Siemens Building Technology 535-490-18 Temperature Sensor 319848-301 The unit is thermally protected

The unit is thermally protected to prevent winding failure during continuous duty and features a 1/2-inch shaft diameter for standard hub compatibility

manufactured as model OPKC-2-120

It is designed to be field-installed onto existing shielded cables or sensor leads during repair or replacement of faulty connectors

What causes a flame sensor to fail prematurely

Optimized Compatibility: Designed specifically for York RTU units and compatible economizer frameworks

Siemens Building Technology 535-490-18 Temperature Sensor 319848-301 The unit is thermally protectedThe Siemens Building Technology 535 490 18 is a professional grade duct averaging temperature sensor designed for precise climate monitoring in large scale HVAC commercial systems. Utilizing a 100 Ohm Platinum RTD sensing element, this unit effectively mitigates the risks of temperature stratification by averaging the thermal profile across the airflow. The 18 inch rigid probe is constructed for durable deployment within supply or return air ducts,