JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

We are closed on Friday, July 4th, 2025 for Independence Day weekend and reopening Monday July 7th, 2025. Enjoy and be safe.

Toggle Nav

Search

We ship to most places in continental USA

Chat with us

Need help

Our Locations

AO Smith Residential Gas Tank Water Heaters

AO Smith ProLine Series - Tall Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

78 Gallon

6 Year Warranty
Retail : $1,486.00 $937.96

You Save (37%)
AO Smith GCB-30 Proline 30 Gallon Tall Residential Liquid Propane Water Heater - Atmoshperic Vent - 6 Year Warranty
1674.001056.63
30 Gallons
69 Gallons
GCB-30

AO Smith 100158802 GCB-40 Proline 40 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 6 Year Warranty
1486.00937.96
40 Gallons
78 Gallon
100158802
In Stock
Qty:
AO Smith ProLine XE Series - Non Condensing Water Heaters (LP)

Liquid Propane

Residential Water Heater

Power Vent

96 Gallons

6 Year Warranty
Retail : $3,330.00 $2,490.75

You Save (25%)
AO Smith GPVT-40LP Proline 40 Gallon Residential Liquid Propane Water Heater - Power Vent - 6 Year Warranty
2946.001859.52
40 Gallons
93 Gallons
GPVT-40-LP
In Stock

AO Smith 100114791 GPVT-50LP Proline 50 Gallon Residential Liquid Propane Water Heater - Power Vent - 6 Year Warranty
3330.002490.75
50 Gallons
96 Gallons
100114791
In Stock
Qty:
AO Smith ProMax Series - Tall - Eco-Friendly Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

99 Gallons

10 Year Warranty
Retail : $2,766.00 $1,745.90

You Save (37%)
AO Smith 100191338 GCRX-50 Promax 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
2766.001745.90
50 Gallons
99 Gallons
100191338
In Stock

AO Smith GCRX-55 Promax 55 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
2982.001882.24
55 Gallons
99 Gallons
XCRX-55
Qty:
AO Smith ProLine Series - Tall - XCR Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

84 Gallon

10 Year Warranty
Retail : $1,864.00 $1,176.56

You Save (37%)
AO Smith 100325957 XCR-30 Proline 30 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 10 Year Warranty
1838.001160.15
30 Gallons
62 Gallon
XCR-30
In Stock

AO Smith 100191157 XCR-40 Proline 40 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 10 Year Warranty
1650.001041.48
40 Gallons
80 Gallon
XCR-40
In Stock

AO Smith 100191211 XCR-50 Proline 50 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 10 Year Warranty
1864.001176.56
50 Gallons
84 Gallon
XCR-50
In Stock
Qty:
AO Smith ProLine Series - Tall - GCR Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

80 Gallon

6 Year Warranty
Retail : $1,432.00 $903.88

You Save (37%)
AO Smith 100325924 GCR-30 Proline 30 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 6 Year Warranty
1620.001022.54
30 Gallons
62 Gallon
100325924
In Stock

AO Smith 100187988 GCR-40 Proline 40 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 6 Year Warranty
1432.00903.88
40 Gallons
80 Gallon
100187988
In Stock

AO Smith 100218006 GCR-50 Proline 50 Gallon Tall Residential Natural Gas Water Heater - Atmoshperic Vent - 6 Year Warranty
1646.001038.96
50 Gallons
84 Gallon
100218006
In Stock
Qty:
AO Smith ProMax Series - GCRT Water Heaters

Natural Gas

Residential Water Heater

Atmospheric Vent

89 Gallons

6 Year Warranty
Retail : $1,816.00 $1,146.26

You Save (37%)
AO Smith 100191259 GCRT-50 ProLine 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
1816.001146.26
50 Gallons
GCRT-50
In Stock
Qty:
AO Smith ProLine Series - GCG Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

81 Gallons

6 Year Warranty
Retail : $1,620.00 $1,022.54

You Save (37%)
AO Smith 100191291 GCG-50 ProLine 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
1620.001022.54
50 Gallons
GCG-50
In Stock
Qty:
AO Smith ProLine Series - GCG Water Heaters (LP)

Liquid Propane

Residential Water Heater

Standard Vent

81 Gallons

6 Year Warranty
Retail : $1,700.00 $1,073.04

You Save (37%)
AO Smith 100191307 GCG-50-LP ProLine 50 Gallon Tall Residential Liquid Propane Water Heater - Atmospheric Vent - 6 Year Warranty
1700.001073.04
50 Gallons
100191307
In Stock
Qty:
AO Smith ProMax Series - XCG Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

81 Gallons
Retail : $1,838.00 $1,160.15

You Save (37%)
AO Smith 100191296 GCG-50 Proline 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
1838.001160.15
50 Gallons
XCG-50
In Stock
Qty:
AO Smith ProLine Series - FCG Water Heaters (LP)

Liquid Propane

Residential Water Heater

Atmospheric Vent

125 Gallons

6 Year Warranty
Retail : $2,768.00 $1,747.16

You Save (37%)
AO Smith 100279900 FCG-75-LP ProLine 75 Gallon Residential Liquid Propane Water Heater - Atmospheric Vent - 6 Year Warranty
2768.001747.16
75 Gallons
100279900
In Stock
Qty:
AO Smith ProLine Series - GDV Water Heaters

