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MGD Series Gas Furnace Installation Instructions
Heat Controller, Inc. Jackson, MI 49203 MGD Installation Instructions 10
GAS PIPE AND TUBING-MIN SIZES
MODEL TYPE LENGTH PIPE TUBING
MGD OF SIZE SIZE
GAS (FT.) (IN.) (IN. OD)
to 20 3/8 5/8
Natural to 60 1/2 -
60 to 70 - 3/4
to 40 3/8 -
Propane to 70 - 5/8
to 80 1/2 -
to 20 - 5/8
to 50 1/2 -
Natural to 60 - 3/4
75 to 80 3/4 -
to 30 3/8 -
Propane to 60 - 5/8
to 80 1/2 -
to 40 1/2 3/4
Natural to 50 - 3/4
90 to 30 3/8 -
Propane to 40 - 5/8
to 60 1/2 3/4