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
(Lower 48 States)
No Sales Tax (except California 7.50%)
Hide William K.,
Hide R. B. ,
Hide Eric B.,
more ... Yvette H.,
Hide David K.,
Hide J. C. L. ,
Hide William P.,