Lennox Merit ML193UH User Manual

Page 35
FIGURE 60
TRAP / DRAIN ASSEMBLY USING 1/2" PVC OR 3/4" PVC
Adapter 1/2 inch slip X
1/2 inch mpt (Not Furnished)
Drain Trap
Assembly
(Furnished)
Vent
Drain Trap
Clean Out
5 Feet
Maximum
Coupling 1/2 inch slip X slip
(Not Furnished)
90° Elbow 1/2 inch PVC
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
Condensate Drain
Connection In Unit
7
(178)
Drain Assembly for 1/2 inch Drain Pipe
90° Elbow
3/4 inch PVC
(Not Furnished)
Coupling 3/4 inch slip X slip
(Not Furnished)
To
Drain
To
Drain
90° Elbow
3/4 inch PVC
(Not Furnished)
To
90° Street Elbow
1/2 inch PVC
To
Drain
90° Elbow
1/2 inch PVC
(Not Furnished)
1/2 inch PVC Pipe
(Not Furnished)
Drain Assembly for 3/4 inch Drain Pipe
90° Street Elbow
1/2 inch PVC
(Not Furnished)
Condensate Drain
Connection In Unit
Adapter 1/2 inch slip X
1/2 inch mpt (Not Furnished)
Condensate Drain
Connection In Unit
Vent
To
Drain
Condensate Drain
Connection In Unit
Drain Trap Assembly with 3/4 inch Piping
Vent
To
Drain
(Furnished)
Optional Condensate Drain Connection
Optional Drain Piping From Trap
Drain Trap Assembly
(Furnished)
Drain Trap Assembly with 1/2 inch Piping
Drain Trap Assembly with 3/4 inch Piping
1/2 inch
3/4 inch
1 (25 mm) Min.
2 (50 mm) Max.
Above Top Of
Condensate Drain
Connection In Unit
1 (25 mm) Min. 2 (50 mm) Max. Above Top
Of Condensate Drain Connection In Unit
1 (25 mm) Min. 2 (50 mm) Max. Above Top
Of Condensate Drain Connection In Unit
Trap

Lennox Merit ML193UH Specifications

General

Efficiency	Up to 93% AFUE
Heating Stages	Single-stage
Blower Motor	PSC
Gas Valve	Single-stage
Energy Star Certified	No
Fuel Type	Natural Gas or Propane
Cabinet Type	Upflow/Horizontal
Ignition Type	Hot Surface Ignition
Heat Exchanger	Aluminized Steel
Heating Capacity	44, 000-132, 000 BTU/h