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.
For capping off 3/8" air manifolds, like the...
Side discharge circulation pump (Common)...
2" Spigot x 2" S x 3/8" Air Bleed. Does not...
Barb Adaptor 1/2" Socket or 3/4" Spiggot x 3/4"...
Hot Tub water manifold with x4 plugs
LED Spa BulbsReplace your existing white spa...
For use and to fit all the Sundance temp...
Hand held cutting tool for those awkward hard...