BTH Electric Boilers
USE & CARE MANUAL
(Revision August /06)
, Page
2.
Ratings & Specifications
Electric Ratings for 240 VAC (1 phase) Electric Boilers:
Electric Elements
(in Watts)
Total Wires
Breakers
Fuse
125%
Model
No.
A B C D Watts
Amp.
BTU
CU
AL
Amp.
Amp.
Amp.
BTH 8
5 000 3 000 ------
------
8 000
33.3
27 296
8
6
50
50
41.3
BTH 10
5 000 5 000 ------
------
10 000
41.6
34 120
6
6
60
60
52
BTH 12
3 000 3 000 3 000 3 000 12 000
50
40 944
6
4
70
70
62.5
BTH 15
3 000 4 500 3000 4 500 15 000
62.5
51 180
4
3
100
80
78.2
BTH 18
4 500 4 500 4500 4 500 18 000
75
61 416
3
2
100
100
93.8
BTH 20
5 000 5 000 5000 5 000 20 000
83.4
68 240
3
1
125
110
104
BTH 24
6 000 6 000 6000 6 000 24 000
100
81 888
1
0
125
125
125
BTH 27
3 x 4 500
3 x 4 500
27 000
112.5
92 124
1
0
150
150
140
BTH 30
3 x 5 000
3 x 5 000
30 000
125
102 360
2/0 3/0
200
175
156
BTH 33
3 x 5 000
3 x 6 000
33 000
138
112 596
2/0 3/0
200
200
172
Electric Ratings for 600 VAC (3 phases) Electric Boilers:
Model
Electric Elements
Electric Elements
Total
Wires
Fuse
No. Quantity
Watts
Quantity Watts kW
Amp.
BTU RW-90
HRC
“D”
BTH 9
3
3 000
-------
------
9
8.7
30 708
14
15 A
BTH 13
3
4 500
-------
------
13.5
13
46 062
12
20 A
BTH 18
6
3 000
-------
-------
18
17
61 416
10
30 A
BTH 22
3
3 000
3
4 500
22.5
22
76 770
10
30 A
BTH 27
6
4 500
-------
-------
27
26
92 124
8
40 A
BTH 30
6
5 000
-------
-------
30
29
102 360
8
40 A
BTH 36
6
6 000
-------
-------
36
35
122 832
8
50 A
Note: 1 kW =3,412Btu
Connections sizes & overall dimensions
Connections sizes
Boiler overall dimensions
Boiler return
1 “ NPT M
Height
12 inches
Boiler feed
1 “ NPT M
Width
12 inches
Waterworks
1/2 “ NPT F
Depth
34 inches
Safety valve
3/4 “ NPT F
Shipping weight
99 lbs.
Drain valve
1/2 “ NPT F
Drain valve
(BTH 33,36)
3/4 “ NPT M
Operating temperature : from 50°F to 190°F. Maximum operating pressure: 30 p.s.i.
