Condensate Removal - Lennox LIAH024-200U432-STDESP Owner's Manual

4.3.2.2 Screw Connection
Pipe diameter (inch)

4.4 Condensate Removal

(1) It is not allowed to connect the condensate drain pipe into waste pipe or other
pipelines which are likely to produce corrosive or peculiar smell to prevent the
smell from entering indoors or corrupt the unit.
Φ1/4
Φ3/8
Φ1/2
Φ5/8
Φ3/4
Φ7/8
Tightening torque (N·m)
10
Air Handlers
15-30
35-40
45-50
60-65
70-75
80-85