Siemens Building Technology 540-680FA Sensor 320735-701 Contractor Friendly: Simplified reversible rotation

Contractor Friendly: Simplified reversible rotation wiring allows for quick adaptation to clockwise or counter-clockwise requirements in the field

The balanced port construction compensates for changes in head pressure

How do I ensure this is the right part for my burner

maintaining the internal integrity of the combustion system

Siemens Building Technology 540-680FA Sensor 320735-701 Contractor Friendly: Simplified reversible rotationThe Siemens Building Technology 540 680FA is a Series 1000 wall mounted room temperature sensor designed for seamless integration with Terminal Equipment Controllers (TEC) and LONMARK compliant systems. This desert beige unit features a high precision 10K Ohm Type II NTC thermistor, ensuring accurate thermal feedback within a standard operating range of 55F to 95F. Engineered for professional grade HVAC automation, the 540 680FA includes a secondary