managing the pressure differentials required for R-410A and R-22 refrigerants while maintaining high volumetric efficiency

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Lochinvar & A.O. Smith 100157611 Kit 321894-709 managing the pressure differentials requiredThe Lochinvar 100157611 (cross referenced as A. O. Smith 100157611) is a heavy duty 4" side wall vent kit engineered for high efficiency condensing water heaters and boilers. This horizontal termination kit is built to manage flue gases effectively while preventing recirculating exhaust into the air intake, ensuring optimal combustion stability. Designed for compatibility with specific Lochinvar Knight and A. O. Smith Cyclone series models, the