Internal technical standards dictate installing the Copeland 577-0428-01 in the main suction line

Featuring a 1/2" fixed bore and a 4

during compressor replacement

To ensure proper operation and National Board certification

Browning 2AK59H Sheave 322838-754 Internal technical standards dictate installingThe Browning 2AK59H Sheave is a precision machined two groove cast iron pulley engineered for reliable power transmission in light duty HVAC and industrial blower applications. Designed with a 5. 75" outside diameter, this sheave is compatible with 3L, 4L, and A section belts, providing versatile drive ratios for belt driven fans and air handlers. Constructed from high grade grey cast iron, it offers superior vibration dampening and heat dissipation