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Ultra-Low NOx Natural Gas Water Heaters
Unit of Measure
1 

Item #

Capacity

First Hour Rating

Height to Top of Heater C

Height to Top Water D

G-30T-1-3-6 N/A 30 gal N/A 56 gal N/A 58-3/8 in N/A 59-1/2 in
G-30T-2-3-6 N/A 30 gal N/A 56 gal N/A 58-3/8 in N/A 59-1/2 in
G-30T-1-3-12 N/A 30 gal N/A 56 gal N/A 58-3/8 in N/A 59-1/2 in
G-30T-2-3-12 N/A 30 gal N/A 56 gal N/A 58-3/8 in N/A 59-1/2 in
G-30L-1-3-6 N/A 30 gal N/A 55 gal N/A 46-3/4 in N/A 48-1/2 in
G-30L-1-3-12 N/A 30 gal N/A 55 gal N/A 46-3/4 in N/A 48-1/2 in
G-40T-2-3-6 N/A 40 gal N/A 71 gal N/A 58-1/2 in N/A 59-3/4 in
G-40T-2-3-12 N/A 40 gal N/A 71 gal N/A 58-1/2 in N/A 59-3/4 in
G-40T-1-3-6 N/A 40 gal N/A 61 gal N/A 58-1/2 in N/A 59-3/4 in
G-40T-1-3-12 N/A 40 gal N/A 61 gal N/A 58-1/2 in N/A 59-3/4 in
G-40L-1-3-6 N/A 40 gal N/A 57 gal N/A 48-1/2 in N/A 50-1/4 in
G-40L-2-3-6 N/A 40 gal N/A 57 gal N/A 48-1/2 in N/A 50-1/4 in
G-40L-1-3-12 N/A 40 gal N/A 57 gal N/A 48-1/2 in N/A 50-1/4 in
G-40L-2-3-12 N/A 40 gal N/A 57 gal N/A 48-1/2 in N/A 50-1/4 in
G-50T-2-3-6 N/A 50 gal N/A 80 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-2-3-12 N/A 50 gal N/A 80 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-1-3-6 N/A 50 gal N/A 73 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-1-4-6 N/A 50 gal N/A 68 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-2-4-6 N/A 50 gal N/A 68 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-1-3-12 N/A 50 gal N/A 73 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-1-4-12 N/A 50 gal N/A 68 gal N/A 57-1/8 in N/A 58-3/8 in
G-50T-2-4-12 N/A 50 gal N/A 68 gal N/A 57-1/8 in N/A 58-3/8 in
G-50L-1-3-6 N/A 50 gal N/A 73 gal N/A 49-1/2 in N/A 51 in
G-50L-1-3-12 N/A 50 gal N/A 73 gal N/A 49-1/2 in N/A 51 in
Unit of Measure
1