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Propane is an essential fuel source for RVs. It is used to operate appliances like your water heater, furnace, refrigerator, oven, and cooktop, and it’s especially vital when you’re boondocking without electrical hookups.
Because it’s a flammable liquid, you need to know how to connect propane and safely turn it on, and that’s true whether you’re renting an RV or you own a new motorhome. So let’s cover the basics of RV LP systems and how to use them.
The Different LP Containers and Their Locations
Cylinder Location on Travel Trailer Photo by Camping WorldThere are two types of LP containers: DOT cylinders and ASME tanks. DOT cylinders are the removable type on most travel trailers and fifth wheels. ASME tanks are the type that are permanently mounted to the frame or floor of motorhomes and accessed through an exterior compartment door.
DOT = Department of TransportationASME = American Society of Mechanical EngineersOn travel trailers, you’ll typically find DOT cylinders mounted to the trailer’s tongue or, in rarer cases, to the rear bumper. On fifth wheels, the cylinders will usually be found inside a storage compartment.

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