10 CFR 431.246
§ 431.246 Energy conservation standards and their effective dates.
United States · 10 CFR — Energy · Status: effective
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- Citation
- 10 CFR 431.246, § 431.246 Energy conservation standards and their effective dates, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/39549
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Full text
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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.