ProTek Shield is a cutting-edge module that protects the heat exchanger and extends the life of your Raypack digital gas pool and spa heaters. Rest, soak or swim knowing that your pool heater investment can be enjoyed even longer thanks to this innovative, patent-pending technology.
- Recommended replacement annually
- Excellent for use in chlorinated and salt water pools
- Engineered to take the brunt of the corrosion that naturally occurs over time - erosion of the ProTek shield means it's working!
- Utilizes breakthrough patent pending technology
- Compact design
- Easy to replace, saving you time and money