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the S1-3500-405P/A is the current manufacturer-specified replacement for the legacy S1-3500-4051 and 3500-405P models
we recommend a full board replacement to ensure the integrity of the integrated circuits and overall system safety
Key Benefits Assists in achieving full compliance with ASHRAE Standard 62
provided the total secondary load does not exceed the volt-ampere limit
Kunkle Valve 6010JHM01AKM0150 Valve 326058-756 the S1-3500-405P/A is the currentThe Kunkle Valve 6010JHM01AKM0150 is a high capacity bronze safety relief valve specifically engineered for industrial air and gas service. Featuring a 2 inch MNPT inlet and a 2. 5 inch FNPT side outlet, this unit is factory set at 150 PSI to deliver a certified flow capacity of 4090 CFM. As a veteran grade ASME Section VIII certified component, it utilizes a J orifice (1. 414 sq. in.) and a full nozzle design to ensure rapid pressure venting in
