IMPORTANT: Increasing the drain hose length,
installing elbows, or causing bends will decrease
drain flow rates and increase drain times,
impairing machine performance.
Drain connection size, ID
Number of drain outlets
Drain flow capacity
Recommended drain pit
size
Model
2 in. (52 mm)
18, 20
2 in. (52 mm)
25
2 in. (52 mm)
27, 30
3 in. (76 mm)
35
3 in. (76 mm)
40
3 in. (76 mm)
50
3 in. (76 mm)
80, 125
F232135
Drain Information
18, 20
25
2.38 in.
2.38 in.
(60 mm)
(60 mm)
(52 mm)
1
1
20 gal-min
25 gal-min
25 gal-min
(76 l-min)
(95 l-min)
(95 l-min)
3
3
1.80 ft
2.36 ft
(51 l)
(66.8 l)
Drain Line Sizing
Minimum Drain ID
1
2
3 in. (76 mm)
3 in. (76 mm)
3 in. (76 mm)
3 in. (76 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
Refer to Table 4 for capacity-specific drain
information.
NOTE: Installation of additional machines will
require larger drain connections. Refer to Table 5.
27, 30
35
2 in.
2.38 in.
3 in.
(60 mm)
(76 mm)
1
1
35 gal-min
50 gal-min
(132 l-min)
(189 l-min)
3
3
2.50 ft
3.14 ft
4.52 ft
(70.3 l)
(88.9 l)
(128 l)
Table 4
Number of Machines
3
3 in. (76 mm)
3 in. (76 mm)
3 in. (76 mm)
3-1/2 in. (89 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
Table 5
40
50
80
3 in.
3 in.
(76 mm)
(76 mm)
1
1
1
50 gal-min
50 gal-min
(189 l-min)
(189 l-min)
3
3
4.52 ft
5.90 ft
(128 l)
(169 l)
4
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
4 in. (102 mm)
6 in. (152 mm)
4 in. (102 mm)
6 in. (152 mm)
6 in. (152 mm)
6 in. (152 mm)
Installation
125
3 in.
(76 mm)
1
70 gal-min
(265 l-min)
3
3
13 ft
(368 l)
5
29