Answer
Oct 22, 2025 - 07:31 AM
Thank you for asking. Our Water Softener 7500-REV4 UpFlow Brining 80K 13x54 features Rev4 upflow control valves that are NSF/ANSI Standard 44 certified. The softening resin meets NSF/ANSI Standards 44 and 61, and is also Gold Seal WQA certified for quality assurance. Our tanks comply with international standards, such as ISO9001, European Pressure Equipment Directive (PED) and NSF/ANSI Standard 44.
