105

87

74

66

5S

52

48

43

8.'    85

98

82

70

61

54

49

45

41

6      90

93

78

67

58

52

47

43

39

95

88

73

63

55

49

44

41

37

100

84

70

60

53

47

42

39

35

*If  soft  coal  is  to  be  used,  see  note,  page  231
222


No.  122  Ideal  Premier  Junior  Water  Heater


Heater's  total  potential  energy,  385,000  British
thermal  units


1  —  Hours

5

6.
8

9

10

11

12

2—  Hard  coal  per  hr.,  Ibs..
8.6

7.16

6.14

.S-38

4  78

4.3

3.91

3.58

3  —  Power  per  hr.,  B.  t.  u  .  ..
4  —  Radiation,  sq.  ft

77000

435

64166

361

ccnnn

310

48125

274

42777

242

38500

218

35000

199

32083

180

Capacity  in  U.  S .  gallons  per  hour


25

370

^08

264

231

205

18S

168

154

•3  30

308

257

220

193

171

154

140

128

•§      35
5      40

264
231

220
193

189
165

165
144

147
l?g

132
116

120
105

110
96

1-  H

.c  3  45

rt  0  en

*'_*  s?

.»  g,  6o.'  '"..:.::::::::

*  «,  65
2  g  70
-to  75...
205
185
167
154
143
132
123

171
154
139
128
119
110
103

146
132
119
110
102
94
88

128
116
105
96
89
83
77

114
103
93
86
79
73
68

102
92

84

77

66

62

93
84
76
70
65
60
S6

85
77
70
64
60
'55
51

2|  80.
