can not draw propane from street side tank

Question

I got this unit last Summer and had no issues with it, until now. I dewinterized the unit and decided to have both tanks filled. The curb side tank was empty, but the street side seemed awfully heavy. On filling the dealer said one was empty and the other was full. I took them back and connected them. I purged the air and then fired the furnace. All worked. Then I decided to shut off the curb side tank and draw off the street side, only. Furnace shut down. Checked the street side tank to make sure it was on and checked the crossover valve..it was red. I tried to purge again but could only get a small flame on one stove burner. I then manually switched the valve to the street side tank and it momentarily turned green, then back to red. Turned the curb side tank on and it turned green. All appliances now work. There appears to be an additional regulator on the street side tank and am wondering what purpose it serves and if it could possibly be plugged up or just non functioning. I am familiar with multiple tanks on all my other trailers but this is my first fiver. No where in my owners packet does it even make mention of this additional device. This trailer is new to me but we purchased it preowned from a dealer who took in trade because the original purchaser decided they wanted something different after their first trip. Any ideas??

onespeed405 · Answer

I am not sure if I understand your problem, but I will take a shot at it.

First of all, you probably have an OPD valve on those new tanks.

http://www.propane101.com/valveopennopropane.htm

They have a tendency to shut down if turned on incorrectly.

My first experience with this valve was similar to yours. Here is what I did:

1. Ensure all appliances are turned off, so there is no draw of propane whatsoever.
2. Turn the tank off
3. Turn the tank on by "ever so slowly" and I mean SLOWLY turning it on.

If you place your ear to it, you should hear the gas start to flow. All should work then.

Good luck.

Tony

old-biscuit · Answer

Your street side cylinder has a 30# regulator (RED). Common problem is that regulator.

45ricochet · Answer

Onespeed405 wrote:I am not sure if I understand your problem, but I will take a shot at it. First of all, you probably have an OPD valve on those new tanks. http://www.propane101.com/valveopennopropane.htmThey have a tendency to shut down if turned on incorrectly. My first experience with this valve was similar to yours. Here is what I did:1. Ensure all appliances are turned off, so there is no draw of propane whatsoever. 2. Turn the tank off3. Turn the tank on by "ever so slowly" and I mean SLOWLY turning it on. If you place your ear to it, you should hear the gas start to flow.  All should work then. Good luck. TonyThat's my guess also. Turn off anything that uses LP when you switch tanks. Both of mine are street side and it takes a long time each spring to get the air out of the lines.

az_t_t · Answer

I had the same problem and it ended up being a bad regulator.

wvcampers · Answer

After replacing the second regulator, the red one, twice I eliminated it. The reason for the second regulator is because you have a rubber hose running between the tanks through the front storage area. If you replace the rubber hose with hard pipe the red regulator can be taken out. Another problem is the hose that connects to the tanks. They have a check valve in them that will prevent flow. The first thing that I would check is the hose at the tank. I took mine off and found it to be plugged.

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can not draw propane from street side tank

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