Browse a collection of quality oil lines at F.W. Webb. This line is an essential component of a heating system; it delivers the heating oil to a furnace, boiler, or water heater. The oil line connectors and tubing available in our collection are made in copper, a sturdy material that can withstand normal everyday use of an oil-fired heating system. Discover reliable oil lines from trusted makers, including Westwood and R.W. Beckett, to find the best fit for your existing unit.