Harwil Q12DS Cal Spa Flow Switch (Q12DS/CAL SPA) pumpmotors 2 inch by 15 inch

2 inch by 15 inch body and 5

the whole assembly can feel less secure than it should

The Raypak 206A common refractory kit is designed for compatible heater applications where the supported refractory components need replacement

Replacing worn or aging components with genuine Balboa parts helps restore efficiency

A terminal block is useful because it helps keep wiring cleaner

Harwil Q12DS Cal Spa Flow Switch (Q12DS/CAL SPA) pumpmotors 2 inch by 15 inchA flow switch helps confirm water movement in a compatible spa system so related equipment can operate under the correct conditions, and this Harwil Q12DS version is intended for Cal Spa applications using the Q12DS CAL SPA reference. Flow sensing is especially important in spa systems where heaters and controls depend on dependable circulation confirmation. This switch has practical value because it is matched to a specific application family,