McQuay Daikin GEF1948K Sensor

The McQuay Daikin GEF1948K Outdoor Air/Water Temperature Sensor is a critical component for maintaining precision environmental control in commercial HVAC systems. This 10k ohm thermistor is engineered to provide accurate resistance feedback to the controller, allowing for optimized staging and load adjustments based on ambient conditions. Designed specifically for compatibility with Daikin Applied and legacy McQuay rooftop units, the GEF1948K ensures seamless integration with existing building automation protocols. The sensor's rugged construction facilitates reliable performance in both air-side and water-side applications, ensuring the microtech controller receives precise data for economizer logic and heat pump defrost cycles. When troubleshooting HVAC temperature sensor faults, replacing an aged or drifting thermistor with this OEM spec component prevents compressor cycling issues and maintains system efficiency. This genuine replacement HVAC sensor is the standard for technicians requiring exact Daikin sensor specifications for field service and preventative maintenance.

• High-Accuracy Thermistor: Provides precise resistance-to-temperature signals for exact setpoint management.
• Universal Compatibility: Engineered for McQuay Daikin GEF1948K systems to ensure plug-and-play installation without recalibration.
• Durable Enclosure: Built to withstand moisture and vibration in high-demand mechanical rooms or rooftop environments.
• Optimized System Efficiency: Enables proper ambient air temperature sensing for effective economizer operation and energy savings.

What is the resistance value of the GEF1948K?
This is a high-precision 10k ohm NTC thermistor designed to match the specific resistance curves required by Daikin and McQuay control boards.

Can this be used for both air and water applications?
Yes, the GEF1948K thermistor is rated for use as an outdoor air sensor or a water temperature sensor, depending on the specific system configuration and immersion well requirements.

How do I test if the sensor has failed?
Technicians should perform a resistance check using a multimeter and compare the reading against the standard McQuay/Daikin resistance chart for the current ambient temperature.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.