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Designed for easy field or factory assembly

Lennox 49W23 Drier 321702-401 What causes this element assemblyThe Lennox 49W23 is a high capacity bi flow liquid line filter drier designed specifically for R 410A heat pump systems. This 16 cubic inch unit serves as a critical HVAC contaminant removal component, utilizing a highly effective blend of activated alumina and molecular sieve desiccant to capture moisture and neutralize acid. When dealing with high pressure refrigerants, the 49W23 provides the necessary structural integrity with its solid steel shell