Emerson Alco 048221 Filter Drier 30067439-890 The manual reset feature is

The manual reset feature is a safety lockout designed to protect the system from operating under hazardous conditions

the APR5 is designed to replace both 3-terminal and 5-terminal configurations

eliminating the need for external inline fuses

and Tempstar HVAC units

radiant heaters

Emerson Alco 048221 Filter Drier 30067439-890 The manual reset feature isThe Emerson Alco 048221, technically designated as the EK 414S filter drier, is a high capacity liquid line filter drier engineered for demanding refrigeration and air conditioning applications. Featuring a 1 2" sweat ODF connection and a 41 cubic inch internal volume, this unit is the direct replacement for Alco 414S. It utilizes a premium compacted bead desiccant blend consisting of 75% molecular sieve and 25% activated alumina, specifically