10
Waterford
A= Clearance above grade, veranda, porch, deck, or balcony *(min. 12"/30cm) B= Clearance to window or door that may be opened *(12"/30cm) #(9"/23cm) C= Clearance to permanently closed window *(min. 12"/30cm)
D= Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of (24"/60cm) from the centerline of the terminal (min. 18"/46cm) check with local code.
E= Clearance to unventilated soffit (min. 12"/30cm)
F= Clearance to outside corner: with AstroCap Termination Cap (min. 6"/15cm), with Dura- Vent Termination Cap (min.12"/30cm)
G= Clearance to inside corner: with AstroCap Termination Cap (min. 6"/15cm), with Dura- Vent Termination Cap (min.12"/30cm)
H= Not to be installed above a meter/regulator assembly within (3'/90cm) horizontally from the centerline of the regulator.
J= Clearance to service regulator vent outlet *(min. 36"/90cm)
K= Clearance to
L= Clearance to a mechanical air supply inlet *(min. 72"/1.8m) #3' (91cm) above if within 10' (3m) horizontally.
M= **Clearance above paved sidewalk or a paved driveway located on public property *(min. 84"/2.1m)
N= Clearance under veranda, porch, deck, or balcony *(min. 12"/30cm)***
Note: * As specified in CGA B149 Installation Code. Note: Local codes or regulations may require different clearances.
**A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.
***Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
*#In accordance with the current ANZI Z223.1/NFPA 54, National Fuel Gas Code.
