Siemens Building Technology QFM81.2 Sensor Refrigerant This HVAC control transformer is

This HVAC control transformer is designed to handle the inductive inrush loads typically associated with commercial air handling units and rooftop systems

This wiring harness is easy to install and superior resistant to moisture

verify that the evaporator coil is seated properly and slightly pitched toward the drain port to prevent stagnant water buildup or biological growth

This is a safety device designed to vent refrigerant when internal system pressure exceeds safe operating limits

By utilizing high-density

Siemens Building Technology QFM81.2 Sensor Refrigerant This HVAC control transformer isThe 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