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*Horizontal Conversion for these furnaces may be left or right side rotation.
*UD1A040A9H21B
*UD1B060A9H31B
*UD1B080A9H31B
*UD1C080A9H41B
High Efficiency Single Stage Upflow/ Horizontal
and Downflow/ Horizontal Gas-Fired Furnaces,
“Fan Assisted Combustion System”
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.
Installer’s Guide
*UD1B100A9H31B
*UD1C100A9H51B
*UD1D120A9H51B
*UD1D140A9H51B
*DD1B060A9H31B
*DD1B080A9H31B
*DD1C100A9H51B
*DD1D120A9H51B
*__First letter may be “A” or “T”
Upflow/ Horizontal* Downflow/ Horizontal*
A341789P07
18- CD21D1- 5
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
*UD1-H
*DD1-H