The furnace is used to heat materials used in splicing operations. This efficient solder melting furnace delivers a hefty 43,000 BTU output on just 2 lbs./hour of conventional propane. To set up the furnace for use, connect the pressure regulator to the LP gas cylinder and the LP gas hose to the regulator and furnace. Use a regulator wrench to tighten all connections. 8.25 inches high from base to burner surface.