What belt sizes are compatible with this variable groove pulley

Built with a 48Y frame and a 1/2-inch shaft

The internal normally closed (NC) contacts are calibrated for a precise pick-up voltage range of 323-352V and a drop-out voltage of 75-135V

Key Benefits: Ensures a precise vacuum-tight seal for Carrier 5H40

the inducer is likely dragging or failed

Carrier HK42FZ094 Control Board 322057-301 What belt sizes are compatibleThe Carrier HK42FZ094 Control Board is a high performance integrated furnace control (IFC) designed to manage the critical ignition, blower, and safety sequences within Carrier, Bryant, and Payne residential furnaces. As a genuine OEM replacement part, this board provides a verified solution for service technicians addressing intermittent heating failures or "no heat" calls. This HVAC circuit board replacement integrates a 3 amp blade fuse for low