HORIZONTAL VENT FIGURES / TABLES (CONTINUED)

H2

Square termination (SV4.5HT-2) shown.

�When using Secure Flex, use Firestop/Spacer SF4.5VF.

�When using Secure Flex, use Firestop/Spacer SF4.5HF.

�Wall Firestop/Spacer

(SV4.5HF)

H1

�Ceiling

Firestop/Spacer

(SV4.5VF)

V

 

 

 

Table K

 

 

 

 

 

 

 

 

 

 

 

H + H1 + H2 Maximum

H Maximum

 

V Minimum

 

feet

(meter)

feet

(meter)

 

feet

(meter)

 

 

 

 

 

 

 

 

 

5

(1.524)

2

(0.610)

 

1

(0.305)

 

 

 

 

 

 

 

 

 

10

(3.048)

4

(1.219)

 

2

(0.610)

 

 

 

 

 

 

 

 

 

15

(4.572)

6

(1.829)

 

3

(0.914)

 

20

(6.096)

8

(2.438)

 

4

(1.219)

 

 

 

 

 

 

 

 

 

V + H + H1

+ H2 = 40 feet (12.2 m) Max

 

 

 

H = 8 feet (2.438 meters) Max.

 

 

 

 

H + H1+ H2 = 20 feet (6.096 meters) Max.

 

 

 

Example: If 20 feet total (H+H1+H2) horizontal vent

 

 

run is needed, then 4 feet minimum of (V) vertical

 

 

vent will be required.

 

 

 

 

This table shows a 1(V) to 5(H) ratio. For every

 

 

1 foot of (V) vertical, you are allowed 5 feet of

 

 

horizontal run up to a maximum total (H+H1+H2)

 

 

horizontal run of 20 feet.

 

 

 

 

See Table 12 on Page 19 as an aid in venting

H

component selection for a particular range of

 

 

exterior wall thicknesses.

 

 

Figure 41 - Rear Vent - THREE 90 DEGREE ELBOWS

 

 

 

 

Square termination

 

 

Table L

 

 

H + H1 Maximum

V Minimum

(SV4.5HT-2) shown.

�When using Secure Flex,

 

use Firestop/Spacer

feet

(meter)

feet

(meter)

 

SF4.5VF.

 

5

(1.524)

Elbow Only

H1

�When using Secure

Flex, use Firestop/Spacer

5

(1.524)

1

(0.305)

 

SF4.5HF.

 

 

 

 

 

 

�Ceiling

10

(3.048)

2

(0.610)

 

15

(4.572)

3

(0.914)

 

Firestop/Spacer

 

(SV4.5VF)

20

(6.096)

4

(1.219)

 

 

 

 

H + H1 = 20 feet (6.096 m) Max.

�Wall Firestop/Spacer

H

V + V1+ H + H1 = 40 ft. (12.192 m) Max.

(SV4.5HF)

V1

Example: If 20 feet total (H+H1) horizontal vent

 

 

V

run is needed, then 4 feet minimum of (V) vertical

See Table 12 on Page 19 as

vent will be required.

 

 

 

This table shows a 1(V) to 5(H) ratio. For every 1

an aid in venting component

 

 

foot of (V) vertical, you are allowed 5 feet of (H+

selection for a particular

 

 

H1) horizontal run, up to a maximum horizontal

range of exterior wall thick-

 

nesses.

 

run of 20 feet.

 

 

 

An elbow is acceptable as 1 foot of vertical rise except

 

 

 

 

where an elbow is the only vertical component in

 

�Wall Firestop/Spacer

the system. See Figure 37.

 

 

(SV4.5HF)

 

 

 

 

Figure 42 - Top Vent - THREE 90 DEGREE ELBOWS

 

 

 

 

 

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.

 

 

 

21

Page 20 Page 22
Page 21
Image 21
Lennox Hearth LMDV-4035-CPM, LMDVT-3328-CPM, LMDVT-3328-CNM Minimum, Elbow Only, 524 305, 048 610 572 914, 096 219
Page 20 Page 22

LMDV-3530-CNM, LMDV-35 Series, LMDVR-3328-CNE, LMDV-4035-CNE, LMDV-4035-CPM specifications

Lennox Hearth products are renowned for their quality, efficiency, and innovative technologies that optimize the home heating experience. Among the standout offerings in their lineup are the LMDV-3530-CPM, LMDVR-3328-CPM, LMDV-3530-CNE, LMDVT-3328-CPM, and LMDVR-3328-CNM models. Each of these products embodies the brand's commitment to performance and design, making them a popular choice for modern homeowners.

The LMDV-3530-CPM gas fireplace boasts a contemporary aesthetic combined with powerful heating capabilities. It features a clean face design that enhances the viewing experience while maximizing warmth in the room. The unit is equipped with advanced technology that includes multi-speed blowers for efficient air circulation, allowing users to enjoy consistent heat throughout the space. Its variable flame and heat control options ensure that homeowners can customize their ambience and comfort levels according to their preferences.

Similarly, the LMDVR-3328-CPM model is designed for versatility and efficiency. Its modern fireplace insert converts existing masonry fireplaces into high-efficiency heating systems. Featuring a sleek design, this insert incorporates innovative venting technologies that enable it to operate in diverse installation configurations, enhancing both aesthetic appeal and functionality. Homeowners can appreciate the adjustable flame and fan speed settings, which provide tailored heating solutions.

The LMDV-3530-CNE model distinguishes itself through eco-friendly features. It employs advanced combustion technology that reduces emissions without sacrificing heat output. This model stands out as an environmentally responsible option, suitable for conscious consumers who wish to reduce their carbon footprint. Its easy-to-use controls and stylish design make it a favored choice among discerning homeowners.

The LMDVT-3328-CPM continues the trend of performance and versatility. This model combines traditional charm with modern efficiency, featuring a large viewing area that allows for an inviting flame display. The unit’s heat exchanger is designed for maximum heat transfer, ensuring that warmth is efficiently distributed throughout the room.

Lastly, the LMDVR-3328-CNM model is perfect for those seeking an efficient upgrade for their traditional fireplace. With its stunning design and advanced features, including optional remote control and programmable settings, this model takes convenience to new heights.

Overall, Lennox Hearth’s suite of models combines elegance, efficiency, and innovation, ensuring that homeowners can find the perfect heating solution to complement their living spaces. Each product is engineered with state-of-the-art technologies that reflect Lennox’s dedication to quality and customer satisfaction.
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