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IAPMO IGC 303-2014a
- Catalytic Scale-Prevention Devices
- standard by International Association of Plumbing and Mechanical Officials, 12/01/2014
- Publisher: IAPMO
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This Standard covers catalytic scale-prevention devices, in sizes NPS-⅜ to NPS-4, intended for residential and commercial application and specifies requirements for materials, physical characteristics, performance testing and markings.