Johnson Controls HE-68N3-1N00WS Humidity Transmitter Refrigerant While cleaning with a light

While cleaning with a light abrasive can temporarily restore a signal

visible through the cover for quick setpoint verification

Ensure the venting distance does not exceed manufacturer specs before replacing the switch

this wheel provides the exact static pressure needed to purge the heat exchanger and satisfy HVAC pressure switch requirements

Johnson Controls HE-68N3-1N00WS Humidity Transmitter Refrigerant While cleaning with a lightThe Johnson Controls HE 68N3 1N00WS is a professional grade wall mount humidity transmitter engineered for precise atmospheric monitoring in commercial HVAC systems. This unit features a high accuracy 3% humidity sensor integrated with a 1000 Ohm thin film nickel temperature sensing element, providing reliable dual mode feedback for environmental controllers. Designed for versatility in the field, it accepts a wide input range of 14 to 30 Vdc or 20 to