The IceCap ATO EZ Auto Top‑Off System is a reliable, plug‑and‑play solution designed to automatically replenish evaporated water in marine or freshwater aquariums. Featuring a triple optical sensor setup—including dual sensors for normal operation and a third safety sensor for backup—it prevents overfills and pump run‑dry scenarios. The compact magnetic sensor housing can mount to clear, tinted, or painted surfaces up to ½″ thick. Everything you need is included: the controller, refill pump, power adapter, tubing, siphon-break, and mounting hardware—all engineered for quiet, dependable operation .
Sensor Design: Three optical sensors for primary, secondary, and safety fail‑safe detection
Pump Type: Brushless DC refill pump rated ~5 W, up to ~74 GPH, max head ~6 ft (~1.8 m)
Pump Dimensions: Approx. 1.5″ × 1.5″ × 1.5″ (3.8 cm cube)
Tubing Included: 6.5 ft (≈2 m) water tubing, universal tubing holder, built-in siphon breaker
Mounting Capability: Magnetic mount compatible with surfaces up to ½″ (12.7 mm) thick
Status Indicators: LED lights indicate low, normal, and safety-level conditions; red alarm on safety sensor triggered
Warranty: 1‑year limited coverage