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The Digital Temperature Controls and Combination Controls provide an LCD temperature display that indicates both the set and actual temperatures of the water, providing an extremely reliable and accurate temperature control for aquaculture heating systems. They can be set to display °F or °C. All controls are manufactured with UL-listed components. Made in USA.
The Digital Combination Control consists of gasketed plastic enclosure, thermostat, contactor and replaceable Protector 1 thermal protection. Models NA30DXA and NA50DXA include upgradeable Protector 2 resettable thermal protection.
REPLACEMENT HEATER THERMAL PROTECTORS
Protector 1 is standard on all heaters, including EasyPlug™. It consists of a temperature sensitive protector installed in the heater which will shut down electricity (usually from low water level) to the heater element. Once activated, the protector must be replaced to restore power to the heater, so keep a spare one on hand.
Protector 2 is an upgraded safety option that includes an audible alarm and manual reset button. During periods of high heater temperature or low water levels, an alarm will sound and electricity to the heater will be disconnected. The manual reset button will deactivate the alarm and reconnect electricity to the heater. Repeated alarm conditions may eventually cause the protector to fail, which will disconnect power. Restoring power will require a replacement protector. Both the control and heater need to be ordered with Protector 2.