Natural Gas

Residential Water Heater

Direct Vent

91 Gallons

6 Year Warranty
Retail : $4,406.00 $2,781.07

You Save (37%)
AO Smith GDV-40 Proline 40 Gallon Residential Natural Gas Water Heater - Direct Vent - 6 Year Warranty
4014.002533.64
40 Gallons
64 Gallons
GDV-40

AO Smith 100210251 GDV-50 Proline 50 Gallon Residential Natural Gas Water Heater - Direct Vent - 6 Year Warranty
4406.002781.07
50 Gallons
91 Gallons
100210251
In Stock
Qty:
AO Smith ProLine Series - GPVT Side Connect Water Heaters

Natural Gas

Residential Water Heater

Power Vent

83 Gallons

6 Year Warranty
Retail : $3,250.00 $2,051.40

You Save (37%)
AO Smith 100114729 GPVT-40 Proline 40 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
2866.001809.02
40 Gallons
93 Gallons
100114729
In Stock

AO Smith 100114769 GPVT-50 Proline 50 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
3250.002051.40
50 Gallons
83 Gallons
100114769
In Stock
Qty:
AO Smith ProMax Plus Series - PCG - Eco-Friendly Water Heaters

Natural Gas

Residential Water Heater

Atmospheric Vent

80% Efficiency

125+ Gallons

10 Year Warranty
Retail : $2,906.00 $1,834.27

You Save (37%)
AO Smith 100279911 PCG-75 Promax 74 Gallon Residential Natural Gas Water Heater - 10 Year Warranty
2906.001834.27
74 Gallons
125+ Gallons
100279911
In Stock

AO Smith 100280114 PCG-100 Promax 98 Gallon Residential Natural Gas Water Heater - 10 Year Warranty
6066.003828.86
98 Gallons
125+ Gallons
100280114
In Stock
Qty:
AO Smith Polaris Tall High Efficiency Water Heater

Natural Gas

Stainless Steel Heat Exchanger

Residential Water Heater

Power Direct Vent

95% Efficiency

10 Year Warranty

Energy Star
Out of Stock
Retail : $10,396.00 $6,561.96

You Save (37%)

Qty:
AO Smith ProLine XE Series - Flue Damper Water Heaters

Natural Gas

Non-Condensing

Atmospheric Vent

70 Gallons

6 Year Limited Warranty
Retail : $2,210.00 $1,394.95

You Save (37%)
AO Smith GCF-40 ProLine® XE 40 Gallons, 40 Input MBtu, High Efficiency Flue Damper, Non Condensing, Tall, Residential Natural Gas Water Heater, Atmospheric Vent, Indoor, 6 Year Warranty
2210.001394.95
40 Gallons
70 Gallons

AO Smith GCF-50 ProLine® XE 50 Gallon 40 Input MBtu, High Efficiency Flue Damper, Non Condensing, Tall, Residential Natural Gas Water Heater, Atmospheric Vent, Indoor, 6 Year Warranty
2354.001485.84
50 Gallons
84 Gallons
GCF-50
Qty:
AO Smith ProLine Series - Ultra Low NOx Water Heaters

Natural Gas

Residential Water Heaters

Atmospheric Vent

102 Gallons

6 Year Warranty
Retail : $3,616.00 $2,282.42

You Save (37%)
AO Smith GCN-75 Proline 75 Gallons Ultra-Low Nox High Recovery Natural Gas Water Heater
3616.002282.42
75 Gallons
GCN-75
Qty:
AO Smith Vertex Series - Top Water Connect Water Heaters (LP)

Liquid Propane

Power Direct Vent

100 Gallons
Retail : $7,592.00 $4,792.07

You Save (37%)
AO Smith GDHE-50-LP Vertex 50 Gallon Residential Liquid Propane Water Heater - Power Direct Vent - 6 Year Warranty
7592.004792.07
50 Gallons
100 Gallons
GDHE-50-LP

AO Smith GDHE-75LP Vertex 75 Gallon Residential Liquid Propane Water Heater - Power Direct Vent - 6 Year Warranty
9738.006146.63
75 Gallons
130 Gallons
100305443
Qty:
AO Smith ProLine Series - Short Water Heaters (LP)

Liquid Propane

Residential Water Heater

Standard Vent

67 Gallon

6 Year Warranty
Retail : $1,550.00 $978.36

You Save (37%)
AO Smith GCRL-40-LP Proline 40 Gallon Short Liquid Propane Water Heater - Atmospheric Vent - 6 Year Warranty
1550.00978.36
40 Gallons
67 Gallon
GCRL-40-LP
In Stock

AO Smith GCRL-50-LP Proline 50 Gallon Short Residential Liquid Propane Water Heater - Atmoshperic Vent - 6 Year Warranty
1914.001208.12
50 Gallons
81 Gallon
GCRL-50-LP
In Stock
Qty:
AO Smith ProLine Series - Tall XCB Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

