Spas and hot tubs that operate with a failing circuit board put the whole works (and your safety) at risk. We can help bring back the enjoyment of your spa — order this MS501S circuit board replacement and receive free shipping to all addresses in the "Lower 48".
The Spa Dragon is a patented monitoring system with thermal backup protection that prevents freeze damage caused by equipment failure. Stay worry-free in winter, with real-time alerts and automatic heating activation—no matter where you are.