CoralVue FW110 HIGH WATTAGE Electronic Top-off Float Switch.
CoralVue HIGH WATTAGE Electronic Auto Top-off Unit comes complete with; float switch and mounting bracket. The unit requires a pump to keep a constant level in the sump. When the water level in the sump drops, switch will turn on the reservoir pump and turn it off after the sump fills up to a correct level. Specifications: - Automatically controls water levels in aquarium or sump. - Electronically built to be safe for the user and livestock. - Pump not included