802.2.6 Revise this section as follows:
802.2.6 Direct-Vent Appliances. Listed direct-vent appliances shall be installed in accordance with the manufacturer’s installation instructions and Section 802.8.2. [NFPA 54:12.3.5], provided the installation does not violate existing State or Local ordinance and does not create a nuisance as defined within this code and section 216.0 of the San Francisco Plumbing Code.
802.8 Revise the first sentence of this section and add an exception (3) to this section as follows:
802.8 Through-the-Wall Vent Termination. A mechanical draft venting system shall terminate at least four (4) feet (1219 mm) from a property line, except a public way and not less than 3 feet (914 mm) above any forced air inlet located within 10 feet (3048 mm). (See Figure 802.8)
Exceptions:
(1) This provision shall not apply to the combustion-air intake of a direct-vent appliance.
(2) This provision shall not apply to the separation of the integral outdoor-air inlet and flue gas discharge of listed outdoor appliances. [NFPA 54:12.9.1]
(3) Direct-vent appliances shall comply with sections 802.2.6 and 802.8.2