Rheem Gas Hot Water Supply Heaters Water Heater User Manual


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SPECIFICATIONS AND DIMENSIONS
MODEL NUMBER STYLE MBTUH NATURAL GAS (X 1000) DIMENSIONS (INCHES) SHIPPING WEIGHT††
Ref. With- Height Jacket Gas Flue
to out With In- Out- (indoor) (outdoor) Width Overall Height Conn. Dia.
Dwg. Pump Pump door door Input Output Input Output A B C G J K L M N (Indoor) (Outdoor)
1 GBB136* GBBP136* • • 136.0 112.0 136.0 112.0 24
1
⁄8 45.0 30
1
⁄8
1
⁄2 –69
1
⁄4 10
1
⁄4 3
1
⁄2 195 195
GBC186** GBCP186** • • 181.0 148.0 181.0 148.0 18
1
⁄
4 40.0 38
3
⁄
4 12
1
⁄
16 6 – – – 191 200
GBC264** GBCP264** • • 264.0 216.0 264.0 216.0 22
3
⁄8 40.0 38
3
⁄4 11
1
⁄8 7 – – – 214 220
2
GBC331** GBCP331** • • 334.0 274.0 334.0 274.0 25
3
⁄4 40.0 38
3
⁄4 10
3
⁄4 8 – – – 234 240
GBC399** GBCP399** • • 399.0 327.0 399.0 327.0 29
1
⁄
4 40.0 38
3
⁄
4 12
1
⁄
2 9 – – – 253 260
GBC512 GBCP512 • • 511.5 419.4 511.5 419.4 32
3
⁄4 57.0 33 1 – 10 25
3
⁄8 – – 510 535
GBC627 GBCP627 • • 627.0 514.1 627.0 514.1 37
1
⁄2
57.0 33 1 – 12 29
1
⁄2
– – 520 545
3
GBC726 GBCP726 • • 726.0 595.4 726.0 595.4 41
5
⁄8
57.0 33 1 – 12 34
1
⁄4
– – 630 685
GBC825 GBCP825 • • 825.0 676.5 825.0 676.5 45
3
⁄4
57.0 33 1 – 14 38
1
⁄2
– – 660 720
GBC926 GBCP926 – • – – 926.0 759.3 52
3
⁄8
– – 1––––– – 790
GBC962 GBCP962 • – 961.7 788.6 – – 52
3
⁄8
68
3
⁄4
33
1
⁄2
1 18 14 28 – – 760 –
GBC1083 GBCP1083 – • – – 1083.0 888.1 59
1
⁄4
– – 1––––– – 850
GBC1125 GBCP1125 • – 1124.7 922.2 – – 59
1
⁄4
74
1
⁄2
33
1
⁄2
125
5
⁄8
16 32 – – 800 –
GBC1178 GBCP1178 – • – – 1178.0 966.0 63
5
⁄8
– – 1––––– – 910
GBC1223 GBCP1223 • – 1222.5 1002.4 – – 63
5
⁄8
74
1
⁄2
33
1
⁄2
123
5
⁄8
16 32 – – 860 –
GBC1287 GBCP1287 – • – – 1287.0 1055.3 68
5
⁄
8 ––1
1
⁄
4 – – – – – – 975
4
GBC1337 GBCP1337 • – 1336.6 1096.0 – – 68
5
⁄
8 76
1
⁄
2 33
1
⁄
2 1
1
⁄
4 23
5
⁄
8 18 36 – – 930 –
GBC1413 GBCP1413 – • – – 1413.0 1158.7 74
7
⁄8 ––1
1
⁄4 – – – – – – 1065
GBC1467 GBCP1467 • – 1467.0 1202.9 – – 74
7
⁄8 76
1
⁄2 33
1
⁄2 1
1
⁄4 23
5
⁄8 18 36 – – 1000 –
GBC1570 GBCP1570 – • – – 1570.0 1287.4 81
1
⁄
8 ––1
1
⁄
4 – – – – – – 1120
GBC1630 GBCP1630 • – 1630.0 1336.5 – – 81
1
⁄8 79
1
⁄2 36
1
⁄2 1
1
⁄4 23
5
⁄8 18 36 – – 1040 –
GBC1758 GBCP1758 – • – – 1758.0 1441.6 89
3
⁄8 ––1
1
⁄4 – – – – – – 1150
GBC1826 GBCP1826 • – 1825.6 1496.9 – – 89
3
⁄
8 81
1
⁄
2 36
1
⁄
2 1
1
⁄
4 23
5
⁄
8 20 40 – – 1090 –
* Equipped with bronze headers, all other models have glasslined cast iron headers.GBC – cast iron headers. GBB – bronze headers.
