TRAP / DRAIN ASSEMBLY USING 1/2" PVC OR 3/4" PVC

OPTIONAL Condensate Drain Connection

 

 

 

Adapter 1/2 inch slip X

 

 

 

Adapter 1/2 inch slip X

 

 

1/2 inch mpt (Not Furnished) Condensate Drain

1/2 inch mpt (Not Furnished)

 

 

Connection In Unit

90° Street Elbow

 

 

 

 

Vent

 

 

 

1 (25) Minimum

 

 

 

 

 

 

1/2 inch PVC

 

 

 

 

5 Feet

(Not Furnished)

 

 

Above Top of Condensate Drain

 

Maximum

 

 

 

 

Connection In Unit

 

 

Condensate Drain

 

 

90° Elbow 1/2 inch PVC

 

 

 

 

 

(Not Furnished)

 

 

Connection In Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2 inch PVC Pipe

 

1/2 inch PVC Pipe

 

 

 

 

 

(Not Furnished)

OPTIONAL Drain Piping

(Not Furnished)

 

 

Coupling 1/2 inch slip X slip

Drain Assembly for 1/2 inch Drain Pipe

 

 

 

 

(Not Furnished)

 

 

 

1/2 inch PVC Pipe

 

 

 

 

 

(Not Furnished)

 

Drain Trap

1/2 inch PVC

 

 

 

 

 

 

 

90° Elbow

 

Assembly

(Furnished)

 

 

 

(Furnished)

 

 

 

1/2 inch PVC

 

 

 

 

 

 

To

To

(Not Furnished)

 

 

Drain

Drain

 

 

 

Drain Assembly for 3/4 inch Drain Pipe

 

 

 

 

 

 

 

 

 

Drain Trap

 

 

 

 

 

 

Clean Out

90° Elbow

 

 

90° Elbow

 

 

 

3/4 inch PVC

 

 

3/4 inch PVC

 

 

 

(Not Furnished)

 

(Not Furnished)

 

 

To

To

Coupling 3/4 inch slip X slip

 

 

Drain

Drain

 

(Not Furnished)

 

 

Drain Trap Assembly (Furnished)

Drain Trap Assembly with 1/2 inch Piping

1 inch (25mm) Minimum Above Top of Condensate Drain Connection In Unit

Vent

Drain Trap Assembly with 3/4 inch Piping

1 inch (25mm) Minimum Above Top of Condensate Drain Connection In Unit

Vent

7

(178)

Condensate Drain Connection In Unit

Condensate Drain Connection In Unit

To

To

Drain

Drain

FIGURE 45

Page 29

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Image 29
Lennox International Inc MERIT SERIES GAS FURNACE DOWNFLOW AIR DISCHARGE Trap / Drain Assembly Using 1/2 PVC or 3/4 PVC