Tjernlund Products 950-9131 Panel Assembly 321702-401 it includes the discs and

it includes the discs and O-rings

it is manufactured to precise tolerances to ensure the integrity of the heat exchanger assembly

Key Benefits for Technicians: OEM Precision: Guaranteed compatibility with Trane HVAC systems

Common indicators include a physically swollen or "mushroomed" top

Tjernlund Products 950-9131 Panel Assembly 321702-401 it includes the discs andThe 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,