Carrier HH79NZ026 Temp Sensor 319847-401 The Johnson Controls PSMN40A24DS is

The Johnson Controls PSMN40A24DS is a heavy-duty

or soot/dust buildup on the heating elements

This specific model is designed for direct connection to compatible Daikin-McQuay controllers and is generally categorized as not being directly compatible with stand-alone Building Automation Systems without a translation module

Field-Adjustable Setpoints: Easily tune the actuation point between 200 and 1800 FPM to match specific system requirements

Carrier HH79NZ026 Temp Sensor 319847-401 The Johnson Controls PSMN40A24DS isThe Carrier HH79NZ026 is a high precision outside air temperature sensor engineered for commercial and residential HVAC applications. As a genuine OEM replacement thermistor, this 2 wire NTC (Negative Temperature Coefficient) sensor provides critical ambient data to the control board, enabling precise heating and cooling thermal management. With a nominal resistance of 10k ohms at 77F, the HH79NZ026 ensures your system accurately calculates economizer