3-Breaker 110v. Control Box for Aerobic Systems. Features; High water alarm 15amp, Compressor 15amp, Dial 15 min. interval Timed Pump 20 amp, Over ride, and pump test for Convenience. Requires 1-30 amp designated circuit. Compatible to any aerobic system with an alarm mounted compressor. Has a 1 yr. warranty. All Tran boxes are available with extended warranty. Made in USA.