Upflow / Horizontal — Downflow / Horizontal,
Gas-Fired Furnaces, “Fan Assisted
Combustion System”
Installer’s Guide
Upflow / Horizontal* Downflow / Horizontal*
For VENT SIZING INFORMATION see:
USA —
National Fuel Gas Code ....... ANSI Z223.1/NFPA 54 (latest version)
CANADA —
Natural Gas Installation Code ..... CAN/CGA-B149.1 (latest version)
Propane Installation Code ............ CAN/CGA-B149.2 (latest version)
USA/CANADA ALTERNATE —
Category I Venting Guide ............................... Pub. No. 18-CH23D1-2
*Horizontal Conversion for these furnaces may be left or right side rotation.
ALL phases of this installation must comply with NATIONAL, STATE AND LOCAL CODES
IMPORTANT — This Document is customer property and is to remain with this unit.
Please return to service information pack upon completion of work.
*First letter may be “A” or “T”
*UD1A040A9241A
*UD1A040A9301A
*UD1A060A9241A
*UD1A060A9361A
*UD1B060A9361A
*UD1B080A9241A
*UD1B080A9361A
*UD1B080A9481A
*UD1C080A9601A
*UD1B100A9361A
*UD1B100A9451A
*UD1C100A9481A
*UD1C100A9601A
*UD1D100A9721A
*UD1C120A9541A
*UD1D120A9601A
*UD1D140A9601A
*DD1A040A9241A
*DD1A060A9241A
*DD1A060A9361A
*DD1B060A9361A
*DD1B080A9361A
*DD1B080A9451A
*DD1B100A9451A
*DD1C100A9481A
*DD1C100A9541A
*DD1C120A9541A
*DD1D120A9601A
*DD1D140A9601A
18- CD19D7- 22
A341789P01
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