Bradford-White Corp DS150S Manuel D’Utilisation

 

 

 

 
This is a Direct Vent Gas Water Heater where all air for combustion is 
obtained from the outside atmosphere and all flue gases are discharged to the 
outside atmosphere. 
 

Air Intake Terminal (See Figure 4) 

• 

Shall be installed with at least a 9 in. (22.9 cm) vent termination  

      clearance from any air opening into a building. 

• 

The bottom of the direct vent-air intake terminal shall be located at     

       least 12 in. (30.5 cm) above grade.  

• 

Installed at least 3 ft. (91.4 m) from any gas meter, gas valve or  

      other gas regulating equipment. 

• 

Must be installed in a location where it will not be blocked by snow. 

 
Note:  Provide protection of the building materials from degradation by flue 
gases from the direct vent-air intake terminal. 
 
Exceptions for Installations in Canada 
The direct vent-air intake terminal shall not terminate: 
(a)  directly above a paved sidewalk or paved driveway which is located 
 

between two single-family dwellings and serves both dwellings; 

(b)  less than 7 ft. (2.1 m) above a paved sidewalk or a paved driveway 
 

located on public property; 

(c)  within 6 ft. (1.8 m) of a mechanical air supply inlet to any building; 
(d)  above a gas meter/regulator assembly within 3 ft. (91.4 cm) horizontally 

of the vertical centerline of the regulator; 

(e)  within 6 ft. (1.8 m) of any gas service regulator vent outlet; 
(f)  less than 12 in. (30.5 cm) above grade level; 
(g)  within 12 in. (30.5 cm) of a window or door which can be opened in any 

building, any non-mechanical air supply inlet to any building or the 
combustion air inlet of any other appliance: