Lennox 97G2DFV Installation Instructions Manual page 33

Optional Condensate Drain Connection
Adapter 3/4 inch slip X
3/4 inch mpt (not furnished)
90° Street Elbow
3/4 inch PVC
(not furnished)
90° Street Elbow
3/4 inch PVC
( furnished)
To
Trap
Optional DrainPiping FromTrap
Drain Assembly for 1/2 inch Drain Pipe
Drain Assembly for 3/4 inch Drain Pipe
90° Elbow
3/4 inch PVC
(Not Furnished)
To
Drain
DrainTrap Assembly
(Furnished)
(178)
508405-01
Condensate Drain
Connection In Unit
1/2 inch PVC Pipe
(Not Furnished)
90° Elbow
1/2 inch PVC
(Not Furnished)
To
Drain
90° Elbow
3/4 inch PVC
(Not Furnished)
To
Coupling 3/4 inch slip X slip
Drain
(Not Furnished)
DrainTrap Assembly with 1/2 inch Piping
1 (25 mm) Min. 2 (50 mm) Max. Above Top
Of Condensate Drain Connection In Unit
Vent
1/2 inch
7
To
Drain
Figure 51. Trap Drain Assembly Using 1/2" PVC or 3/4" PVC
Adapter 3/4 inch slip X
3/4 inch mpt (not furnished)
1 (25 mm) Min.
2 (50 mm) Max.
Above Top Of
Condensate Drain
Connection In Unit
90° Elbow 3/4 inch PVC
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
Drain Trap
Clean Out
DrainTrap Assembly with 3/4 inch Piping
1 (25 mm) Min. 2 (50 mm) Max. Above Top
Of Condensate Drain Connection In Unit
3/4 inch
Condensate Drain
Connection In Unit
Drain
Issue 2341
Vent
5 Feet
Maximum
3/4 inch PVC Pipe
(Not Furnished)
Coupling 3/4 inch slip X slip
(Not Furnished)
Drain Trap
Assembly
(Furnished)
Vent
Condensate Drain
Connection In Unit
To
Condensate Drain
Connection In Unit
Page 33 of 53