ATS-GDS Replacement Control Box/ With RetroFit Wall Mounting Bracket Features: - LED Visual & Audible Alarms - Monthly Countdown Timer - 30 Day Replacement Alarm - UV Lamp out Alarm - Shutoff Solenoid Valve Connection (solenoid sold separately) - Build in Surge Protector - Replaceable 3 Amp Fuse - Splash Proof Plastic Injection Molded Box

- Retrofit Wall Mount Bracket Direct Replacement for EV, GDS, and PFC Series for 8GPM, 12GPM and 20GPM (gallons per minute).