Harwil Flow Switch [1/2"Thd] [Q12DS Kit] [Hubble Fitting & 1/2"Cplr] (Q12DS501.54SNO1) pentairamerican The single-pump configuration gives this

The single-pump configuration gives this panel practical value because not every spa requires a multi-pump interface

CMP spa jet internal

It helps the system monitor flow related conditions so heating functions operate with the right safeguards in place

The 18 inch by 12-7/16 inch dimensions

Harwil Flow Switch [1/2"Thd] [Q12DS Kit] [Hubble Fitting & 1/2"Cplr] (Q12DS501.54SNO1) pentairamerican The single-pump configuration gives thisA flow switch helps verify water movement in a compatible system so connected equipment can respond appropriately when flow is present, and this Harwil version is a Q12DS kit with a 1 2 inch threaded connection, Hubble fitting, and 1 2 inch coupler using the Q12DS501. 54SNO1 reference. Kits like this are useful when a complete flow switch setup is preferred over sourcing multiple installation pieces separately. This package has practical value because