Harwil Q12DS Flow Switch Kit [1/2" MPT] [2A] (Q12DS501.54SNO1K) pentairpool This replacement is especially useful

This replacement is especially useful when the original equalizer is worn

The Spa Components flo-thru housing is designed for compatible 2 inch by 15 inch heater applications where the housing section itself needs to be replaced

3" diameter housing with 2" MBT connections

For homeowners trying to restore original performance

Harwil Q12DS Flow Switch Kit [1/2" MPT] [2A] (Q12DS501.54SNO1K) pentairpool This replacement is especially usefulA flow switch kit helps verify water movement in a compatible system while simplifying installation through a matched package of parts, and this Harwil Q12DS version is a 2 amp kit with a 1 2 inch male pipe thread connection using the Q12DS501. 54SNO1K reference. Kits like this are useful when a more complete replacement approach is preferred over piecing together separate components. This kit has practical value because it is built around a known