iFLOW HVAC INC.
www.iflowhvac.com
7
Water Heating Capacity (BTUH) / Water Pressure Drop (Feet)
iFLH-140000
H.Ex.
Rows
Entering
Water
Temp.
3 GPM
4 GPM
CFM
W.P.D
CFM
W.P.D
400
600
700
800
950
400
600
700
800
950
4
120℉
17,365 21,756 23,654 25,347 27,834
2.9
18,425 23,097 25,653 27,246 29,906
4.3
130℉
20,756 26,235 28,105 30,632 33,478
2.9
21,365 27,743 30,014 32,954 36,183
4.3
140℉
24,142 30,754 33,521 36,065 37,729
2.8
24,845 32,469 35,478 38,549 42,376
4.2
150℉
27,587 35,329 38,013 41,365 44,998
2.8
28,326 37,254 40,024 44,287 48,598
4.2
160℉
30,965 39,865 43,247 46,759 50,869
2.8
31,824 41,987 45,726 49,976 54,843
4.1
170℉
34,329 44,432 48,628 52,125 56,941
2.7
35,327 46,743 51,214 55,643 61,176
4.1
180℉
37,734 49,032 54,573 57,683 62,786
2.7
39,836 51,458 56,429 61,398 67,497
4.0
iFLH-160000
H.Ex.
Rows
Entering
Water
Temp.
3 GPM
4 GPM
CFM
W.P.D
CFM
W.P.D
600
800
900
1000
1250
600
800
900
1000
1250
4
120℉
24,625 27,865 29,865 31,087 34,211
3.7
28,268 30,042 31,986 34,109 38,287
5.7
130℉
28,218 33,572 35,724 37,429 41,357
3.7
33,625 36,256 38,524 41,162 46,456
5.7
140℉
32,865 39,218 41,625 43,843 48,379
3.7
38,245 42,367 45,412 48,235 53,971
5.5
150℉
37,536 45,075 47,536 50,327 55,485
3.6
42,765 48,559 52,369 55,149 61,864
5.5
160℉
42,125 50,732 53,425 56,798 62,632
3.6
47,325 54,632 58,489 62,268 69,832
5.4
170℉
46,852 56,579 59,425 63,266 69,769
3.5
51,869 60,861 64,542 69,345 77,846
5.4
180℉
51,425 62,329 65,325 69,747 76,982
3.5
56,465 67,054 72,369 76,486 85,742
5.3
iFLH-180000
H.Ex.
Rows
Entering
Water
Temp.
3 GPM
4 GPM
CFM
W.P.D
CFM
W.P.D
600
800
1000
1200
1450
600
800
1000
1200
1450
4
120℉
28,963 34,245 35,648 38,946 42,376
5.6
30,125 36,203 38,224 42,376 46,638
6.9
130℉
33,412 39,632 42,820 46,981 50,966
5.5
34,845 41,952 45,996 50,996 56,173
6.8
140℉
37,954 45,126 50,157 54,844 59,632
5.5
39,652 47,623 53,756 59,465 65,789
6.7
150℉
42,503 50,520 57,489 62,529 68,334
5.4
44,321 53,304 61,533 68,255 75,223
6.7
160℉
47,127 55,963 64,732 70,931 77,065
5.3
49,032 59,123 69,325 76,905 84,896
6.6
170℉
51,608 61,412 72,078 78,842 85,648
5.3
53,741 64,745 77,199 85,627 94,441
6.5
180℉
56,129 66,846 79,354 87,055 94,633
5.2
58,429 70,487 84,923 94,336 104,056
6.4
