20" PF rating ensures the furnace operates within the manufacturer's tight safety tolerances

000 BTU on natural gas applications

Compatibility is based on the specific coil and condenser match-up

It is an essential component for industrial refrigeration high pressure cutout applications where ammonia safety controls are non-negotiable

By enabling seamless integration with field mounted devices

Lennox 21703 Wheel 30067439-890 20" PF rating ensures theWhen you are dealing with a critical airflow issue in a high capacity system, the Lennox 21703 Blower Wheel is the direct OEM replacement fan wheel engineered to restore factory spec HVAC performance. This double inlet centrifugal wheel features a precise 12 5 8 inch diameter and 12 5 8 inch width, designed specifically for a 5 8 inch bore shaft. Constructed from heavy duty galvanized steel, this forward curved blower wheel is built to handle the