or the furnace control board flashing a "limit circuit open" error code

providing ample lead for mounting the LWCO control box

the SEN0355 is designed to withstand the intense thermal environment of the burner box without signal degradation

Balanced Design: Precision manufacturing reduces mechanical stress on the fan motor

it maintains precise capacitance tolerances required to optimize motor torque and reduce amperage draw

Raytek MT4 IR Thermometer Els PW 17895 or the furnace control boardAs a field tested non contact infrared thermometer, the Raytek MT4 is a staple in the HVAC technician's diagnostic kit. Engineered for immediate data acquisition, this IR temperature gun operates across a wide range from 0F to 750F ( 18C to 400C), allowing for safe monitoring of evaporator coils, compressor discharge lines, and electrical busbars. With an 8: 1 distance to spot ratio, it provides precise HVAC troubleshooting capabilities without