508093-01
Issue 2033
Page 4 of 59
ACCESSORIES
System Accessory
Kit Number
Description
External Filter Rack
1.841018
1 pack (16 x 25)
1.841039
10 pack (16 x 25)
Natural to LP Kit
11K50
1-Stage - 90
13X57
1-Stage - 90 Low Input [030K BTUH]
Return Air Base
68W62
17.5" B Width
68W63
21.0" C Width
68W64
24.5" D Width
Downflow Combustible Flooring Base
11M60
17.5" B Width
11M61
21.0" C Width
11M62
24.5" D Width
Night Service Kit
86W57
Single Stage
Horizontal Suspension Kit
51W10
80% & 90% Kit
Flush Mount Termination
(90% Furnaces Only) (US Only)
51W11
2" & 3" Vent Version
Concentric Vent Kit
(90% Furnaces Only) (US Only)
71M80
1-1/2" Vent Version
69M29
2" Vent Version
60L46
3" Vent Version
Concentric Vent Kit
(90% Furnaces Only) (Canada Only)
44W92
1-1/2" and 2" Vent Version
44W93
3" Vent Version
2-Stage Compressor Kit
85W66
Blower Relay Kit
Twinning Kit
16W72
Constant Torque Gas Furnace Twinning Kit
Note: For vent length and clearances to combustibles, please reference installation instructions.