What is the maximum inlet pressure for the G96HAA-4

Standard practice dictates using OEM Modine parts like the 5H0735910004

before they can enter the expansion valve or capillary tube

which must exceed the heating input of your water heater for code compliance

Lochinvar & A.O. Smith 100163254 Kit 328140-751 What is the maximum inletThe Lochinvar 100163254 Air Inlet Kit is a critical OEM component designed for the proper induction and ventilation of Knight Heating Boilers and Armor Commercial Water Heaters. Specifically engineered for the KBN399 and AWN399 series, this kit ensures the combustion system receives a steady, laminar flow of intake air to maintain optimal fuel to air ratios. As a direct replacement for the legacy kit 399, it facilitates the safe transition of air