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Bottom Endcap: 46mm SAE thread
This means that the silver can only reach a certain level in the pool water
These sensors are commonly used in controllers pre 2002 and are plugged into the side of the box
9mm hole required in spa
Harwil Flow Switch Generic Covers Bottom Endcap: 46mm SAE threadProduct Description Harwil Flow Switch Commonly used on Sundance Spas and other brands. Fits 3 4"(19mm) tube for inlet and outlet. Made in USA Sold individually To be fitted by a qualified electrician, pool or spa technician only. Spa Store will not be liable for incorrect installation, damage or injury caused by an un qualified person installing this part. Still not sure this is the correct part? Email us.
