Installation / Operation Instruction Manual
5
SECTION II: SPECIFICATIONS
Figure 1 – Dimensional Layout
Table 1 – Specifications
Model Description Dimensions (inches)
Model
Number
Nominal
Gal.
Capacity
US Imp.
Gal Gal.
BTU/Hr.
Input
GPH Recovery
at Degree Rise
40°F 100°F 140°F
A
Floor
to
Vent
Conn.
in.
B
Jacket
Dia.
in.
C
Vent
Size
in.
D
Floor
to
T&P
Conn.
in.
E
Floor
to
Gas
Conn.
In.
F
Floor
to Top
of
Heater
In.
G
Floor to
Cold
Water
Conn./Hot
Water
Conn.
In.
H
Depth
in.
K
Floor to
Cold
Water
Conn.
in.
L
Floor to
Hot
Water
Conn.
in.
M
Water
Conn.
NPT
in.
S
Gas
Conn.
Size
in.
Relief
Valve
Open
in.
Aprox.
Shipping
Weight
lbs.
UCG80H125
80
67
125,000
308
123
8
8
57
28
5
44
1
/
4
54
1
/
2
61
⅜
55
3
/
4
30
9
3
/
4
46
15
/
16
1
1
/
2
3
/
4
3
/
4
535
UCG80H199
8
0
67
199,999
493
197
141
57
28
6
44
1
/
4
54
1
/
2
61
⅜
55
3
/
4
30
9
3
/
4
46
15
/
16
1
1
/
2
3
/
4
3
/
4
535
UCG80H270
8
0
67
270,000
665
266
19
0
57
28
6
44
1
/
4
54
1
/
2
61
⅜
55
3
/
4
30
9
3
/
4
46
15
/
16
1
1
/
2
3
/
4
1
545
UCG80H399
8
0
67
399,999
960
384
274
57
28
8
44
1
/
4
54
1
/
2
61
⅜
55
3
/
4
30
9
3
/
4
46
15
/
16
1
1
/
2
3
/
4
1
545
UCG100H199
100
83
199,999
493
197
141
64
7
/
8
28
6
52
3
/
4
62
3
/
4
70
63
1
/
4
30
9
3
/
4
55
⅜
1
1
/
2
3
/
4
3
/
4
63
2
UCG100
H270
1
00
83
270,000
665
266
190
64
7
/
8
28
6
52
3
/
4
62
3
/
4
70
63
1
/
4
30
9
3
/
4
55
⅜
1
1
/
2
3
/
4
1
632
UCG100H399
100
83
399,999
994
398
284
64
7
/
8
28
8
52
3
/
4
62
3
/
4
70
63
1
/
4
30
9
3
/
4
55
⅜
1
1
/
2
3
/
4
1
657
Model Description Dimensions (millimeters)
Model
Number
Nominal
Liter
Capacity
Input
kW
GPH Recovery
at Degree Rise
22°C 56°C 78°C
A
Floor
to
Vent
Conn.
mm.
B
Jacket
Dia.
mm.
C
Vent
Size
mm.
D
Floor
to
T&P
Conn.
mm.
E
Floor
to
Gas
Conn.
mm.
F
Floor
to Top
of
Heater
mm.
G
Floor to
Water
Conn.
mm.
H
Depth
mm.
K
Floor to
Space
Heating
Inlet
mm.
L
Floor to
Space
Heating
Outlet
mm.
M
Water
Conn.
NPT
mm.
S
Gas
Conn.
Size
mm.
Relief
Valve
Open
mm.
Aprox.
Shipping
Weight
kgs.
UCG80H125 303 36.6 1164
466 333 1448 711 127 1124 1384 1569 1416 752 247 1192 38 19 19 243
UCG80H199 303 58.6 1864
746 533 1448 711 152 1124 1384 1569 1416 752 247 1192 38 19 19 243
UCG80H270 303 79.1 2517
1007
719 1448 711 152 1124 1384 1569 1416 752 247 1192 38 19 25 247
UCG80H399 303 117.2 3634
1454
1038
1448 711 203 1124 1384 1569 1416 752 247 1192 38 19 25 247
UCG100H199
379 58.6 1866
745 533 1648 711 152 1340 1594 1778 1606 752 247 1406 38 19 19 286
UCG100H270
379 79.1 2517
1006
719 1648 711 152 1340 1594 1778 1606 752 247 1406 38 19 25 286
UCG100H399
379 117.2 3757
1476
1060
1648 711 203 1340 1594 1778 1606 752 247 1406 38 19 25 298