Carrier 50DK500705 Exhaust Regulator 321142-301 this component is engineered to

this component is engineered to withstand the rigorous demands of submersible pump control panels where high humidity and organic contaminants often cause standard relays to fail

Field Adjustability: Features an integrated dial to set the high limit cut-out between 210°F and 250°F

it operates without an external selector switch

For two-stage units

Carrier 50DK500705 Exhaust Regulator 321142-301 this component is engineered toThe Carrier 50DK500705 Exhaust Regulator is a critical OEM replacement component designed to maintain precise atmospheric and internal pressure balances within commercial rooftop units and packaged HVAC systems. Engineered as a factory authorized part, this regulator ensures that exhaust gas discharge and combustion airflow remain within tight operational tolerances, preventing the common issues of overheating or inefficient heat exchange. Its 5 hole