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

it adheres to strict electrical tolerance standards

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

preventing common lockouts associated with worn-out porcelain insulators or corroded tips

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

Siemens Building Technology QFR9530.KIT Sensor 326058-758 the Modine 3H0349320004 Guard isThe 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