The Warrick 3C1A22 is a professional-grade single short probe electrode fitting engineered for external side mounting on boilers and high-pressure vessels

This assembly includes the factory-balanced 4

it adheres to strict electrical tolerance standards

Precision Machined SAE Threads: 5/16 male flare and 1/4 MPT connections specifically sized for compatibility with modern mini-split and refrigeration systems

the split grounding ring design is specifically made for easy retrofit on 55mm shafts without removing the motor

Siemens Building Technology QFR9530.KIT Sensor 326058-758 The Warrick 3C1A22 is aThe Siemens Building Technology QFR9530. KIT represents a critical component for high performance environmental monitoring in commercial economizer and building automation systems. This comprehensive kit includes the QFR9530 duct surface mount sensor paired with the AQM5H prewired harness, a combination engineered to streamline the field installation process for HVAC contractors. By integrating both relative humidity and NTC 10k Type II thermistor