Browning AK59H Sheave 318423-701 Safe Operation: Normally closed configuration

Safe Operation: Normally closed configuration ensures gas flow is only active during a call for heat

While adapters can be used physically

System Protection: Effectively monitors plenum temperatures to prevent heat exchanger damage and hazardous operating conditions

making it highly versatile for most damper actuator replacements

and Normally Closed (NC) posts

Browning AK59H Sheave 318423-701 Safe Operation: Normally closed configurationThe Browning AK59H Sheave is a high performance 1 groove V belt pulley engineered for reliable power transmission in fractional horsepower applications. Constructed from close grain cast iron, this AK Series cast iron sheave is precision machined and statically balanced to ensure smooth, vibration free operation in demanding HVACR environments. It features a 5. 75" outside diameter and is designed to interface with H series split taper bushings,