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 > Cause and effect?

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Bobbo

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Posted: 11/26/21 08:04pm Link  |  Quote  |  Print  |  Notify Moderator

Total coincidence. When my hoses (plural) failed, I replaced them both with the same hose you bought, without check valves. The system works just like it did before. No difference.

The regulator keeps the propane from flowing between the tanks.

My guess is that either the high flow cut-off activated, or you didn't have the ACME fitting quite tight enough to open the valve.


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Cummins12V98

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Posted: 11/26/21 08:04pm Link  |  Quote  |  Print  |  Notify Moderator

Dutch_12078 wrote:

Cummins12V98 wrote:

bgum wrote:

The propane dealer should have been able to make you a new hose with your parts. All it would have taken was a short piece of new hose or just a new crimp on your hose.


Did you read my post?



I found Mr heater hose in 12" but when looking at the end that screws into the transfer device it did not have a check valve as the OE did. I looked a few places and finally stopped at a Propane Delivery Company that had parts also. The Manager said no need for the check valve.


The ACME fitting on the hose may have a built in high flow valve that shuts off if it thinks there's a major leak in the system. Sometimes those valves trip when the cylinder service valve is opened too fast. Try shutting the service valve off, loosening and retightening the Acme fitting, and then opening the valve slowly to see if that works better.


I have had that happen on another application but this is strictly related to the new hose without the check valve or whatever it is.


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Cummins12V98

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Posted: 11/27/21 08:56am Link  |  Quote  |  Print  |  Notify Moderator

Bobbo wrote:

Total coincidence. When my hoses (plural) failed, I replaced them both with the same hose you bought, without check valves. The system works just like it did before. No difference.

The regulator keeps the propane from flowing between the tanks.

My guess is that either the high flow cut-off activated, or you didn't have the ACME fitting quite tight enough to open the valve.


Do you have a generator? The end of the hose is screwed in tight. If not I would smell propane.

MFL

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Posted: 11/27/21 09:32am Link  |  Quote  |  Print  |  Notify Moderator

This is a dilemma which OldBiscuit could answer. He knows all things propane! I know he is N/A here any more.

I know you're not asking for WAGs, but here is mine. I'm thinking the gen is more sensitive to line pressure, than other appliances you mentioned.

Jerry





Cummins12V98

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Posted: 11/27/21 10:36am Link  |  Quote  |  Print  |  Notify Moderator

MFL wrote:

This is a dilemma which OldBiscuit could answer. He knows all things propane! I know he is N/A here any more.

I know you're not asking for WAGs, but here is mine. I'm thinking the gen is more sensitive to line pressure, than other appliances you mentioned.

Jerry


Thanks Jerry! I think you are correct. I just have no idea what that valve does.

Anyone have a part number I can add to the end of my new line to duplicate the function of the old hose?

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Posted: 11/27/21 10:53am Link  |  Quote  |  Print  |  Notify Moderator

Like the propane guy, I cannot think of a plausible reason that it wouldn’t run with a no back check hose.
Got me stumped too.
I’ve also not seen a pigtail with a check valve on it until you mentioned it and I looked it up, so my experience is 0.
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bgum

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Posted: 11/27/21 04:13pm Link  |  Quote  |  Print  |  Notify Moderator

If you had used your old line with a new crimp you wouldn't be confused as to the problem. Read this twice and possibly you will learn something.

Cummins12V98

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Posted: 11/27/21 05:09pm Link  |  Quote  |  Print  |  Notify Moderator

bgum wrote:

If you had used your old line with a new crimp you wouldn't be confused as to the problem. Read this twice and possibly you will learn something.


My old line was hard and stiff and was not worth spending a nickel on it.

I totally understand the old line was doing whatever job it needed to do EXCEPT it was leaking.

So no one knows if there is a screw on device that can be added to my new line?

I understand if I had the hose fixed we would not be discussing this!!!

wa8yxm

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Posted: 11/28/21 07:43am Link  |  Quote  |  Print  |  Notify Moderator

Reading this thread I nominate the "Excess flow" Feature for best answser.

Did not think of that but the new coupler may have a flow limiter.
Generators such BIG TIME.


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Cummins12V98

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Posted: 11/28/21 08:36am Link  |  Quote  |  Print  |  Notify Moderator

wa8yxm wrote:

Reading this thread I nominate the "Excess flow" Feature for best answser.

Did not think of that but the new coupler may have a flow limiter.
Generators such BIG TIME.


Looking into the end of the new hose there is nothing but air. Looking into the end of the old hose there is a brass pc.

I would think the old hose has the "limiter" ???

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