Table PD-4 – Model P Unit Heater Hot Water Capacities – 60°F Ent. Air Temp.
(Conversion Factors in Table SP-11 Apply Only to 200 F Entering Water Temperature Columns)
Water
180 F
Unit
Temp.
Size
Drop °F MBH GPM
10
131.6 27 .11
97 .9
15
123.3 16.94
95.5
202-P
20
115.1 11.86 93.1
CFM 3200
25
106.8
8.80
90.8
RPM 1100
30
98.5
6.77
88.4
HP 1/4
40
82.0
4.23
83.6
50
65.5
2.70
78.9
60
—
—
10
166.9 34.40
97 .0
15
158.1 21.73
95.0
252-P
20
149.4 15.40 93.1 1.51
CFM 4162
25
140.7 11.60
91.2
RPM 1100
30
131.9
9.06
89.2
HP 1/4
40
114.5
5.90
85.3
50
97 .0
4.00
81.5
60
79.5
2.73
77 .6
15
180.4 24.78
97 .5
20
170.3 17.55 95.4 1.93
280-P
25
160.2 13.21
93.3
CFM 4430
30
150.2 10.32
91.2
RPM 1100
40
130.1
6.70
87 .1
HP 1/2
50
109.9
4.53
82.9
60
89.8
3.08
78.7
15
213.4 29.32
97 .7
20
201.3 20.75 95.6 2.63
336-P
25
189.3 15.61
93.5
CFM 5210
30
177 .3 12.18
91.4
RPM 1140
40
153.3
7 .90
87 .1
HP 3/4
50
129.3
5.33
82.9
60
105.2
3.61
78.6
15
246.7 33.89
97 .0
20
232.8 23.99 94.9 2.52
384-P
25
218.9 18.05
92.9
CFM 6140
30
205.1 14.09
90.8
RPM 1140
40
177 .4
9.14
86.6
HP 3/4
50
149.6
6.17
82.5
60
121.9
4.19
78.3
20
305.7 31.50 95.1 4.19
500-P
25
288.4 23.78
93.1
CFM 8020
30
271.1 18.63
91.2
RPM 1160
40
236.6 12.19
87 .2
HP 1-1/2
50
202.1
8.33
83.2
60
167 .6
5.76
79.3
15
378.1 51.96
96.9
20
358.1 36.90 94.9 3.41
600-P
25
338.0 27 .86
93.0
CFM 9450
30
317 .9 21.84
91.0
RPM 1160
40
277 .8 14.31
87 .1
HP 1-1/2
50
237 .6
9.79
83.2
60
197 .4
6.78
79.3
15
455.6 62.60
98.2
20
431.3 44.45 96.1 3.82
720-P
25
407 .1 33.56
94.1
CFM 11,000 30
382.8 26.30
92.1
RPM 1165
40
334.2 17 .22
88.0
HP 3
50
285.7 11.78
83.9
60
237 .1
8.15
79.9
See Table SP-12 for abbreviations.
UH-PRC001-EN
Performance
Data
200 F
PD
PD
FT S.W.T. H.W.T.
