Flow switch 1-7/8 probe (3/4" thread)

Harwil Reed Flow switch common to systems using Gecko and Hydroquip electronics and Laing heaters.

This type of Harwil reed flow switch is a LESS common type, so we suggest you check these sizes before buying :

Thread diameter : 3/4"
Grey probe length : 1-7/8"

Known to fit Beachcomber hot tubs.

Normally found screwed into a "Tee" plastic housing

VERY easy to fit.

You might have to join wires or push into existing plug.