Bosch Greentherm T9800 SEC 199 Installation And Operating Instructions Manual page 24

24 | Installation instructions
3) A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and
serves both dwellings.
4) Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
[*] For clearances not specified in ANSI Z223.1 / NFPA 54 or CSA-B149.1, one of the following shall be indicated:
a) a minimum clearance value determined by testing in accordance with Clause 5.20, Draft hoods, or;
b) a reference to the following footnote:
"Clearance in accordance with local installation codes and the requirements of the gas supplier."
6 720 816 815 (2018/08) Greentherm T9800 SE 160/199 | SEC 199