Description
Harwil Q12DS Flow Switch 1/2″ NPT
2 amp pilot duty switches on at 10 gpm and switches off at 8 gpm. ABS body, stainless spring arm
Kit includes one each 60-555-1225, 1/2″ strain relief connector & one 1/2″ fpt x 1/2″ fpt coupling
Harwil Pilot Duty Flow Switch
- 1/2″ MPT
- SPNO
- 1/2″ PVC
- Caldera
- 1-1/2″ @ ‘A’

![Harwil Flow Switch [1/2″Thd] [Q12DS Kit] [Hubble Fitting & 1/2″Cplr] (Q12DS501.54SNO1)](https://www.rapidcarpartsmart.com/wp-content/uploads/2026/09/harwil-flow-switch-1-2-thd-q12ds-kit-hubble-fitting-1-2-cplr-q12ds501-54sno1.webp)







