or become etched if particulate matter is circulating within the refrigerant stream at high velocities

As an experienced tech knows

This switch is calibrated for precision sensing

it stabilizes system performance and addresses low voltage start-up problems common in older air conditioning units

Ensures proper system operation by accurately monitoring vent system pressure

Amana-Goodman D6723320S Blower Wheel Els PW 17895 or become etched if particulateThe Amana Goodman D6723320S Blower Wheel is a precision engineered centrifugal fan component designed for high performance air delivery in 3. 5 to 4 ton residential HVAC systems. Featuring a 11 inch diameter and 9 inch width, this CW (clockwise) rotation wheel is built from heavy duty galvanized steel to resist corrosion and structural fatigue under high static pressure. The unit comes with a standard 1 2 inch bore hub, ensuring a direct fit interface