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Old 12-19-2015, 03:10 PM   #1
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Join Date: Feb 2012
Posts: 6
dual regulaters

I have a 2005 Cardinal 29LE. I have two propane tanks. When running the furnace on the tank that is on the dual regulator side of the trailer the furnace works great. If that tank runs out, and I switch over the other propane tank will not run furnace. For some reason on the tank opposite this one, there is another regulator which the hose goes through and to the main dual regulator. Is the second regulator necessary?

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Old 12-19-2015, 03:28 PM   #2
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Join Date: Oct 2010
Posts: 494
Yes it is for safety you may have a bad hose that hooks up to tank they have a safety check valve in them that sometimes get stuck in closed position. Sometimes if you turn tank on too quickly that happens Just shut off tank let it sit awhile then slowly turn the valve on an see if that works otherwise the hose may be bad. I had to replace one on my trailer that was bad.


2001 Ford F-350 DRW 7.3
2011 25 RL Wildcat
former fiver 1976 Fourwinds had for 35 years
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Old 01-09-2016, 09:24 PM   #3
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Location: Hanover
Posts: 249
X2 to what onetonford said. Replaced both tank wips in less than 2 years, started out having same problem.
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