Carrier 50DK501890 Flame Retainer Freon if you are installing this

if you are installing this indoors without piping a vent to the outside

maintaining compatibility across Carrier’s broader controls portfolio

The Watts 0780007

this 42-21593-02 relay operates reliably within low-voltage control loops

Durable Steel Construction: High-grade material provides the rigidity needed for consistent AEO-ranked airflow performance

Carrier 50DK501890 Flame Retainer Freon if you are installing thisThe Carrier 50DK501890 Flame Retainer is a critical OEM replacement part designed for high performance combustion systems in residential and commercial gas furnaces. Engineered from a robust high temperature resistant alloy, this component is built to withstand extreme thermal stress within the combustion chamber without deforming or losing structural integrity. As an essential safety and efficiency device, the 50DK501890 optimizes the airflow and