†† Subtract 55 lbs.when ordering GBC models.
** Low NOx models add “N”after model number.Outdoor models add “-O” after model number.
Indicate Natural or LP when ordering.
MBTUH PROPANE GAS†
Model
Size Multiplier
136-399 Same as natural gas
512-825 .94
926-1826 .92 Indoor
.955 Outdoor (input)
.92 Outdoor (output)
† Multiplier x Nat. MBTUH = Pro. MBTUH
ELECTRICAL RATINGS
Model
Size With Pump
136-399 3.7 amps @ 120V (1/8 hp pump)
331-399 3.6 amps @ 120V (1/6 hp pump)
512-1826 7.2 amps @ 120V (1/2 hp pump)
MIN. CLEARANCES TO COMBUSTIBLE SURF.
Model Left Right
Top
Size Rear Side Side Indoor Outdoor
136 12" 12" 6" 42" Unobstr.
186-399 12" 12" 12" 39" Unobstr.
512-825 12" 18" 6" 36" Unobstr.
926-1826 24" 24" 24" 24" Unobstr.
For servicing provide 24" minimum unobstructed clearance
in front of unit.
OUTLET
INLET
REAR VIEW
B
L
14
1
/2
10
1
/2
3
1
/4
15
3
/8
7
1
/4
1
1
/4
38
1
/2
24
1
/4
FRONT VIEW
4
7
/8
4
3
/4
C
K
A
G
GAS
ELEC.
CONN.
INDOOR OUTDOOR
UP FRONT
CONTROLS
2
2
OPTIONAL
ON INDOOR
COMBUSTIBLE
FLOOR SHIELD
OUTLET INLET
OUTDOORINDOOR
B
C
28
1
/4
44
1
/8
29
1
/2
11
1
/8
2
1
/4
6
14
3
/4
17
G
GAS
2
K
A
18
14
1
/2
2
1
/4
5
L
A
2
COMBUSTIBLE
FLOOR SHIELD
ELEC
CONN
OPTIONAL
ON INDOOR
DRAWING 3
K
68-3/4
INDOOR
DRAFT
(B)
STACKLESS
OUTDOOR TOP
PUMP COVER
(OPTIONAL
OUTDOOR
MODELS ONLY)
21-1/4
ELECTRIC
CONNECTION
13-1/4
GAS
CONNECTION
3/4 NPT
GAS
CONNECTION
1-1/2 NPT
WATER
CONNECTION
J
(C)
26-1/2
26-1/2
8-1/2
3-7/8
A
10-1/4
9-7/8
PUMP
(OPTIONAL)
OUTLET
INLET
A
K
B
A
2
18
14
1
/2
1
1
/8
5
1
/8
2
1
/2
27
3
/4
2
1
/2
46
3
/4
32
1
/2
11
1
/4
11
3
/4
11
1
/8
C
J
14
6
G
GAS
5
/8
5
18
OUTDOOR
OPTIONAL
ON INDOOR
OUTLET INLET
COMBUSTIBLE
FLOOR SHIELD
ELEC
CONN
INDOOR
DRAWING 1 DRAWING 2
DRAWING 3 DRAWING 4
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