Carrier 50DK504557 Draft Shield 321894-706 this mechanical metering device protects

this mechanical metering device protects the compressor from liquid slugging while maximizing heat absorption

When retrofitting

Dry Fire Prevention: Actively monitors water levels to protect expensive heat exchangers from overheating and thermal stress

this assembly is the core heater and mounting plate

ensure the connected P32 switch is mounted vertically for the most accurate factory-calibrated setpoints

Carrier 50DK504557 Draft Shield 321894-706 this mechanical metering device protectsThe Carrier 50DK504557 Draft Shield is a critical OEM replacement part designed to maintain the airflow integrity of Carrier, Bryant, and Payne furnace and packaged units. As a veteran technician, you know that keeping unconditioned air and environmental contaminants out of the combustion chamber is vital for preventing nuisance trips and ensuring consistent thermal efficiency. This factory authorized component acts as a robust internal barrier,