Upflow/Horizontal — 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.
A341789P12
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)
*Horizontal Conversion for these furnaces may be left
or right side rotation.
18-CD34D1-5-EN
OPTIONAL ACCESSORIES
Model Number
Description
BAYBASE205
Downflow subbase for downflow models
only
BAYFLTR200
External side filter rack
BAYFLTR203
Filter kit horizontal for 17.5" cabinet
BAYFLTR204
Filter kit horizontal for 21" cabinet
BAYFLTR205
Filter kit horizontal for 24.5" cabinet
BAYFLTR317
Cleanable filter for 17.5" cabinet upflow
only
BAYFLTR321
Cleanable filter for 21" cabinet upflow
only
BAYFLTR324
Cleanable filter for 24.5" cabinet upflow
only
BAYLPKT210B
Propane conversion kit
BAYLPSS210B
LP kit with stainless steel burners
BAYRACK960A
Internals filter rack kit for upflow models
BAYVENT800B
Masonry chimney vent kit for upflow only
KIT09224
Filter clip kit
BAYBRCKFLT10
Downflow bracket kit
FLR01185
Filter for 14-1/2" cabinet downflow only
FLR01186
Filter for 17-1/2", 21", 24-1/2" cabinet
downflow only
M801P040AU24AA
M801P060AU24AA
M801P060AU36AA
M801P080BU36AA
M801P080BU48AA
M801P100BU36AA
M801P100CU48AA
M801P100CU60AA
M801P120DU60AA
M801P140DU60AA
M801P060AD24AA
M801P060AD36AA
M801P080BD45AA
M801P100CD48AA
M801P100CD60AA
M801P120DD60AA
M801P140DD60AA
