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Old 01-01-2012, 09:19 PM   #1
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Auxiliary LP Gas Line

In the bay of 09 Safari Cheetah there is a gas line. The line is black pipe and runs from the propane tank. There is a globe valve at the end of the hard line. From the valve on there is a 10 or 12' run of flexible tubing with quick disconnects on each end. I assume this is used to connect to a grill, heater, etc...

Questions;
1) Is my assumption of it's intended use correct?

2) Would this connection be HP or LP?

3) I would like to use it for a grill.
....a) Can I hook it directly to a portable gas grill via the quick disconnect?
....b) Will it need a regulator in-line before the grill?
....c) I've read about different propane appliances requiring different flow rates,
I assume the regulator that comes with the grill will have the correct flow
rate for the grill. How do I know if my supply line will supply the proper
pressure/flow rate to the grill's regulator?

4) Is there anything else I need to know?
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Old 01-01-2012, 09:35 PM   #2
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Quote:
Originally Posted by sdennislee View Post
In the bay of 09 Safari Cheetah there is a gas line. The line is black pipe and runs from the propane tank. There is a globe valve at the end of the hard line. From the valve on there is a 10 or 12' run of flexible tubing with quick disconnects on each end. On both ends????
I assume this is used to connect to a grill, heater, etc...

Questions;
1) Is my assumption of it's intended use correct?
Maybe and probably but I'm doing some assuming since you say that after the valve is the flex with the quick discos on "each end".

2) Would this connection be HP or LP? When talking about propane LP means Liquefied Petroleum. In the context of your question I'm guessing that you mean High Pressure or Low Pressure. If my assumption is correct then the answer depends on where the line connects on the supply end. If it connects downstream from the tank regulator then it will be (or should be) at 11" w.c. which would be correct for a propane fired grill.

3) I would like to use it for a grill.
....a) Can I hook it directly to a portable gas grill via the quick disconnect? see #2
....b) Will it need a regulator in-line before the grill? See #2
....c) I've read about different propane appliances requiring different flow rates,
I assume the regulator that comes with the grill will have the correct flow
rate for the grill. How do I know if my supply line will supply the proper
pressure/flow rate to the grill's regulator? Operating pressure on your portable grill would be 11" w.c. which should also be the pressure supplied by the regulator at the tank. So, if your described piping is connected to the outlet of the regulator then the pressure will be correct. To be sure you would need to test it with a manometer.

4) Is there anything else I need to know?
Let's get the above questions answered first.
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Old 01-01-2012, 10:19 PM   #3
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KIX thanks for the response.

It is feed by the regulator (assumption as there is only one distribution line form the tank and it is feed by the regulator, this is the same line which feeds the rest of the coach, stove, furnace, WH and refer). After thinking about the answer to this I feel a bit stupid. Should have looked at how the line was supplied, duh.

You are correct, I did mean Low or High pressure with the use of LP/HP.

I have attached pictures of the fitting and hose.
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Old 01-02-2012, 09:45 AM   #4
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Yes, that is a low prssure line because it's fed after the regulator. The quick disconnects were undoubtedly added later to make it easy to connect to a gas grill or similar device. The shutoff petcock is a good idea because a leaky coupler could allow propane to build up in the compartment when not in use.

Most gas grills come with regulators to accept high pressure propane from a portable tank or disposable bottle. Generally, a high pressure tee is tapped into prior to the LP tank's regulator and a hose is run to the grill and has the same thread as the smal disposable bottles. To use a system such as what you have it would be best to remove the regulator from the grill and replace it with a quick coupling that matches your hose. However, that prevents being able to use your grill on a portable tank or disposable bottle unless you reinstall the regulator so that is one downside to consider before doing that.
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Old 01-02-2012, 11:42 AM   #5
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Yep, what Cruzer said
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Old 01-02-2012, 01:47 PM   #6
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Thanks KIX and Cruzer. Really appreciate the replies.
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