Siemens Building Technology QFM81.2 Sensor 320819-301 50-inch condenser fan blade to

50-inch condenser fan blade to provide consistent cubic feet per minute (CFM) for critical cooling applications

this HVAC replacement part is the standard for service technicians maintaining York

2-way normally closed solenoid valve designed for high-cycle performance in water

Built with proprietary materials

Siemens Building Technology QFM81.2 Sensor 320819-301 50-inch condenser fan blade toThe Siemens QFM81. 2 is a professional grade duct hygrostat designed for precision monitoring and control of relative humidity in commercial HVAC systems. This duct mounted sensor utilizes a stabilized plastic sensing element that remains accurate and linear even in high humidity environments. As a veteran technician knows, the SPDT output signal is critical for seamlessly switching between humidification and dehumidification equipment, making it a