Forum Discussion
Ex-Tech
Dec 14, 2013Explorer
whiteeye42 wrote:
Before they came out with the new 80% valves they use to fill to 100% and nobody complained then they started replacing with the new valves and everybody started complaining that they were getting ripped off since they were only getting 80% that extra 1/2 gallon won't hurt a thing just run the heater and the fridge for an hour and you will be good to go
The "new 80% valves" aren't new at all and prior to the new OPD (overfill protection device) valves, most all portable propane tank valves were the same whether on a 20, 30 or 40 pound tank.
What makes the valve spit liquid at 80% is the length of the spitter valve dip-tube which is different for each size tank. These dip-tubes screw into the fill valve.
This system has been used since I entered the RV business in 1972.
Valves on a horizantal tank are different in that there is an additional "J" shapped tube that comes out of the bottom of the valve that curves up above the liquid level when the tank is in the horizantal position.
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