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Old 08-12-2015, 11:12 AM   #1
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1955 22' Flying Cloud
1964 17' Bambi II
Clear Lake Shores , Texas
Join Date: Nov 2013
Posts: 856

I replaced my ancient LP regulator with a new Cavagna dual bottle, auto changeover model. I will be using a single bottle much of the time to free up space on the tongue. Will the regulator work ok with just one bottle? Should I cap the unused fitting to keep out dirt, etc?

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Old 08-12-2015, 11:29 AM   #2
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2014 27' FB Eddie Bauer
Chelsea , Michigan
Join Date: May 2010
Posts: 1,622
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It should work fine. The regulator relies on the pressure of the full tank to open, no tank, no pressure, it won't open.

Do what you can to keep the unused side clean and free of dirt as you are planning to do.

Bob Martel
WBCCI# 5766
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Old 08-12-2015, 11:31 AM   #3
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
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The regulator should shut off the gas to the open line but I would look for a cap just for safety and protection of the treads.

Yes it will work with one bottle and should give you an empty bottle indication, but then again you would already know that when the stove, frig, hot water heater, or heater went off.
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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