Pay in 4 interest-free payments of $5.05 Learn more
Ships within 48 hours · Estimated delivery Sep 9 - Sep 14
High Seat Force: The 180 lb-in torque rating ensures reliable shut-off against high differential pressures in chilled water and steam systems
providing stable power distribution to compressor modules and EXV controllers
structural degradation of the pilot burner housing or sensor bracket requires a full assembly replacement to ensure long-term system reliability and safety
Extended 30-Foot Reach: The pre-terminated 30' cable simplifies routing through complex mechanical rooms and panel conduit
Universal Flange Design: Features a 7-bolt mounting pattern for high compatibility with various compressor models
Siemens Building Technology QAA2230.EWSN Sensor 318518-761 High Seat Force: The 180The Siemens Building Technology QAA2230. EWSN is a professional grade room temperature sensor engineered for precise environmental monitoring in commercial and industrial HVAC applications. This 10k Ohm Type 2 thermistor offers high accuracy sensing within a range of 32F to 122F (0C to 50C), making it a staple for Building Automation Systems (BAS) requiring reliable NTC resistance signals. Designed as a "blank front" unit, the EWSN model features no