Where it is found that a mechanical system in a residential structure constitutes a hazard to the occupants or the structure by reason of improper installation, deterioration or damage, or for similar reasons, the code official shall require the defects to be corrected to eliminate the hazard.
   (A)   All mechanical appliances, fireplaces, solid fuel-burning appliances, cooking appliances and water heating appliances shall be properly installed and maintained in a safe working condition in compliance with their listings, and shall be capable of performing the intended function.
   (B)   All fuel-burning equipment and appliances shall be connected to an approved chimney or vent. Exception: Fuel-burning equipment and appliances that are labeled for unvented operation.
   (C)   Copper tubing, rubber hose, or other unapproved materials shall not be used as gas piping.
   (D)   Gas pressure shall be provided which is adequate to permit a proper flow of gas from all open gas valves at all times.
   (E)   All required clearances to combustible materials shall be maintained.
   (F)   A supply of air for complete combustion of the fuel and for ventilation of the space containing the fuel-burning equipment shall be provided for the fuel-burning equipment.
   (G)   Duct systems shall be properly connected, maintained free of obstructions, and shall be capable of performing the required function.
   (H)   Vent length and slope. Gas vent connectors shall have a minimum upward slope of ¼ inch per foot from the facility to the flue, and be installed in accordance with their listing.
(Ord. 11-015, passed 5-4-11)