Harwil Q12DS 1/2" NPT Flow Switch for Spas and Hot Tubs
This 2 amp pilot duty flow sensor activates at 10 gpm and deactivates at 8 gpm. Constructed with durable ABS body and corrosion-resistant stainless spring arm for reliable performance.
Complete kit contains strain relief connector (part 60-555-1225, 1/2") and one 1/2"fpt x 1/2"fpt coupling for easy installation.
Stationary arm dimensions:
- 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