Roberts Gorden CGTH-50 Manuale Utente

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1

 

In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code

2

 

In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code

+

 

A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single 
family dwellings and serves both dwellings.

**  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 section 4.7.3, 6.5.5, 8.5.5; or;
b) A reference to the following footnote:

"Clearance in accordance with local installation codes and the requirements of the gas supplier."

Clearance to each 
side of center line 
extended above 
meter/regulator 
assembly

3' (91 cm) within a height 15' (4.5 m) above 

the meter/regulator assembly

*

Clearance to
 service regulator 
vent outlet

3' (91 cm)

*

Clearance to non-
mechanical air 
supply inletto 
building or the 
combustion air inlet 
to any other 
appliance

12" (30 cm)

9" (23 cm)

Clearance to 
mechanical air sup-
ply inlet

6' (1.83 m)

3' (91 cm) above if within 10' (3 m) 

horizontally

Clearance above 
paved sidewalks or 
paved driveway 
located on private 
property

7' (2.13 m)

+

7’ (2.13 m)

+

Clearance under 
veranda, porch, 
deck, or balcony

12' (30 cm)**

12" (30 cm)**