Maytag Commercial MAT23MN Instructions page 12

DRAIN SYSTEM
Floor standpipe drain system
203 mm
(8")
Minimum diameter for a standpipe drain: 51 mm (2"). Minimum
carry-away capacity: 38 L (10 gallon) per minute. Top of
standpipe must be at least 990 mm (39") high; install no higher
than
2.44 m (96") from bottom of washer.
Wall standpipe drain system
203 mm
(8")
12
990 mm
(39")
Floor drain system
Floor drain system requires a Siphon Break Kit
(Part Number 285320). Minimum siphon break: 710 mm (28")
from bottom of washer. Additional hoses may be needed.
Laundry tub drain system
203 mm
990 mm
(8")
Minimum capacity: 76 L (20 gallon). The top of the laundry tub
must be at least 990 mm (39")
710 mm
(28")
(39")