MBH GPM
3.69
4.90
156.2 32.20 105.0
1.53
2.03
148.0 20.33 102.6
.78
1.04 139.7 14.40 100.2
.45
.60
131.5 10.84
97 .9
.28
.37
123.2
8.47
95.5
.11
.15
106.7
5.50
90.7
.05
.07
90.2
3.72
86.0
—
—
—
73.7
2.53
81.2
6.75
8.98
—
—
2.86
3.82
188.9 25.95 101.8
2.01 180.1 18.56 99.9
.89
1.19
171.4 14.13
98.0
.57
.75
162.7 11.18
96.0
.26
.34
145.2
7 .48
92.2
.12
.17
127 .7
5.26
88.3
.06
.08
110.2
3.79
84.4
3.66
4.88
215.4 29.60 104.8
2.57 205.4 21.17 102.7
1.14
1.52
195.3 16.10 100.6
.72
.96
185.3 12.73
98.5
.32
.43
165.1
8.51
94.4
.16
.21
145.0
5.98
90.2
.08
.10
124.9
4.29
86.0
5.02
6.68 254.9 35.03 105.1
3.51 242.9 25.03 103.0
1.55
2.07 230.9 19.04 100.8
.98
1.31
218.9 15.04
98.7
.44
.59
194.9 10.04
94.5
.21
.28
170.8
7 .04
90.2
.10
.14
146.8
5.04
86.0
4.81
6.46 294.7 40.49 104.2
3.39 280.3 28.94 102.2
1.48
2.00
267 .0 22.01 100.1
.94
1.26
253.1 17 .39
98.0
.42
.57
225.4 11.61
93.8
.20
.27
197 .7
8.15
89.7
.10
.13
170.0
5.84
85.5
5.71 368.1 37.93 102.3
2.49
3.39 350.8 28.92 100.3
1.59
2.16
333.6 22.92
98.3
.73
.99
299.1 15.41
94.4
.36
.49
264.6 10.90
90.4
.18
.25
230.0
7 .90
86.4
6.43
8.40
451.2 62.00 104.0
4.45 431.1 44.43 102.0
2.02
2.65
411.1 33.89 100.1
1.29
1.69
391.0 26.86
98.1
.59
.78
350.8 18.08
94.2
.29
.39
310.7 12.81
90.3
.15
.20
270.5
9.29
86.4
7 .21
9.88
—
—
5.22 519.4 53.52 103.5
2.27
3.10
495.1 40.82 101.5
1.45
1.97
470.9 32.35
99.5
.66
.90
422.3 21.76
95.4
.33
.45
373.7 15.41
91.3
.17
.23
325.2 11.17
87 .2
Entering Water Temperature
220 F
PD
PD
FT S.W.T. H.W.T
MBH GPM
5.02
6.66
—
—
2.12
2.81
172.7 23.72 109.7
1.11 1.47 164.4 16.94 107.4 1.48 1.97 189.1 19.49 114.5 1.90 2.52
.65
.87
156.2 12.87 105.0
.41
.55
147 .9 10.16 102.6
.18
.25
131.4
6.77
97 .8
.09
.12
114.9
4.74
93.1
.04
.06
98.4
3.38
88.3
—
—
—
—
—
3.92
5.22
219.6 30.17 108.6
2.10 2.80 210.9 21.73 106.7 2.77 3.69
1.26
1.68
202.1 16.66 104.8
.82
1.09
193.4 13.29 102.8
.39
.52
175.9
9.06
99.0
.20
.27
158.4
6.53
95.1
.11
.15
141.0
4.84
91.2
5.02
6.67 250.5 34.42 112.1
2.68 3.57 240.5 24.78 110.0 3.54 4.72 275.6 28.40 117 .3 4.51 6.00
1.61
2.15
230.4 19.00 107 .9
1.04
1.39
220.4 15.14 105.8
.49
.66 200.2 10.32 101.7
.26
.34
180.1
7 .42
97 .5
.14
.19
160.0
5.50
93.3
6.88
9.14
—
—
3.67 4.89 284.5 29.32 110.3 4.86 6.46 326.0 33.60 117 .7 6.18 8.22
2.21
2.94 272.5 22.46 108.2
1.42
1.90
260.5 17 .89 106.1
.67
.90
236.4 12.18 101.8
.35
.47
212.4
8.76
97 .6
.19
.25
188.4
6.47
93.3
6.60
8.86
—
—
3.52 4.73 328.9 33.89 109.4 4.66 6.26 376.9 38.84 116.6 5.94 7.97
