Carrier KH43LG070 Filter Drier 321702-401 Frequent tripping usually indicates restricted

Frequent tripping usually indicates restricted airflow from a dirty filter

or a failing blower motor drawing excessive amperage which can overheat the board's traces and components

a specific conversion kit must be installed by a qualified technician to change the regulator spring and orifice settings

Balanced Performance: Factory-balanced 3-blade design minimizes shaft wobble

It matches the original mounting footprint and voltage requirements of legacy Trane and American Standard units

Carrier KH43LG070 Filter Drier 321702-401 Frequent tripping usually indicates restrictedThe Carrier KH43LG070 Filter Drier is a critical liquid line filter drier designed for high performance moisture and acid removal in commercial and residential HVACR systems. As a genuine Factory Authorized Part (FAP), this unit ensures an exact drop in replacement, maintaining the original engineering specifications of Carrier, Bryant, and Payne equipment. This drier features a 7 8" sweat connection (ODF) and is specifically engineered to protect the