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Old 09-05-2019, 01:46 PM   #1
Rivet Master
 
2019 25' International
Providence , Rhode Island
Join Date: Aug 2018
Posts: 665
Question How to measure 11" WC with manometer?

So I've seen the warm fridge thread:

http://www.airforums.com/forums/f425...-up-80870.html

And he had 7" vs. 11" and it may have solved his issue.

So, got me thinking.

How do I actually measure this? I see this device:

https://www.amazon.com/Yellow-Jacket...gateway&sr=8-1

and I am wondering, does it just hook up to the LP port in the front and tell me there?

If it isn't registering 11" WC, I assume there is a way to adjust for 11"? Is that done right on the two way selector somewhere in the propane tank area?

This question is directed to a 2019 International Serenity, but I assume it matches other units also.

Can someone in the know please advise the best way to do this test, adjustment.....validation?

Thanks,
Chris
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Old 09-05-2019, 04:24 PM   #2
2020 Classic 33
 
Box Elder , South Dakota
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If you can hook it up at the fridge. Remove the gas connection at the fridge and connect the manometer. May need a collection of various size fittings to make it work.



If you are not getting the correct reading, 11", the you adjust the silver regulator below the bottle selector switching gizmo. There should be an adjustment screw. See if you can download a manual for your specific model so you know which way to go.


Also before you make any changes if it is lower than 11" check all of the lines to make sure there are no kinks restricting flow.


I think I have the same unit and it works fine.
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Old 09-05-2019, 04:47 PM   #3
CRH
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1995 25' Excella
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Not the reply you are looking for, but my trailer has a W.C. gauge in the gas line just before the fridge. I have had to adjust my regulator because of a warm fridge...IMO, all trailers need such gauge.
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Old 09-05-2019, 07:29 PM   #4
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2016 16' Sport
Miami , Florida
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You can use the LP port.
Adjusting the regulator depends on the model.
You can also build a meter in about 8 minutes for maybe 5 bucks.
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Old 09-06-2019, 11:03 AM   #5
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Quote:
Originally Posted by CRH View Post
Not the reply you are looking for, but my trailer has a W.C. gauge in the gas line just before the fridge. I have had to adjust my regulator because of a warm fridge...IMO, all trailers need such gauge.
Score one for the older models! Our 1996, 34'er also has the gauge at the refrig. Seems like AS wants to add more new bells and whistles than practicality......

Larry
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Old 09-06-2019, 01:58 PM   #6
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2008 27' International FB
Hillsboro , Texas
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How to measure WC

This is how I do mine with the same test equipment you have. I turn off the propane at the tank. Lift up stove top unplug one of the burners and connect your test equipment there. Go back, turn on propane and you should see 11 of WC on the gauge. Turn the propane back off. The gauge should slowly go down. It will not stay at 11 for long. If it does stay at 11 WC then you have a bad propane value. If it goes down quickly, then there is a leak somewhere.
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Old 09-06-2019, 02:03 PM   #7
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2019 25' International
Providence , Rhode Island
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Thanks for all the feedback, you'd think this would be a standard install item so that people can check the health of their systems.

I'll review the threads and give them a look.

thank you for the feedback.

Chris
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