield , South Carolina
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PO left this in Sovereign, what do I do with it?

PO (one of four I guess based on stuff I found in rig ) left a rather unique piece of equipment I never saw before.
It appears to be a adaptor to screw into a external water line hook up and there is a tire valve in the other end.
My guess this is something to aid in purging lines at end of season????

How is this to be used?

Is it really effective for purging water lines?

Is there a sequence steps to do the purge?

Obviously I don't want to hook this to a compressor and lay the high pressure air to it and I am guessing take great care and not exceed 40 lbs?
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Old 08-30-2010, 09:44 AM   #2
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Originally Posted by Hummer View Post
PO (one of four I guess based on stuff I found in rig ) left a rather unique piece of equipment I never saw before.
It appears to be a adaptor to screw into a external water line hook up and there is a tire valve in the other end.
My guess this is something to aid in purging lines at end of season????

How is this to be used?

Is it really effective for purging water lines?

Is there a sequence steps to do the purge?

Obviously I don't want to hook this to a compressor and lay the high pressure air to it and I am guessing take great care and not exceed 40 lbs?
Your reasoning is correct. Yes, regulate the air pressure to 40 psi.
Neil.
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Old 08-30-2010, 02:40 PM   #3
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Just as a related issue I had when I got my trailer: When I tried to pressurize my water system with the water pump on, the water ran out the pop off valve. When I took the valve apart, it was stuck in the wide open postilion by being over opened. My guess is the previous owner winterized it by using shop line pressure air to the lines. My shop pressure is 120 pounds. I'm thinking that shock pressure of air, over opened the pop off valve and caused it to stick open.

I flipped the valve back into it's seat and it's holding fine. Just a . . . FYI.

Gary
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Old 08-30-2010, 03:51 PM   #4
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It's an effective way to clear the lines. I didn't do it last year and got to replace some broken lines this spring - so put it to good use!
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Old 08-30-2010, 07:23 PM   #5
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1976 31' Sovereign
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OK, thinking out loud here I assume I run pressure to 40 PSI and open the furtherest faucet first and work back to the intake line?

Then when I get through I should be able to pressure up to 40 and get no water on any faucet?

Where is the pop off valve located on 76 Sovereign?

When I got the rig a month ago it came with four burst lines so I have been there and done that.

PEX will probably be a next year project. First the Univolt is getting replaced and then I have to rebuild an under cabinet to hold the plastic drawer/trays.
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Old 08-30-2010, 08:15 PM   #6
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Where is the pop off valve located on 76 Sovereign?
My trailer is a middle bath, so the pop valve is located at rear street corner right beside the regulator.

Gary
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Click on the link to see a picture of the Sioux River falls near my home.
http://img.photobucket.com/albums/v1...g?t=1278182564
Eastern South Dakota is very pretty with hills, rivers, and trees.
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Old 08-30-2010, 09:19 PM   #7
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1976 31' Sovereign
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I blew out the lines in my '76 Sovereign last fall and found no leaks this year. I simply use an air gun on the air hose and blow back through the faucets. I wrap a rag around the faucet/air gun and blow. First, I pumped the main tank out, then drained the hot water heater. I began blowing through the lines at the kitchen sink with faucet turned to cold and then repeated on hot. Next I removed the flexible shower water line and blew into the exposed fitting, again hot and then cold. Then the bathroom sink faucet in the same manner. I reached my foot over and held down the water pedal on the commode while blowing through the bathroom cold water faucet. Drain the holding tanks and put antifreeze in the sink traps. That did it for me.
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Old 08-30-2010, 09:33 PM   #8
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I reached my foot over and held down the water pedal on the commode while blowing through the bathroom cold water faucet.
I had to read that part twice:-)

Gary
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Click on the link to see a picture of the Sioux River falls near my home.
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Old 08-30-2010, 09:50 PM   #9
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Yeah that does conjur up a rather unique picture in one's mind haha.
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