This type of Harwil reed flow switch has traditionally been used on older Sundance spas and is immediately recognisable due to it's different shape and style to ALL other Harwil flow switches.
Side discharge circulation pump (Common)...
LED Spa BulbsReplace your existing white spa...
Barb Adaptor 1/2" Socket or 3/4" Spiggot x 3/4"...
For use and to fit all the Sundance temp...
For capping off 3/8" air manifolds, like the...
Laing E10 The MOST Common Laing in Europe. UK...