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10-27-2012, 01:01 PM
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#1
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Senior Member
Join Date: Jan 2012
Location: Elizabethtown
Posts: 127
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What's this valve for??
In the pic below you will see a brass valve near the bottom of the pic (by the wires). The white line this valve is on penetrates the floor. I'm assuming it goes to the fresh water tank. When winterizing (drawing antifreeze) does it matter if this valve is open or closed?
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10-27-2012, 02:49 PM
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#2
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Senior Member
Join Date: Feb 2011
Location: Germantown, TN
Posts: 4,923
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Having a hard time seeing the valve, but on mine I close the valve going to the fresh water tank when pulling antifreeze. If not, it will just pull air from the tank.
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10-27-2012, 03:53 PM
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#3
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Moderator Emeritus
Join Date: Apr 2011
Location: Michigan
Posts: 9,424
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Quote:
Originally Posted by tafische
snip...... If not, it will just pull air from the tank.
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...or possibly put antifreeze in the tank (?), I close mine as well when winterizing.
Bob
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10-27-2012, 06:51 PM
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#4
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Senior Member
Join Date: Dec 2010
Location: Central PA
Posts: 1,236
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X2
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Tracy from Central PA
2010 Jayco 17Z Ex-Port
2004 Ford Explorer V8 with the tow package
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Nights Camping 132 - Nights Camping in My Z 102
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10-27-2012, 11:58 PM
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#5
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Senior Member
Join Date: Jun 2011
Location: Waterloo, IA
Posts: 102
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x3. I closed mine as well when winterizing. Also found out that you have to have the system pressurized with water via pump before you change the valves and pull in the antifreeze. Antifreeze replaces the water in the lines, but won't get pulled in to replace air if you've drained all the water out.
John
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John
2012 JayFlight 32TSBH (Elite, Thermal, Tech Packages, Power Awning)
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10-28-2012, 10:55 AM
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#6
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Senior Member
Join Date: Mar 2010
Location: north central Iowa
Posts: 308
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I drain everything first and then pump in the RV antifreeze. Works fine. I do shut off the valve for the fresh water tank, bypass the water heater, and open the valve for the antifreeze tube.
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10-28-2012, 06:50 PM
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#7
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Senior Member
Join Date: Dec 2010
Location: Central PA
Posts: 1,236
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Quote:
Originally Posted by Forgvn77
x3. I closed mine as well when winterizing. Also found out that you have to have the system pressurized with water via pump before you change the valves and pull in the antifreeze. Antifreeze replaces the water in the lines, but won't get pulled in to replace air if you've drained all the water out.
John
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I drain the water before I pump the antifreeze into the system. I have not had any problem pulling the antifreeze into the empty water lines.
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No I am NOT retired. I work full time.:D
Tracy from Central PA
2010 Jayco 17Z Ex-Port
2004 Ford Explorer V8 with the tow package
2010 Camping Stats
Nights Camping 132 - Nights Camping in My Z 102
2011 Camping Stats
Nights Camping 107
2012 Camping Stats
Nights camping 133 - Nights camping in my Z 128
2013 Camping Stats
Nights Camping 66 Nights
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10-29-2012, 03:34 AM
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#8
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Senior Member
Join Date: Jun 2012
Location: Sparta, TN
Posts: 1,174
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Quote:
Originally Posted by Forgvn77
...... Antifreeze replaces the water in the lines, but won't get pulled in to replace air if you've drained all the water out.
John
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If that were true you would never get water to fill the lines initially using the pump
Drain the water first. This will drain water away from the city water connection. Otherwise when the antifreeze is pumped in it won't replace the water at the city water check valve since there is no flow at that point.
Open fresh water tank drains. Close the valve between the fresh water tank and the pump. By pass the water heater. Open all faucets. Open low point drains. When the water stops flowing close the low point drains. Optionally you could blow air through the line (less than 35 PSI). Close all faucets. Open valve between pump and antifreeze suction hose. Turn on pump. Open each faucet until antifreeze is flowing. Allow enough to fill the sink traps. Don't forget the toilet and the outside shower. Close the suction line valve. Drain the water heater. Done.
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Chuck - Sparta, TN
2012 Jay Flight 22FB, 2 x Honda EU2000i
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EDUCATION is what you get when you read the fine print.....
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10-29-2012, 06:29 AM
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#9
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,861
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I would love to input to your question, but can't see what that valve controls. Some of the older tt's don't have them all grouped together so it take some insight and imagination to figure it out.
Good luck.
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10-29-2012, 06:58 AM
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#10
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Senior Member
Join Date: Jun 2012
Location: Sparta, TN
Posts: 1,174
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It took some close study of the picture. What I see is two valves where you see the brass fittings and the valve knobs are faced downward. The upper one is to turn on the suction line that is placed in the jug of anti freeze. The lower one is to shut off the line to the fresh water tank.
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Chuck - Sparta, TN
2012 Jay Flight 22FB, 2 x Honda EU2000i
2013 GMC Yukon XL Denali AWD
EDUCATION is what you get when you read the fine print.....
EXPERIENCE is what you get when you don't.
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