TABLE 4

Vent Connector Capacity

Type B Double-Wall Vents with Type B Double-Wall Connectors

Serving Two or More Category I Appliances

Vent

Connector

 

 

 

Vent and Connector Diameter - D (inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Height

Rise

 

3 Inch

 

4 Inch

 

5 Inch

 

6 Inch

 

 

 

 

 

 

 

 

 

 

 

 

H

R

 

 

 

Appliance Input Rating in Thousands of Btu Per Hour

 

 

 

(feet)

(feet)

 

 

 

 

 

 

 

 

 

 

 

 

MIN

 

MAX

MIN

 

MAX

MIN

 

MAX

MIN

 

MAX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

22

 

37

35

 

66

46

 

106

58

 

164

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

2

23

 

41

37

 

75

48

 

121

60

 

183

 

3

24

 

44

38

 

81

49

 

132

62

 

199

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

22

 

40

35

 

72

49

 

114

64

 

176

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

2

23

 

44

36

 

80

51

 

128

66

 

195

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

24

 

47

37

 

87

53

 

139

67

 

210

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

22

 

43

34

 

78

49

 

123

65

 

189

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

2

23

 

47

36

 

86

51

 

136

67

 

206

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

24

 

50

37

 

92

52

 

146

69

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

21

 

50

33

 

89

47

 

142

64

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

2

22

 

53

35

 

96

49

 

153

66

 

235

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

24

 

55

36

 

102

51

 

163

68

 

248

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

21

 

54

33

 

99

46

 

157

62

 

246

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

2

22

 

57

34

 

105

48

 

167

64

 

259

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

23

 

60

35

 

110

50

 

176

66

 

271

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

20

 

62

31

 

113

45

 

181

60

 

288

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

2

21

 

64

33

 

118

47

 

190

62

 

299

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

22

 

66

34

 

123

48

 

198

64

 

309

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TABLE 5

Common Vent Capacity

Type B Double-Wall Vents with Type B Double-Wall Connectors

Serving Two or More Category I Appliances

Vent

 

 

 

Common Vent Diameter - D (inches)

 

 

 

 

 

 

 

 

 

 

 

Height

4 Inch

5 Inch

6 Inch

7 Inch

 

 

 

 

 

 

 

 

 

H

 

 

Appliance Input Rating in Thousands of Btu Per Hour

 

 

(feet)

 

 

 

 

 

 

 

 

 

FAN + FAN

FAN + NAT

FAN + FAN

 

FAN + NAT

FAN + FAN

FAN + NAT

FAN + FAN

FAN + NAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

6

92

81

140

 

116

204

161

309

248

 

 

 

 

 

 

 

 

 

 

8

101

90

155

 

129

224

178

339

275

 

 

 

 

 

 

 

 

 

 

10

110

97

169

 

141

243

194

367

299

 

 

 

 

 

 

 

 

 

 

15

125

112

195

 

164

283

228

427

352

 

 

 

 

 

 

 

 

 

 

20

136

123

215

 

183

314

255

475

394

 

 

 

 

 

 

 

 

 

 

30

152

138

244

 

210

361

297

547

459

 

 

 

 

 

 

 

 

 

 

Page 19

Page 19
Image 19
Lennox International Inc EL180UHE installation instructions Fan + Fan Fan + Nat

EL180UHE specifications

Lennox International Inc. has long been a leader in providing innovative heating and cooling solutions, and the EL180UHE represents a notable advancement in their line of high-efficiency gas furnaces. Designed to meet the demands of residential heating, this unit combines advanced technology with user-friendly operation and significant energy savings.

One of the standout features of the EL180UHE is its efficiency rating, with an Annual Fuel Utilization Efficiency (AFUE) of up to 80%. This high efficiency not only helps homeowners save on energy bills but also reduces their carbon footprint. The furnace is equipped with a reliable, multi-speed blower motor, which enhances comfort levels by maintaining consistent air circulation throughout the home.

The EL180UHE employs advanced combustion technologies, such as Lennox's low-NOx burner, which minimizes nitrogen oxide emissions, contributing to a cleaner environment. The unit is also designed with a sealed combustion system that draws air directly from the outdoors rather than from inside the home, leading to improved indoor air quality and increased safety.

Another significant characteristic of the EL180UHE is its whisper-quiet operation. This is achieved through well-engineered insulation and a design that minimizes noise levels, allowing for a comfortable living environment without disruptive sounds. Many homeowners appreciate the quiet performance, especially during the night or in spaces where noise is a concern.

The installation process is straightforward, supported by Lennox's user-friendly design. The EL180UHE is compatible with various home configurations and can easily integrate with existing HVAC systems. Additionally, it has a compact footprint, making it suitable for homes with space constraints.

Further enhancing its appeal, this gas furnace features robust warranty options, reflecting Lennox's commitment to quality and customer satisfaction. Homeowners can rest assured that they are investing in a durable product that has been built to last.

In conclusion, Lennox International Inc.'s EL180UHE gas furnace exemplifies the company's dedication to innovation, efficiency, and reliability in home heating solutions. With its high AFUE rating, advanced combustion technology, quiet operation, and user-friendly design, the EL180UHE is an excellent choice for homeowners looking to enhance their comfort while minimizing energy costs.