To withstand harsh environments

the Trane IGN0054USA is the official direct replacement for the legacy IGN00034 part number

including those utilizing hot water

As a critical OEM unit heater part

Schneider Electric (Barber Colman) 2232-150 Humidity Transmitter THPU32HP7Y To withstand harsh environmentsThe Schneider Electric (Barber Colman) 2232 150 is a rugged, one pipe force balance duct humidity transmitter engineered for precise atmospheric monitoring in pneumatic HVAC systems. Designed for direct duct mounting, this instrument senses a full 0 to 100% relative humidity range and converts it into a linear 3 15 psig output signal. This signal provides critical data to receiver controllers and remote gauges, ensuring stable modulation of