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Old 01-10-2019, 01:25 PM   #1
Rivet Master

1966 22' Safari
1955 22' Flying Cloud
Fredericksburg , Texas
Join Date: May 2015
Posts: 1,777
Type of Copper?

We are to the point on the 55 where I need to start connecting the propane lines to the appliances as I install. I plan on using 1/2Ē main trunk line attached to the belly pan and branch off with 3/8Ē tubing and a valve to each appliance. Iím using double flares since I have the tool. I wanted to use soft K copper tubing due to the thicker wall over L. Iím having a tuff time finding a small quantity of K, so I may just go with L. Does anyone see a problem with short runs of L along the belly pan as long as I sleeve it with water hose or PEX? Or, does anyone know a good source for small quantities of soft K tubing? Thanks
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Old 01-10-2019, 01:31 PM   #2
Rivet Master
AlinCal's Avatar
1991 25' Excella
2011 19' Flying Cloud
Santa Ynez , California
Join Date: Jan 2017
Posts: 1,177
Your fine with L soft. That's what airstream uses asfaik. K is overkill
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Old 01-10-2019, 01:36 PM   #3
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A W Warn's Avatar

2000 25' Safari
1999 34' Excella
Davidson County , NC Highlands County, FL
Join Date: Aug 2006
Posts: 4,336
Either K or L is ok for gas fuel. L is more appropriate for what you are doing. Read here>

Last pipe I replace I found it at Ace Hardware, cut to length at the store.
2014 Silverado LTZ 1500 Crew Cab 5.3L maximum trailering package
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Old 01-10-2019, 04:54 PM   #4
Rivet Master

1966 22' Safari
1955 22' Flying Cloud
Fredericksburg , Texas
Join Date: May 2015
Posts: 1,777
Thanks for the input. Thatís exactly what I was looking for. One problem solved and time to move on to the next, HVAC ducting in a 55.
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