508151-01
Issue 2104
Page 4 of 72
ACCESSORY LIST
Catalog Number
Description
Comfort Sync Wi-Fi Thermostat
1.841197
Comfort Sync Wi-Fi Thermostat
External Filter Rack Kits
1.841018
1 pack (16 x 25)
1.841039
10 pack (16 x 25)
Natural to LP Kits
11K48
2-Stage – 90
11K47
High Altitude (> 7500')
Return Air Base
68W62
17.5" B Width
68W63
21.0" C Width
68W64
24.5” D Width
Night Service Kits
89W53
Two-stage
Horizontal Suspension Kit
51W10
80% & 90% Kit
Flush Mount Termination (90% Furnaces only)
51W11
2” & 3.0” Vent (US)
51W12
2” & 3.0” Vent – ULC S636 Compliant (Canada)
Concentric Vent Kit (90% Furnaces only)
71M80
1-1/2” Vent Version (US)
44W92
1-1/2” and 2” Vent Version (Canada)
69M29
2” Vent Version (US)
60L46
3” Vent Version (US)
44W93
3” Vent Version (Canada)
For vent length and clearances to combustibles, please reference installation instructions.