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Old 10-15-2018, 07:32 PM   #1
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I keep destroying my secondary regulator

I have a 2014 Wildcat 317RL with two 30 pound tanks, one on each side of the rv. I usually only have to fill my tanks once a year so I use very little propane. I generally keep the main regulator selector on the curb side tank but when it runs out the regulator on the street side tank fails. What is going on? This is the fourth regulator that has been on this unit in just five seasons. They can't be that bad.
I am looking for answers or suggestions to not have to deal with propane outage in the middle of the night in sub freezing temps.

Thanks
Jim
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Old 10-16-2018, 09:13 AM   #2
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I have not seen your system with two separate regulators and only one selector switch. Are you keeping both bottles open. I believe what I would do if you actually have two regulators is switch to a single auto change over regulator and longer pig tails so that you have one regulator controlling the system.
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Old 10-16-2018, 09:24 AM   #3
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I'm starting to experience the same issue on my 2016 8529IKBS.

Been through two and this last one isn't leaking but doesn't flow enough propane to run the furnace and the water heater at the same time. Switch to the main side and all is OK.

Both of mine were Fairview brand.
I'll be looking for a different manufacturer.

SeaDog... the reason for the second regulator is DOT regulations say when you run a long flex hose from the 2nd tank across the R/V to where the switch-over regulator is positioned at the main tank, the hose must be lower pressure than tank pressure. These red regulators do that.

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Old 10-16-2018, 09:43 AM   #4
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thanks for the info I did not know that this is a good day learned something.
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Old 10-16-2018, 10:09 AM   #5
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Quote:
Originally Posted by 5picker View Post
I'm starting to experience the same issue on my 2016 8529IKBS.

Been through two and this last one isn't leaking but doesn't flow enough propane to run the furnace and the water heater at the same time. Switch to the main side and all is OK.

Both of mine were Fairview brand.
I'll be looking for a different manufacturer.

SeaDog... the reason for the second regulator is DOT regulations say when you run a long flex hose from the 2nd tank across the R/V to where the switch-over regulator is positioned at the main tank, the hose must be lower pressure than tank pressure. These red regulators do that.

Those second regulators are supposed to be red? The one one ours is grey, like a normal regulator. I've always wondered how it was supposed to work, having a regulator on one line feeding into an auto-changeover regulator at the other bottle.
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Old 10-16-2018, 10:48 AM   #6
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I have not had one leak yet but like I stated above this is the third one I have replaced not counting the factory unit. I keep both bottles open and have tried the selector on the bottle with the second regulator thinking that might keep the regulator from plugging but that didn't help either. Would it be legal to run black iron from one tank across the rv and then terminate with a pigtail to the tank and selector regulator?
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Old 10-16-2018, 11:02 AM   #7
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Quote:
Originally Posted by 5picker View Post
I'm starting to experience the same issue on my 2016 8529IKBS.

Been through two and this last one isn't leaking but doesn't flow enough propane to run the furnace and the water heater at the same time. Switch to the main side and all is OK.

Both of mine were Fairview brand.
I'll be looking for a different manufacturer.

SeaDog... the reason for the second regulator is DOT regulations say when you run a long flex hose from the 2nd tank across the R/V to where the switch-over regulator is positioned at the main tank, the hose must be lower pressure than tank pressure. These red regulators do that.

I swapped tanks on my Wildcat and got no propane from my off-side/secondary regulator. My problem turned out to be a check valve which failed in the closed position. It was installed between the long crossover hose and the main regulator. I replaced it and all was well.
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Old 10-16-2018, 11:02 AM   #8
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Originally Posted by Kaadk View Post
Those second regulators are supposed to be red? The one one ours is grey, like a normal regulator. I've always wondered how it was supposed to work, having a regulator on one line feeding into an auto-changeover regulator at the other bottle.
Not sure they HAVE to be red but most are I've seen or at least have some red on them. Looking online, I believe the Sturgis brand might be all grey. I might order one of those to see if I have better luck.

They simply lower tank pressure in the feed line from the 2nd tank to the main regulator to about 30 PSI from roughly 250 psi of the tank. The main regulator then provides the rest of the regulation. The first stage of the main regulator lowers the psi to about 10-15 psi and then the 2nd stage to 11" of water column.
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Old 10-16-2018, 11:09 AM   #9
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Originally Posted by Mr. Dan View Post
I swapped tanks on my Wildcat and got no propane from my off-side/secondary regulator. My problem turned out to be a check valve which failed in the closed position. It was installed between the long crossover hose and the main regulator. I replaced it and all was well.
Thanks, I'll look into that as well.
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Old 10-16-2018, 11:16 AM   #10
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Thanks, I'll look into that as well.
Good!
I quoted your post mainly because of your good explanation of the need for that secondary regulator. Iíve read here (must be true) that without that secondary regulator turning on the offside valve would fill the empty long hose so quickly, the safety valve in the offside tank would close. Dunno for sure!
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