Flow Switches & Pressure Switches
These safety devices are designed to cut power to the heater in the event of low or a no water flow condition. If you drained the spa but forgot to unplug it, these devices prevent a "dry fire" of the heater.
...because meltdowns are bad!
30-Day Money Back Satisfaction Guarantee
Free shipping on orders over $99.00
(Lower 48 States)
No Sales Tax (except California)
Hide Gary G.,
more ... Tim P.,
Hide Peter B.,
Hide Greg L.,
Hide ellen h.,