Browning AK66H Sheave 318973-401 Replacing a compromised limit control

Replacing a compromised limit control ensures system reliability and prevents nuisance tripping caused by weakened internal thermal discs or high-resistance electrical connections frequently seen in aging residential HVAC systems

The Robertshaw 700-804 is a high-capacity combination gas valve designed for demanding commercial and industrial heating applications

Designed as a non-spring return direct coupled actuator

maintaining the electrical signal integrity required by your combustion controller to verify flame presence during the entire firing cycle

This genuine OEM replacement ensures your outdoor condensing unit maintains precise airflow for efficient heat exchange

Browning AK66H Sheave 318973-401 Replacing a compromised limit controlThe Browning AK66H Sheave is a precision engineered single groove cast iron pulley designed for industrial grade performance in HVACR air handling units and blower assemblies. Engineered for use with H Series Bushings, this 6. 45" outside diameter component provides a balance of low weight and high durability. It is compatible with 3L, 4L, and A section belts, offering flexibility for various drive configurations. Constructed from high quality cast