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Main shut off valve for the service line (shuts off gas flow)
Shows the percentage of fuel in your tank, NOT a gallon gauge
Regulator (not shown)
The device continuously regulates pressure to your system
Pig Tail (not shown)
Connects propane service valve to high pressure regulator
Fill Valve
Valve through which the tank is filled
Relief Valve
Protects the tank from excessive pressure
Fixed Liquid Level Gauge (spitter)
Gauge used by the driver to determine if the tank is properly filled. Percentage gauge not to be used for filling.
Vapor Return Valve
Used for tank evacuation