2.11
2.84
315.0 25.97 107 .3
1.36
1.83
301.2 20.69 105.2
.64
.87
273.4 14.09 101.0
.33
.45
245.7 10.13
96.9
.18
.24
218.0
7 .49
92.7
5.81 7 .91
—
—
3.52
4.79
413.3 34.07 107 .5
2.29
3.11
396.0 27 .21 105.5
1.10
1.49
361.5 18.63 101.5
.58
.79
327 .0 13.48
97 .6
.32
.44
292.5 10.05
93.6
8.78 11.46
—
—
4.72 6.17 504.2 51.96 109.2 6.22 8.12
2.86
3.73 484.1 39.91 107 .2
1.86
2.43 464.0 31.88 105.3
.89
1.17
423.9 21.84 101.3
.47
.62
383.7 15.82
97 .4
.26
.34
343.6 11.80
93.5
—
—
—
—
—
5.29 7 .25 607.5 62.60 110.9 6.97 9.56
3.20
4.38 583.2 48.08 108.9
2.08
2.84 558.9 38.40 106.8
1.00
1.36
510.4 26.30 102.8
.53
.72
461.8 19.04
98.7
.29
.40
413.3 14.20
94.6
240 F
PD
PD
FT S.W.T . H.W.T
MBH GPM
—
—
—
—
—
2.79
3.70
197 .3 27 .11 116.8
.89
1.18
180.8 14.91 112.1
.57
.76
172.6 11.86 109.7
.27
.36
156.1
8.04 105.0
.14
.18
139.6
5.75 100.2
.07
.10
123.1
4.23
95.4
—
—
—
—
—
5.12
6.80
250.3 34.40 115.4
241.6 24.90 113.5 3.52 4.69
1.69
2.25
232.9 19.20 111.6
1.11
1.48
224.1 15.40 109.6
.55
.73
206.6 10.65 105.8
.30
.40
189.2
7 .80 101.9
.17
.23
171.7
5.90
98.0
6.55
8.71
—
—
2.16
2.88
265.5 21.89 115.2
1.42
1.89
255.4 17 .55 113.1
.70
.93
235.3 12.12 109.0
.38
.50
215.2
8.87 104.8
.22
.29
195.1
6.70 100.6
—
—
—
—
—
2.95
3.93
314.0 25.89 115.6
1.93
2.58
302.0 20.75 113.4
.95
1.26
278.0 14.32 109.2
.51
.69
254.0 10.47 104.9
.29
.39
229.9
7 .90 100.7
—
—
—
—
—
2.83
3.80
363.1 29.93 114.5
1.85
2.49
349.2 23.99 112.4
.91
1.22
321.5 16.56 108.3
.49
.66
293.8 12.11 104.1
.28
.38
266.0
9.14
99.9
—
—
—
—
—
4.69
6.38
475.7 39.22 114.7
3.09
4.20
458.5 31.50 112.7
1.53
2.09
424.0 21.84 108.7
.84
1.15
389.4 16.05 104.8
.49
.67
354.9 12.19 100.8
—
—
—
—
—
—
—
3.81
4.97
557 .2 45.93 114.3
2.51
3.28
537 .1 36.90 112.4
1.25
1.63
496.9 25.61 108.5
.69
.90
456.8 18.83 104.6
.40
.53
416.6 14.31 100.6
—
—
—
—
—
—
—
4.27
5.85
671.3 55.34 116.2
2.81
3.85
647 .0 44.45 114.2
1.40
1.91
598.4 30.83 110.1
.77
1.05
549.9 22.67 106.1
.45
.61
501.3 17 .22 102.0
PD
PD
FT S.W.T . H.W.T .
—
—
—
3.54
4.70
1.15
1.53
.75
1.00
.36
.48
.19
.26
.11
.15
—
—
—
6.45
8.57
2.17
2.89
1.44
1.92
.73
.97
.41
.54
.24
.32
—
—
—
2.77
3.69
1.84
2.45
.92
1.23
.52
.69
.31
.41
—
—
—
3.80
5.05
2.51
3.35
1.26
1.68
.71
.94
.42
.56
—
—
—
3.65
4.89
2.41
3.24
1.21
1.62
.67
.91
.40
.54
—
—
—
6.00
8.17
3.99
5.43
2.03
2.76
1.15
1.56
.69
.94
—
—
—
—
—
—
4.88
6.36
3.24
4.24
1.65
2.15
.93
1.22
.56
.74
—
—
—
—
—
—
5.46
7 .49
3.63
4.98
1.85
2.52
1.05
1.43
.63
.86
35