Key Benefits Precision OEM Fit: Designed as a direct drop-in replacement for Carrier 326600-751

the E9-16 is technically identical to and interchangeable with HK-E9-16 and HKN-E9-16 part numbers

contains activated alumina for acid removal

For liquid lines

specifically optimized for R-410A systems commonly found in modern York and Johnson Controls equipment

Lochinvar & A.O. Smith 100163257 Bypass Assembly 322056-301 Key Benefits Precision OEM Fit:The Lochinvar & A. O. Smith 100163257 Bypass Assembly is a critical OEM component engineered for precise flow management in high efficiency pool and spa heating systems. Built to withstand the rigorous demands of commercial and residential hydronic applications, this 1 2" NPT bypass kit ensures optimal heat exchanger performance by regulating water velocity and preventing thermal shock. This assembly is a direct replacement part designed specifically