Johnson 09-47028-03 pump pressure switch rated 2.1 Bar (30.4 PSI) is suitable for use with Johnson Aqua Jet WPS pumps:

- WPS 2.4 (10-24604-09, 10-24604-10, 10-24604-11 & 10-24604-12)

- WPS 2.9 (10-13405-09, 10-13405-10, 10-13405-11, 10-13405-12, 10-13410-03 & 10-13410-04)