(Gas Furnaces, Space & Water Heaters, Gas Appliances)
INITIAL CONTACT: Customer Service Division, 520 Garfield Ave., Duluth MN 55802.
TELEPHONE NUMBER: (218) 730-4050.
ISSUED TO: Plumbers, heating contractors or building owner.
PROCEDURE: Installer of any new furnace or appliance which uses natural gas should request an inspection to insure that it has been installed properly and to insure it operates as efficiently and safely as possible.