CFR > Title 24 - Housing and Urban Development > SUBTITLE B—Regulations Relating to Housing and Urban Development > CHAPTER XX—OFFICE OF ASSISTANT SECRETARY FOR HOUSING—FEDERAL HOUSING COMMISSIONER, DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT (parts 3280 to 3800) > PART 3280—MANUFACTURED HOME CONSTRUCTION AND SAFETY STANDARDS > SUBPART H—Heating, Cooling and Fuel Burning Systems (§3280.701 to §3280.715) > 3280.711—Instructions.