Tjernlund Products 950-9131 Panel Assembly 321702-401 and the Siemens Building Technology

and the Siemens Building Technology QFM3100 Sensor is engineered for exactly those demanding HVACR environments

reducing labor time for contractors during field replacements or new system integration

Integrated 24V Solenoid: Includes the reversing valve coil

and educational institutions

specifically within the 8320 AC Series

Tjernlund Products 950-9131 Panel Assembly 321702-401 and the Siemens Building TechnologyThe Tjernlund 950 9131 Panel Assembly is a critical replacement component designed specifically for the LB2 series Liter Balance systems. This notification panel assembly provides essential system status communication, monitoring pressure differentials to ensure proper combustion air delivery and venting safety. For technicians servicing commercial HVAC ventilation systems, this OEM assembly simplifies the restoration of the LB2 sequence of operation,