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11-08-2013, 09:45 PM
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#1
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Junior Member
Join Date: Oct 2013
Location: Gallatin Gateway, MT
Posts: 13
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Multiple propane tank hookup
What happens when using an extend-a-stay with 2 60# cylinders connected in parallel as the auxiliary and the main tank is a 40# (OPD). The output of the extend-a-stay is connected to a throw over regulator. Will this work and will the 2nd 40# tank take over when the 3 tanks (in parallel) are empty?
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11-09-2013, 03:04 AM
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#2
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Moderator Emeritus
Country Coach Owners Club Appalachian Campers Gulf Streamers Club
Join Date: Mar 2000
Location: Chattanooga, Tn.
Posts: 12,060
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If the ASME tank valve is connected to one input side of crossover regulator and the two 60# cylinders are connected to the other input of the crossover valve, the ASME tank service valve is open and the 60# tank valves are open, the crossover selector handle is selected to the input where the two 60# tanks are connected then the system will work as you question. Why don't you post a photo of the connections and tanks?
__________________
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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11-09-2013, 12:55 PM
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#3
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Junior Member
Join Date: Oct 2013
Location: Gallatin Gateway, MT
Posts: 13
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I haven't done this yet so I don't have a picture. The setup is on one side of the regulator is a 40# DOT (OPD) tank with an extend-a-stay fitting. There are 2 60# cylinders going to a T and then going to the auxillary port on the extend-a-stay fitting (3 cylinders on one side of the regulator - all open). The other side of the regulator has 1 40# DOT (OPD) cylinder. I would like all 3 cylinders on the one side of the regulator to empty and then throw over to the other side. Hopefully this would allow 160# of propane to be used on one side of the regulator and then throw over to the other side for an additional 40# of LP. When ready to travel it would allow quick disconnect of the 60# cylinders from the system.
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11-09-2013, 01:15 PM
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#4
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Senior Member
Fleetwood Owners Club
Join Date: Jun 2009
Posts: 4,031
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I thought they went from a 40# to a 100#(23.6 gal).
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11-09-2013, 01:24 PM
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#5
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Junior Member
Join Date: Oct 2013
Location: Gallatin Gateway, MT
Posts: 13
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Multiple cylinder hookup
Quote:
Originally Posted by Triker56
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No, a 40# with the EAS fitting, then 2 60# to a T and then to the EAS fitting auxiliary port and then to the regulator. A 40# on the other side of the regulator.
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11-10-2013, 02:42 AM
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#6
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Moderator Emeritus
Country Coach Owners Club Appalachian Campers Gulf Streamers Club
Join Date: Mar 2000
Location: Chattanooga, Tn.
Posts: 12,060
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Quote:
Originally Posted by bleman
I haven't done this yet so I don't have a picture. The setup is on one side of the regulator is a 40# DOT (OPD) tank with an extend-a-stay fitting. There are 2 60# cylinders going to a T and then going to the auxillary port on the extend-a-stay fitting (3 cylinders on one side of the regulator - all open). The other side of the regulator has 1 40# DOT (OPD) cylinder. I would like all 3 cylinders on the one side of the regulator to empty and then throw over to the other side. Hopefully this would allow 160# of propane to be used on one side of the regulator and then throw over to the other side for an additional 40# of LP. When ready to travel it would allow quick disconnect of the 60# cylinders from the system.
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As long as all cylinders are open, the crossover regulator pointer is in the direction of the three cylinders and as long as all lines before regulator are rated for high pressure (350 psi) you should be good to go. The crossover regulator is automatic and will allow the cylinders selected to be used first and when the pressure is reduced (empty cylinders - they will all be considered one) the pressure from the last 40# cylinder will be used automatically, however the fuel supply indicator will turn to red when the first three are empty. Once you get it all put together and leak tested, post a photo so we can check everything. Thanks
__________________
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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11-14-2013, 04:18 PM
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#7
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Junior Member
Join Date: Oct 2013
Location: Gallatin Gateway, MT
Posts: 13
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System Pictures of Installation
Here are a few pictures of the system for the multiple LP cylinders
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11-15-2013, 02:45 AM
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#8
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Moderator Emeritus
Country Coach Owners Club Appalachian Campers Gulf Streamers Club
Join Date: Mar 2000
Location: Chattanooga, Tn.
Posts: 12,060
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That looks good and I am sure you have checked for any leaks with Dawn soap solution.
__________________
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7
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