Part 2 of the DIY diverter video published in April of 2011. See part 3 for a workaround regarding the 40 mm ping pong ball not fitting in the schedule 40 pvc:
The 1 1/2 inch pipe must be schedule 20 not schedule 40.
by oana's crochet channel
by Joe Edelman
by Siju KS
by SIlver Sun