Pressure Switch used on J-200 Series and 2001 and Previous JACUZZI® Spas. Switch is fully adjustable from 1-5 PSI. Switch ships set at the standard 2-PSI. NOTE: This is an aftermarket switch, not the original JACUZZI® OEM part. It does, however, have all the same size connections and has the same size threaded stem as the original, and is a direct replacement. Part# 1400 (Replaces 2000-064, G323000, 2000-065, F800000, 2000-636, R961000, and 6560-869)