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it is engineered to maintain stable superheat across varying load conditions
High Pressure Rating: Robust brass body construction safe for 650 PSI
Direct OEM Compatibility: Specifically engineered to replace MARK17U-24 and MARK17X-24 modules without extensive bracket modifications
it should only be installed in specific models where the internal electrical and pressure requirements match the unit's original factory specifications
Lochinvar & A.O. Smith 100163257 Bypass Assembly 318973-401 it is engineered to maintainThe 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