§431.246. Energy conservation standards and their effective dates.
10 C.F.R. § 431.246
A unit heater manufactured on or after August 8, 2008, shall:
Be equipped with an intermittent ignition device; and
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.
Notes, amendments, and revision history
Amendments
[70 FR 60418, Oct. 18, 2005, as amended at 71 FR 71374, Dec. 8, 2006]
Source
Source: 70 FR 60418, Oct. 18, 2005, unless otherwise noted.
Authority
Authority: 42 U.S.C. 6291-6317; 28 U.S.C. 2461 note.
Source
Source: 64 FR 54141, Oct. 5, 1999, unless otherwise noted.
Amendments
[70 FR 60418, Oct. 18, 2005, as amended at 71 FR 71374, Dec. 8, 2006]