ensuring seamless fit in Johnson Controls family units

System Protection: Stops active stem leaks that can lead to electrical failure in the power head or motor assembly

This sensor features a 7-1/2 foot capillary length and SPDT switch action

F threshold

leak-proof seal under pressure

Lennox X4148 Temperature Sensor ensuring seamless fit in JohnsonThe Lennox X4148 Temperature Sensor is a high precision NTC (Negative Temperature Coefficient) thermistor designed for critical outdoor ambient monitoring. Engineered specifically for integration with Lennox Comfort Sense 5000 thermostats, including the X4146 and X4147 models, this sensor is essential for dual fuel HVAC systems. It provides the real time thermal data required for accurate staging and auxiliary heat lockout, ensuring the system toggles