💧 Flow Switch Kit, Harwil Q12DS, 1/2″mpt, 2A
Made by Harwil, manufacturer part number Q12DS501.54SNO1K.
📏 Specifications
| Specification | Value |
|---|---|
| Brand | Harwil |
| Manufacturer part number | Q12DS501.54SNO1K |
| Model | Q-12DS |
| Plumbing Connection Type | Male Pipe Thread (mpt) |
| Plumbing Connection Size | 1/2″ |
| Flow Switch Application | Multiple |
| Flow Switch Amperage | 2A |
| Catalog description | Flow Switch Kit, Harwil Q12DS, 1/2″mpt, 2A |
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.
Stationary arm measurements:
- 2" Distance between end of the arm and bottom of the threads
- 2-5/8" Distance between end of the arm and top of the threads
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
![]() |
Flow Switch, Harwil Q8DS, 1"mpt, 25A, w/Drag Strip | Q8DS/A/10502 | 17 in stock | $99.04 | Add to cart |
![]() |
Reducer Bushing Fitting 437-251 – 2"SPG x 1-1/2"S | 437-251 | 779 in stock | $5.02 | Add to cart |
![]() |
Generic PTFE Teflon/Plumbers Thread Seal Tape A05-0265 | A05-0265 | 214 in stock | $1.27 | Add to cart |
![]() |
Silicone, DOW 732, 3oz Tube, Clear | DC-732-CLR-3 | 186 in stock | $17.88 | Add to cart |









