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

this OEM part provides the exact electrical ratings and mounting footprint required to restore factory system performance

the Modine 3H0349320004 Guard is precision-engineered to provide intake guard assembly protection while maintaining the required open area for full combustion air volume in accordance with technical manuals

Field Serviceable: Precision-machined internals allow for in-line repair and inspection to minimize system downtime

Key Benefits Dial-Set Calibration: Built-in adjustment dial enables accurate static pressure settings without requiring a separate pressure gauge

Siemens Building Technology QFR9530.KIT Sensor 326058-758 the split grounding ring designThe 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