Law Supply, Inc.
Web Page - A.O. Smith Gas Size Chart
Part Number
Gal.
Vent
B.T.U.'s
Hight
Dia.
Energy
Factor
Recovery @
90°F Rise
Approx.
Ship Wt.
TALL TOP CONNECT MODELS ( 6-year tank / 6-year parts )
GCR-30
30
3
35,500
58
18
.63
36
123
GCR-40
40
3
40,000
58-1/4
20
.62
41
150
GCG-50
50
3
40,000
57-1/4
21
.60
41
148
FCG-75
74
4
75,100
57
26-1/2
N/A
81
275
FCG-100
98
4
75,100
65
27-3/4
N/A
81
350
TALL TOP CONNECT W/BLANKET MODELS ( 6-year tank / 6-year parts )
GCB-30
30
3
35,500
58
16
.63
36
132
GCB-40
40
3
40,000
58-1/4
18
.62
41
158
SHORT TOP CONNECT MODELS ( 6-year tank / 6-year parts )
GCRL-30
30
3
35,500
46-1/4
20
.63
36
118
GCRL-40
40
3
40,000
47-3/4
22
.62
41
135

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Last updated 05/19/2020
Law Supply, Inc. (also known as Law Plumbing Supply) 401 S. Jefferson, Magnolia, AR 71753, Phone-(870)234-1940, Fax-(870)234-3299
KEY WORDS: Wholesale, Retail, Commercial, Heavy-Duty, Residential, Water Heaters, Waterheaters