Luxury Coach Lifestyles - View Single Post - At what interval should I refill propane tank
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Old 11-30-2012, 12:52 AM   #2
The Newell
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Here is my opinion: A tank gauge and also the internal indicator, I would trust the external gauge more than the inside indicator. Both are operated by a magnetic control system inside the tank. The tank gauge is quite reliable because it is all mechanical.

The inside indicator uses the same mechanism but relies on a rheostat to feed the right resistance value to that indicator. The rheostat (variable resistor) could be marginal/defective/dirty to give a false indication. Fixing that problem will take another post.

My suggestion is that if you are nearing the 1/4 full mark on the external gauge, get the tank refilled, just to be sure.
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