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825

The 4" Febco 825 Series Reduced Pressure Zone Assemblies was produced from 1975 to 1988. It was replaced by the 825D. The original 825 models were constructed of cast iron and brush epoxy coated. Early models featured aluminum check assemblies but due to severe corrosion issues, they were converted to epoxy coated iron checks. Check seats were replaceable but are not longer available. A special seat removal tool was required to change seats. The relief valve is a side mount, bronze body with external sensing line. The relief valve body was changed in the newer models and parts do not interchange. A newer relief valve can be retrofitted to the older style device with the conversion kit. New stainless check assemblies will fit in the original 825 device.