Emerson Alco 048221 Filter Drier

The 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 optimized for high moisture and acid removal. This formulation is critical for system longevity when using hygroscopic POE oils and HFC refrigerants like R-410A. With a 20-micron outlet pad and a 680 PSI max pressure rating, it ensures maximum filtration of solids and contaminants without significant pressure drops. The corrosion-resistant epoxy powder paint and shock-resistant steel shell provide the durability required for field service and long-term HVACR system protection.

• High-capacity moisture absorption: Utilizing a 41 cubic inch bead core to prevent ice formation at expansion valves.
• 20-micron filtration: High-density outlet pad effectively traps copper shavings, slag, and internal system debris.
• Universal refrigerant compatibility: Approved for use with R-22, R-134a, R-404A, R-407C, and R-410A systems.
• Durable construction: Rugged steel shell and solid copper connections facilitate easy brazing and leak prevention.

Is the EK-414S compatible with POE and mineral oils?
Yes, the desiccant blend in the Emerson 048221 is specifically formulated to handle the high moisture-retention characteristics of POE oils while remaining fully compatible with traditional mineral and alkylbenzene lubricants.

Can this drier be used on the suction line?
This is a dedicated liquid line filter drier. For burnout cleanup or suction side protection, a specific suction line drier with lower pressure drop characteristics should be utilized instead.

What is the flow direction for the EK-414S?
This is a bi-directional compatible shell design in some EK series, but always verify the flow arrow on the label to ensure proper refrigerant flow and optimal filtration through the bead core.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.