INSTALLATION INSTRUCTIONS - Lennox

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Page 103/06*2P0306*505,181M*P505181M* 2006 Lennox Industries , Texas, USARETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCEINSTALLATIONINSTRUCTIONSG40UH(X ) SeriesGAS FURNACE505,181M03/2006Supersedes 505,011MTable of ContentsUnit Dimensions2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G40UH(X) Parts Arrangement3. . . . . . . . . . . . . . . . . . . . . G40UH(X) Gas Furnace4. . . . . . . . . . . . . . . . . . . . . . . . . . Shipping and Packing List4. . . . . . . . . . . . . . . . . . . . . . . . Safety Information4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Combustion, Dilution & Ventilation Air5. . . . . . . . . . . . . . Setting Equipment8.

G40UH(X) units are CSA International certified to ANSI Z21.47 and CSA 2.3 standards. In the USA, installation of gas furnaces must conform with lo-cal building codes. In the absence of local codes, units must be installed according to the current National Fuel Gas Code (ANSI-Z223.1). The National Fuel Gas Code is available from the following ...

  Ansi, Lennox, Ansi z21