Camplux 10L two.64 GPM Portable Propane Water Heater The Camplux 2.sixty four GPM propane water heater is made specifically for small-use out of doors purposes. Great for sheds, out of doors showers, or campers and RVs, this tankless water heater can guidance one or two appliances at a time. It connects quickly and securely to plain propane tanks,