Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 10 - Energy |
Chapter II - Department of Energy |
SubChapter D - Energy Conservation |
Part 431 - Energy Efficiency Program for Certain Commercial and Industrial Equipment |
Subpart N - Unit Heaters |
Energy Conservation Standards |
§ 431.246 - Energy conservation standards and their effective dates.
Latest version.
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§ 431.246 Energy conservation standards and their effective dates.
A unit heater manufactured on or after August 8, 2008, shall:
(a) Be equipped with an intermittent ignition device; and
(b) Have power venting or an automatic flue damper. An automatic vent damper is an acceptable alternative to an automatic flue damper for those unit heaters where combustion air is drawn from the conditioned space.
[70 FR 60418, Oct. 18, 2005, as amended at 71 FR 71374, Dec. 8, 2006]