Carrier P257-8590 Motor 320819-301 Whether managing terminal unit reheating

Whether managing terminal unit reheating or cooling coil flow

maintaining consistent amperage draw under varied thermal loads

Its primary function as a crankcase pressure regulating valve (CPR) is to throttle vapor flow automatically until the compressor can safely handle the load

Can this valve be used for liquid service

This direct drive blower wheel features a 11 15/16-inch diameter and a 5 9/32-inch width

Carrier P257-8590 Motor 320819-301 Whether managing terminal unit reheatingThe Carrier P257 8590 is a heavy duty, multi speed PSC blower motor designed specifically for direct drive applications in residential and commercial air handlers and furnaces. Operating at 208 230V, this single phase motor delivers 3 4 HP at a rated speed of 1075 RPM. As a three speed HVAC motor, it provides the versatility required for precise airflow adjustments and balancing across various static pressure conditions. Built with a NEMA 48 frame and