Code of Federal Regulations, title 40, part 60, subpart QQQQ, as amended through July 1, 2018, entitled "Standards of Performance for New Residential Hydronic Heaters and Forced-Air Furnaces," is incorporated by reference.
Minn. R. agency 167, ch. 7011, HYDRONIC HEATERS AND FORCED-AIR FURNACES, pt. 7011.2960