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Floor finished surface temperatures shall not exceed the following temperatures for space heating applications:
  1. 85°F (29°C) in general occupied applications.
  2. 90°F (32°C) in bathrooms, foyers, distribution areas such as hallways and indoor swimming pools.
  3. 88°F (31°C) in industrial spaces
  4. 95°F (35°C) in radiant panel perimeter areas, i.e., up to 2.5 feet (762 mm) from outside walls.
The radiant heating system temperature shall not exceed the maximum temperature rating of the materials used in its construction.
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