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// CODE SNIPPET

506.8.1 Minimum Screen Mesh Size

California Plumbing Code 2019 > 5 Water Heaters > 506.0 Air for Combustion and Ventilation > 506.8 Louvers, Grilles, and Screens > 506.8.1 Minimum Screen Mesh Size

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Screens shall be not less than ¹/₄ of an inch (6.4 mm) mesh. [NFPA 54:9.3.7.2]

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