A–6  Gas Furnace Output Table

CFM

Temperature Rise (Supply F° – Return F°)

30

40

50

60

70

80

600

19.4

25.9

32.4

38.9

45.4

51.8

700

22.7

30.2

37.8

45.4

52.9

60.5

800

25.9

34.6

43.2

51.8

60.4

69.1

900

29.2

38.9

48.6

58.3

68.0

77.8

1000

32.4

43.2

54.0

64.8

75.6

86.4

1100

35.6

47.5

59.4

71.3

83.2

95.0

1200

38.9

51.8

64.8

77.8

90.7

103.7

1300

42.1

56.2

70.2

84.2

98.3

112.3

1400

45.4

60.5

75.6

90.7

105.8

121.0

1500

48.6

64.8

81.0

97.2

113.4

129.6