Washing machine standpipe question

[Dmt78]

I have my stand pipe at 19” for my washing machine. Someone said I may have issues with water coming back up when draining and I should cut and go longer. From y’all experience is this a problem? Thanks

 

[Terry]

19" with a 2" standpipe should be fine.

804.1 All plumbing fixtures or other receptors
receiving the discharge of indirect waste pipes shall be
approved for the use proposed and shall be of such
shape and capacity as to prevent splashing or flooding
and shall be located where they are readily accessible
for inspection and cleaning. No standpipe receptor for
any clothes washer shall extend more than thirty (30)
inches (762 mm), nor less than eighteen (18) inches
(457 mm) above its trap. No trap for any clothes
washer standpipe receptor shall be installed below the
floor, but shall be roughed in not less than six (6)
inches (152 mm) and not more than eighteen (18)
inches (457 mm) above the floor.