American Marine PINPOINT Temperature Controller & Probe™ is an inexpensive but rugged controller that can be used for a chiller or a heater; or both a chiller and a heater. Fully programmable setpoints. Farenheit only readout and resolution to 1/10 of a degree, e.g. 78.6 F, make this an easy choice for larger reef systems. Available 110VAC only.
The PINPOINT Temperature Controller™ is the perfect way to regulate temperature in the aquarium. 110 VAC operation. Never needs calibration.