SECTION II: SPECIFICATIONS
Model Description
Input BTU/Hr.
Capacity
Model Number
(Gal.)
NAT. & L.P.
UCG100H199
100
199,999
UCG100H270
100
270,000
UCG100H399
100
399,999
Model Description
Input kW/Hr.
Capacity
Model Number
Liters
NAT. & L.P.
UCG100H199
379
58.6
UCG100H270
379
79.1
UCG100H399
371
117.2
Figure 1. Dimensional Layout.
Table 1. Specifications.
A
B
Vent
Floor to
st
1
Hour
Top of
Dia.
Delivery at
Vent
(in)
100°F Rise
(in.)
Water
(Gal.)
Conn.
267
73 ¼
6
336
73 ¼
6
463
77 ¼
8
A
B
Floor to
Vent
Floor
st
1
Hour
Top of
Dia.
Delivery at
Vent
(mm)
Cold
56°C Rise
(mm)
Water
Liters
Conn.
(mm)
1011
1861
152
254 1334 1410
1272
1861
152
254 1334 1410
1736
1962
203
254 1334 1410
5
C
D
E
F
G
Floor
Floor
Floor
Floor to
Floor
to
to
to Hot
Top of
to Gas
Cold
T& P
Water
Water
Conn.
(in)
Conn.
Heater
(in)
(in)
(in)
(in)
10
52 ½ 55 ½
69 ¾
63 ¼
10
52 ½ 55 ½
69 ¾
63 ¼
10
52 ½ 55 ½
69 ¾
63 ¼
C
D
E
F
G
Floor
Floor
Floor to
Floor to
to
to
to Hot
Top of
Gas
T&P
Water
Water
Conn.
(mm)
Conn.
Heater
(mm)
(mm)
(mm)
1772
1607
1772
1607
1772
1607
Water
Gas
Relief
Conn.
Conn.
Valve
Dia.
Dia.
(in.)
(in.)
(in.)
1 ½
¾
¾
1 ½
¾
1
1 ½
¾
1
Water
Gas
Relief
Conn.
Conn.
Valve
Dia.
Dia.
(mm)
(mm)
(mm)
38
19
19
38
19
19
38
19
25