GasWatch model TVL 203 UL approved LP Gas Regulator Hose assembly features a regulator with a gauge that indicates the level of propane in the tank, With an easy to see and easy to read colored dial TVL 203 has built-in safety feature of Leak Detection and Emergency Shut-off which completely shuts-off the flow of propane in case of hose cut-off fire or an uncontrolled flow of gas, Having a QCC 1 inlet and 21 long hose it can be conveniently used for propane tanks on BBQ Grills Patio Heaters Smokers Turkey Fryers Camping Stoves Cookers RVs Boats and all Outdoor Propane Appliances, SKU: GWC004