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Other Related Standards
UL 1563 – Electric Spas, Equipment Assemblies, and Associated Equipment
UL 873 – Standard for Temperature-Indicating and Regulating Equipment
UL 372 - Automatic Electrical Controls for Household and Similar Use - Part 2: Particular Requirements for Burner Ignition Systems and Components
NSF 50 - Equipment And Chemicals For Swimming Pools, Spas, Hot Tubs, And Other Recreational Water Facilities
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