HVAC Sensors

Manufacturer Part Number: RHC-ZNS4 Rheem RHC-ZNS4 is a room humidity sensor that transmits the humidity setting to the DDC system.Installation Available RFWEL Engr provides installation assistance...

Manufacturer Part Number: 8051 Aprilaire 8051 is a flush-mounted temperature sensor designed to be mounted in a wall for a sleek, unnoticeable installation.Key FeaturesFor use with the Aprilaire...

This item is DISCONTINUED/ END-OF-LIFE (EOL). It has been replaced with KRCSH2018-02 (please contact us if this recommended replacement

Manufacturer Part Number: KRCS01-1B The KRCS01-1B temperature sensor extends the sensing location by replacing the return air thermistor in the indoor unit to allow for remote sensing.Key...

Manufacturer Part Number: TP-Z-RDASW The Vive Comfort TP-Z-RDASW wireless discharge air sensor measures discharge air temperature for safe and efficient zone control (or zoning).Key FeaturesIt works...

Manufacturer Part Number: TP-Z-ROSW Vive Comfort TP-Z-ROSW is an outdoor wireless remote sensor. The supported wireless range between the remote sensor and a master thermostat is up to 100 feet with...

Manufacturer Part Number: TP-Z-RISW Vive Comfort TP-Z-RISW is a zone/control sensor configurable for ambient sensor only, system setpoint override control (T955WH), and full zone control (Z955W).Key...

Manufacturer Part Number: TP-ROS-250S Key FeaturesCompatible with the T755S, T855SH and T855iSHInstallation Available RFWEL Engr provides installation assistance for HVAC Sensors. Please contact us...

Manufacturer Part Number: TP-RIS-251S The R251S is a wired remote sensor that allows sensing of temperature away from the thermostat.Key FeaturesCovers a resistance range of upto 300 feetCompatible...

Manufacturer Part Number: 88K3001 Lennox 88K3001/ 88K30 Heat Pump Defrost Sensor. Opens at 42 degrees. This sensor mounts on a 3/8 Copper line in the Heat Pump. When a defrost sensor goes bad, the...

Manufacturer Part Number: T8100-D-LN CO2 ventilation controller that communicates with Prodigy and Lennox equipment, as well as electromechanically controlled third-party equipment.Supports constant...

USED RETURN: This is an open-box item returned by a customer within our 30-day refund period. Box may be missing or open but item is like new. Item has been inspected and/or tested and is in...