Artesian Spas / LA Spas flow switch

Artesian Spas / LA Spas flow switch used with Gecko MSPA-MP spa packs - 3 pin plug. 

Also marked Harwil Q-12DS-C2 3/4" ribbed barb connections plus 3/8" ribbed barb 3rd connection which can be plugged if not used - may be used as an air bleed port by some spa brands. 
These are extra low voltage - max ratings - 10w, 30vAC/60vDC, 0.4A 
Cannot be used for alternate applications using 240v power. Identical to Sundance Spas flow switch except for the electrical plug type (Sundance use box end connectors)