Lennox X4148 Temperature Sensor The forged brass body eliminates

The forged brass body eliminates the risk of porosity and cracking common in lower-quality imports

Universal Mounting: The rectangular metal guard facilitates horizontal or vertical orientation to accommodate various thermostat footprints

Rugged Construction: Features a high-grade stainless steel stem and plunger assembly for extended service life in high-cycle applications

ensuring a clean flare or using a compatible 3/16" brass nut and sleeve is recommended

and Luxaire models requiring 600V protection

Lennox X4148 Temperature Sensor The forged brass body eliminatesThe 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