Initial Installation

QUALIFIED INSTALLERS ONLY

VENT TERMINATION RESTRICTIONS:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

 

O

D

E

 

 

 

 

 

H

 

 

B

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

L

B

Fixed

 

 

B

 

 

 

G

F

Closed

Openable

Fixed

 

 

G

 

 

Openable

Closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M

 

 

B

 

A

 

J

 

 

K

 

 

 

 

 

 

 

 

 

 

 

 

I

A

 

Termination Cap

 

Air Supply Inlet

 

 

 

 

G

Gas Meter

Restriction Zone

 

 

 

 

 

 

 

 

 

(Termination not allowed)

 

Figure 24. Vent Termination Restrictions, refer to Table 4.

Table 4: Vent termination clearances, refer to Figure 24.

Letter

Canadian Installation 1

US Installation2

Description

A

12 in (30 cm)

Clearance above grade, verandah, porch, deck, or balcony.

 

 

 

 

B

12 in (30 cm)

9 in (23 cm)

Clearance from window or door that may be opened.

 

 

 

 

C

12 in (30 cm)*

Clearance from permanently closed window (to prevent

 

 

 

condensation).

 

 

 

D

24 in (60 cm)*

Vertical clearance to ventilated soffit located above the

 

 

 

terminal, within a horizontal distance of 2 ft (60 cm) from

 

 

 

center line of terminal.

 

 

 

E

18 in (45 cm)*

Clearance to unventilated soffit.

 

 

 

F

12 in (30 cm)*

Clearance to outside corner.

 

 

 

G

12 in (30 cm)*

Clearance to inside corner.

 

 

 

 

H

3 ft (91 cm) within a height of

3 ft (91 cm) within a height of

Clearance to each side of center line extended above

 

15 ft (4.5 m) above the meter/

15 ft (4.5 m) above the meter/

meter/regulator assembly.

 

regulator assembly

regulator assembly*

 

 

 

 

 

I

3 ft (91 cm)

3 ft (91 cm)*

Radial clearance around service regulator vent outlet.

 

 

 

 

J

12 in (30 cm)

9 in (23 cm)

Clearance to non-mechanical air supply inlet to building, or

 

 

 

the combustion air inlet to any other appliance.

 

 

 

 

K

6 ft (1.83 m)

3 ft (91 cm) above if within 10

Clearance to mechanical air supply inlet.

 

 

ft (3 m) horizontally

 

 

 

 

 

L

7 ft (2.13 m)t

7 ft (2.13 m)*t

Clearance above paved sidewalk or paved driveway located

 

 

 

on public property.

 

 

 

 

M

12 in / 30 cm+

12 in / 30 cm*+

Clearance under verandah, porch, deck, or balcony.

N

12 in (30 cm)*

Clearance horizontally to any surface (such as an exterior

 

 

 

wall) for vertical terminations.

 

 

 

O

12 in (30 cm)

Clearance above roof line for vertical terminations.

 

 

 

 

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

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

* These numbers are only estimates. Clearance in accordance with installation codes and the requirements of the gas supplier.

t A vent shall not terminate directly above a side walk or paved driveway that is located between two single family dwellings and it serves both dwellings. + Permitted only if verandah, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.

NOTE: Venting terminals shall not be recessed into walls or siding.

17

Page 16 Page 18
Page 17
Image 17
Enviro C-11275 owner manual Vent Termination Restrictions
Page 16 Page 18

C-11275 specifications

Enviro C-11275 is an innovative solution designed specifically for enhancing environmental management and sustainability efforts across various sectors. As industries begin to recognize the importance of minimizing ecological footprints, the demand for advanced technologies and products like Enviro C-11275 has surged. This product is engineered to address pressing environmental challenges, offering a blend of efficiency, reliability, and versatility.

One of the main features of Enviro C-11275 is its eco-friendly formulation, which significantly reduces harmful emissions compared to traditional alternatives. This characteristic aligns with global sustainability goals and regulatory requirements, making it an ideal choice for companies striving to meet their corporate social responsibilities. Moreover, the product is designed to be biodegradable, ensuring that it does not linger in the environment, thereby contributing to soil and water health.

Enviro C-11275 incorporates advanced nanotechnology that enhances its performance. The application of nanoscale additives allows for improved reactivity and a higher efficacy in contaminant removal. This technology ensures that even in small doses, Enviro C-11275 can achieve substantial results in remediation projects, making it cost-effective and efficient.

Furthermore, Enviro C-11275 features a user-friendly application system. Whether applied via spraying, injection, or mixing, the flexibility of its use allows for a wide range of practical applications, from agricultural to industrial cleaning. This adaptability makes it suitable for diverse fields, including manufacturing, waste management, and even residential maintenance.

One of the standout characteristics of Enviro C-11275 is its safety profile. Composed of non-toxic ingredients, it poses minimal risk to human health and the environment, setting it apart from other chemical solutions that often carry hazardous warnings. This safety aspect is paramount, particularly in industries where workers are regularly exposed to potentially harmful substances.

In addition, Enviro C-11275 is backed by extensive research and development. The formulation is the result of rigorous testing and validation, ensuring that it not only performs well but also meets stringent environmental standards. This commitment to excellence provides users with confidence in its efficacy and reliability.

Overall, Enviro C-11275 emerges as a leading contender for businesses focused on environmental stewardship. With its eco-friendly formulation, advanced nanoscale technology, versatile application methods, and strong safety profile, it stands as a testament to the ongoing evolution of sustainable products aimed at protecting our planet for future generations.
Top Page Image Contents