specifically known as the HMI-1TT7

While some versions include power modulation to reduce VA load

Quiet Operation: Advanced programmed speed ramping ensures soft starts and reduced mechanical noise

you may need to move to a different color-coded spring

Browning AK154H Sheave L99H008 specifically known as the HMI-1TT7The Browning AK154H Sheave is a robust, single groove cast iron sheave engineered for reliable power transmission in demanding HVACR applications. With a 15. 25" outside diameter, this fixed pitch sheave is designed for optimal performance with 3L, 4L, and A section V belts, requiring an H series bushing for secure mounting. Its durable cast iron construction ensures a long service life and consistent operation in systems like fans, blowers, and