If the heater is making a clicking sound but failing to ignite

"true" reading

How do I troubleshoot a non-starting compressor with this module

This is the idler pulley and bearing assembly

This HVAC pressure sensor is constructed with durable housing and high-conductivity terminals to withstand the thermal cycling and moisture found in condensing furnaces

Tjernlund Products 950-9131 Panel Assembly 323080-701 If the heater is makingThe 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,