While the kit is designed for a one-year supply

The Sporlan 3518-00 is a high-performance

Universal Compatibility: Standard 3/4" NPT fittings allow for straightforward integration into existing hydronic piping

Which models does this part replace

Does this cap prevent moisture from entering the heater

Lennox 38M73 Filter Drier 322838-754 While the kit is designedThe Lennox 38M73 Filter Drier, manufactured by Parker as model 38M7301, is a high capacity liquid line filter drier engineered for demanding residential and light commercial applications. Designed for 3 to 6 ton HVAC systems, this unit features a 16 cubic inch desiccant volume optimized for maximum moisture absorption and acid neutralization. The 5 8" ODF solder connections provide a secure, leak proof interface for high pressure R 410A refrigerant