Radon Fans

Fan Duct

Diameter (inches)

Recommended Max. Pressure "WC

4

15 - 21

0.8

0.7

4

41 - 72

2.1

1.7

6

50 - 75

1.6

1.5

6

91 - 129

2.3

2.2

8

95 - 152

2.3

2.0

4

45 - 60

1.4

1.3

4

45 - 66

1.8

1.7

6

65 - 105

1.7

1.6

3

4

40 - 60

2.0

1.8

3

4

55 - 90

2.6

2.4

3

4

50 - 75

3.4

3.3

3

4

91 - 129

4.2

3.8

3

4

15 - 21

0.8

0.7

4

41 - 72

2.1

1.7

Fan Duct

Diameter (inches)

Watts

Max.

Pressure "WC

Recommended Max. Pressure "WC

3 in

2 out

150 - 270

18

14

3 in

2 out

105 - 195

27

21

3 in

2 out

180 - 230

50

50