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Old 09-13-2018, 03:46 AM   #1
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Default LP Pressure test Q

OK. I'm going to bite the bullet and start testing my LP pressure. I've got a simple column manometer. The question that I have is where is the best place to test? I've heard that most tests are run at the LP stove. Don't know if this is accurate but I figure that a lot of you probably run an annual pressure and leak test. Any suggestions to the best way would be appreciated.

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Old 09-13-2018, 10:08 AM   #2
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Hereís a web site Iíve had bookmarked for a while on the topic. You could also search youtube. Good lpg testing takes some effort.
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Old 09-13-2018, 11:06 AM   #3
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I tested it at the fridge. This guide - Measuring Gas Pressure with Manometer - is good.
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Old 09-13-2018, 05:00 PM   #4
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The stove is where most people test, itís certainly easier than other points. There is a possible wrinkle though. Some stoves have their own pressure regulator and this will cause the stove to give an incorrect reading. If the stove doesnít have itís own regulator then youíre fine.

Testing at the frig is a good way to go. There is a plug that you can remove at the back of the frig. Youíll need a fitting to go in there. Itís a good place to test as many fridges are sensitive to low propane pressure.

Your fridge will run a lot better if you make sure it has the right pressure (usually 11 WC) at all times, even with other loads running such as the furnace.

I find it really handy to be able to run my own pressure tests. Any time you crack open your propane lines you need to run a pressure test to make sure the system is tight under pressure. One tip - run a pressure test before you crack open the lines, not just after. I installled a new furnace and when I ran a pressure test after I found I had a leak. I went crazy trying to figure out where in the furnace setup the leak was. Turns out it was at the water heater and had been there all along.
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Old 09-13-2018, 08:19 PM   #5
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The fridge has a specific design pressure test port on the solenoid valve. Since the fridge seems to be the most sensitive to pressure issues, it would be a good place to start.
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Old 09-20-2018, 05:09 PM   #6
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Back of fridge if a test point is available. If you have a propane generator it should be running while testing as well as the propane furnace.
What my RV repair guy has always told me and has done on ours....
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