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01-10-2016, 09:22 AM
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#15
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Senior Member
Join Date: Aug 2012
Location: fulltiming
Posts: 295
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Our LP tank gauge reads half all the time, never changes. Talking about this problem to the guys who fill RV LP tanks at campgrounds, Pilot-Flying J and RV techs and dealers, I believe that very very few LP tank gauges are accurate if they work at all. Our tank holds about 24 gallons at 80% and we have never run out. I apologize to the guy who just filled us with just 6 gallons. He said, "No problem. No body knows how much they really have until they completely run out." About every 6 months or so we top-off our LP tank. We are full timers and have never run out, not even during the winter.
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Bob & Joan Alexander, 2010 Tiffin Phaeton 36 QSH, 2013 Jeep Wrangler (toad)
Lobo & Juniper (woof, woof)
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01-10-2016, 05:01 PM
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#16
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Member
Join Date: May 2011
Posts: 50
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Thanks everyone.
Understandiing the inaccuracies of these gauges now, I got the tank filled when the gauge showed a little under 1/2.
So now I have a number related to the position of 1/2 on the tank. I will try to do the same a couple of more times to see if 1/2 on this tank is the same every time.
Given that Propane exppands and contracts with the temperature I am guessing there will be a +- involved here.
My gauge does show various points as the tank is filled, and emptied (at least between 1/2 and 3/4).
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Jim/San/Oliver&Trader (Cats),2007 Winnebago Adventure 38J
Blue Ox: TigerTrak fr/rear, TruSteer
Koni Shocks, Dually Tubes, TireMinder, Invisibrake, 13 Honda Fit Sport
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06-07-2016, 10:51 AM
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#17
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Junior Member
Join Date: Sep 2015
Posts: 6
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I'm new at all this so be gentle....I just bought a 33 ft 2003 Georgie Boy Velocity. My LP gauge is malfunctioning I think.. The needle is below the Empty line and the panel inside shows Empty too. I had tank refilled but gauge stayed the same and the panel inside shows Empty too. I disconnected the gauge and the panel inside showed full. Scratching my head now. I took gauge to a dealer and they checked it and said it was OK. I'm not convinced. How can I ck the gauge? Not very proficient with volt/ohm meters but I checked continuity between the two leads (one red orange, one white) and there was an audible sound there so I assume it's OK. I'm not sure about the little magnet. How to ck the two leads for power? Anyone there that put me on the right track or is it a 'must' to have that gauge connected?...Jim
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06-07-2016, 11:04 AM
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#18
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Senior Member
Join Date: Feb 2011
Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,609
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Don't worry about the interior gauge until you get the one on the outside working correctly. The outside gauge is the sending unit for the internal one.
There's a float inside the tank, that drives the sending unit through a set of gears. These gears are not exactly high quality/precision cut, so they do stick on occasion. Often, all you need to do is drive it around or hit a bump to get it working again. The sloshing of the liquid LP will jostle the float a bit.
At best, these gauges are just there to give you an idea of what's in the tank. If you just filled it, you're good to go for quite a while unless you're using the furnace. Cooking and refer only should last at least a full season.
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1997 37' HR Endeavor, 275hp Cat, Freightliner
03 CR-V Blue Ox, Ready Brake
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06-07-2016, 07:25 PM
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#19
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Senior Member
Newmar Owners Club Winnebago Owners Club Freightliner Owners Club
Join Date: Mar 2016
Location: Kingman Az
Posts: 1,686
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Quote:
Originally Posted by gruelens
I took a Sharpie marker and marked the gauge face where the needle is. Then after filling wrote the number of gallons on the tank beside the mark. Having 3 such reference marks at different levels, they give me at a glance of the tank gauge, approx how much propane I have used.
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Yep, same thing. when completely empty marked it with a sharpy. Then filled it and marked it again. Put a middle mark for 1/2 tank. I ignore the "in coach" gage.
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May your black water hose never break!
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06-07-2016, 07:39 PM
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#20
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Senior Member
Join Date: Jun 2012
Location: AB
Posts: 7,587
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Here's a test that will tell you how much propane you have left...
Run your hand up and down the tank from top to bottom. You will feel a temperature change. The cooler portion is the propane level. That will give you an idea do how accurate the gauge is.
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2019 Unity LTV CB, pushed by a 2013 Honda CRV, BlueOx Baseplate, Aventa Bar & Patriot Brake
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06-07-2016, 08:02 PM
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#21
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Member
Monaco Owners Club
Join Date: Mar 2015
Location: Oregon
Posts: 46
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Propane gauges are a lot like political campaign speeches. There is very little you can believe. I bought a strip from a barbeque shap that sticks on the end of my tank that shows the propane level by color change from the cold temperature of the propane.
It works great.
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Mike & Holly 1999 Monaco Diplomat 38A-1998 Toyota Landcruiser
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06-07-2016, 09:45 PM
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#22
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Senior Member
Join Date: Sep 2015
Location: Kalispell, MT
Posts: 248
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Quote:
Originally Posted by s.j.sharks
If you are an optimist it means the tank is half full....if you are a pessimist it means the tank is half empty....
Sorry, just couldn't resist...lol Happy New Year everyone....
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If you are filling the tank, it is half full. If you are drawing it down, it is half empty. If you are putting water in a glass, it is half full, if drinking, it is half empty. Sorry to rain on your parade.
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