YMGI: Your Modern Green Idea
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
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8. The horizontal pipe can be connected to vertical pipe in the same level; please select the connection way as
shown in following fig.
a. NO1: Connection of drainage pipe joints. Figure 1
b. NO2: Connection of downspout elbow. Figure 2
c.
NO3: Inserting pipe connection. Figure 3
9.
The installation height of raising pipe for drainage should be lower than B. The slope from raising pipe towards
drainage direction should be at least 1%~2%. If the raising pipe is vertical with the unit, the raising height should
be less than C.
Model
A
B
C
WMMS-09EF-M2B(59)4
WMMS-12EF-M2B(59)4
WMMS-18EF-M2B(59)4
WMMS-21EF-M2B(59)4
WMMS-24EF-M2B(59)4
5-
7/8” (150mm
）
33-
1/2” (850 mm
）
31-
1/2” (800 mm
）
10. Drain pipes should have a downward slope of at least 1%~2%, in order to prevent pipes from sagging, install
hanger bracket at intervals of 39-3/8~59 in. (1000~1500 mm).
