The 20-693 Barber Colman assembly features an integrated internal support spring to prevent kinking in tight enclosures

It maintains the same 150-170 degree temperature range and mounting footprint

sharing identical connection sizes and internal capacity

Replacing a failing relay with this high-rating 30-amp component restores reliable circuit closure

Common Questions & Technical Support How do I set the draft for an oil-burning application

Lennox 53J96 Sheave Els PW 17895 The 20-693 Barber Colman assemblyThe Lennox 53J96 is a high performance single groove cast iron sheave designed for precise airflow management in commercial and residential HVAC blower assemblies. This variable pitch motor pulley features a robust 4. 15" outside diameter and is engineered for a 7 8" fixed bore shaft, providing a reliable mechanical interface for power transmission. Designed as a direct OEM replacement sheave, the 53J96 allows technicians to fine tune system