gas fitter

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One who installs or repairs gas pipes, fixtures, or appliances.

from The Century Dictionary.

• noun One whose business is the fitting up of buildings, etc., with all the requisites for the use of illuminating gas.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a workman who installs and repairs gas fixtures and appliances