Factory calibrated; no field calibration required May be used for temperature averaging between PC8900 Control Panel and C7189A Sensor for improved comfort Capable of remote temperature sensing and control with PC8900 Control Panel Negative temperature coefficient thermistor sensing element Easy to install and use The FocusPRO non-programmable digital thermostat provides electronic control of 24 Vac
Factory calibrated; no field calibration required May be used for temperature averaging between PC8900 Control Panel and C7189A Sensor for improved comfort Capable of remote temperature sensing and control with PC8900 Control Panel Negative temperature coefficient thermistor sensing element Easy to install and use The FocusPRO non-programmable digital thermostat provides electronic control of 24 Vac conventional and heat pump systems or 750 mV heating systems. – Manufacturer: HONEYWELL – Country of Manufacture: United States – Manufacturer Part Number: TH5110D1022.
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FYI. This is a commercial product with NO end user warranty. I purchased this product from Amazon in May of 2010 and it has worked fine until recently. Since the thermostat was still under warranty (5 years) I decided to call Honeywell.