For technicians performing field maintenance or LP gas conversion

Look for excessive ice buildup on the outdoor coil

While the HUS1207 is a standard Trane OEM part

board-mounted 1/2" bimetal disc limit control designed for precise thermal oversight in forced-air heating systems and industrial furnace applications

Lennox 81W45 Blower R-407A For technicians performing field maintenanceUpgrade or repair your Lennox heating system with the Lennox 81W45 combustion air blower assembly. This OEM Lennox replacement part, also identified by model LB 94724AC, is a critical component for maintaining proper draft and air fuel mixtures in high efficiency furnaces. It features a high performance 1 20 HP PSC motor capable of 2800 3200 RPM, operating on a standard 115V single phase circuit. This assembly is a direct replacement for Lennox draft