78 Gallon

10 Year Warranty
Retail : $1,704.00 $1,075.56

You Save (37%)
AO Smith GCB-30 Proline 30 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
1892.001194.23
30 Gallons
69 Gallons
XCB-30
In Stock

AO Smith GCB-40 Proline 40 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
1704.001075.56
40 Gallons
78 Gallon
XCB-40
In Stock
Qty:
AO Smith ProLine Series - FCG High Capacity Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

125 Gallons

6 Year Warranty
Retail : $2,688.00 $1,696.67

You Save (37%)
AO Smith 100279887 FCG-75 Proline 74 Gallon Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
2688.001696.67
74 Gallons
125 Gallons
100279887
In Stock

AO Smith 100280111 FCG-100 Proline 98 Gallon Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
5848.003691.26
98 Gallons
170 Gallons
100280111
In Stock
Qty:
AO Smith Vertex Series - Ultra-Low NOx Water Heaters

Natural Gas

Residential Water Heater

Power Direct Vent

125+ Gallons
Retail : $9,658.00 $6,096.13

You Save (37%)
AO Smith 100305402 GDHE-50 Vertex 50 Gallon Residential Natural Gas Water Heater - Power Direct Vent - 6 year Warranty
7512.004741.57
50 Gallons
100 Gallons
100305402

AO Smith GDHE-75 Vertex 75 Gallon Residential Natural Gas Water Heater - Power Direct Vent - 6 year Warranty
9658.006096.13
75 Gallons
125+ Gallons
GDHE-75
In Stock
Qty:
AO Smith ProLine Series -Tall XCRT Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

89 Gallons

10 Year Warranty
Retail : $2,034.00 $1,283.86

You Save (37%)
AO Smith 100191261 GCRT-50 ProLine 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
2034.001283.86
50 Gallons
XCRT-50
In Stock
Qty:
AO Smith ProLine Series -Tall XCRL Water Heaters

Natural Gas

Residential Water Heater

Standard Vent

81 Gallon

10 Year Warranty
Retail : $2,052.00 $1,295.22

You Save (37%)
AO Smith GCRL-30 Proline 30 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
1844.001163.93
30 Gallons
55 Gallon
XCRL-30
In Stock

AO Smith 100327632 GCRL-40 Proline 40 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
1688.001065.47
40 Gallons
67 Gallon
100327632
In Stock

AO Smith 100210141 GCRL-50 Proline 50 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 10 Year Warranty
2052.001295.22
50 Gallons
81 Gallon
100210141
In Stock
Qty:
AO Smith ProLine Series - Side Connect water Heaters (LP)

Liquid Propane

Residential Water Heater

Power Vent

6 Year Warranty
Retail : $4,814.00 $3,038.60

You Save (37%)
AO Smith 100310865 GPVX-75L-LP Proline 75 Gallon Residential Liquid Propane Water Heater - Power Vent - 6 Year Warranty
4814.003038.60
75 Gallons
100310865
In Stock
Qty:
AO Smith ProLine Series - GDVTL Side Connect water Heaters

Natural Gas

Residential Water Heater

Direct Vent

77 Gallons

6 Year Warranty
Retail : $4,208.00 $2,656.09

You Save (37%)
AO Smith GDVT-50-L ProMax SL 50 Gallon Residential Natural Gas Water Heater - Direct Vent - 6 Year Warranty
4208.002656.09
50 Gallons
GDVT-50L
In Stock
Qty:
AO Smith ProLine Series - Tall GCRX Water Heater

Natural Gas

Residential Water Heater

Standard Vent

99 Gallons

6 Year Warranty
Retail : $2,548.00 $1,608.30

You Save (37%)
AO Smith 100191332 GCRX-50 ProLine 50 Gallon Tall Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
2548.001608.30
50 Gallons
100191332
In Stock
Qty:
AO Smith ProLine Series - Tall Water Heater (LP)

Liquid Propane

Residential Water Heater

Atmospheric Vent

80 Gallon

6 Year Warranty
Retail : $1,512.00 $954.37

You Save (37%)
AO Smith GCR-30LP Proline 30 Gallon Tall Residential Liquid Propane Water Heater - Atmospheric Vent - 6 Year Warranty
1744.001100.81
30 Gallons
62 Gallon
GCR-30-LP

AO Smith 100187989 GCR-40-LP Proline 40 Gallon Tall Residential Liquid Propane Water Heater - Atmospheric Vent - 6 Year Warranty
1512.00954.37
40 Gallons
80 Gallon
100187989
In Stock
Qty:
AO Smith ProLine Series - Short Side Connect Water Heaters (NG)

Natural Gas

Residential Water Heater

Atmospheric Vent

67 Gallon

6 Year Warranty
Retail : $1,470.00 $927.86

You Save (37%)
AO Smith GCRL-30 Proline 30 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
1626.001026.33
30 Gallons
66 Gallons
GCRL-30
In Stock

AO Smith 100327516 GCRL-40 Proline 40 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
1470.00927.86
40 Gallons
67 Gallon
100327516
In Stock

AO Smith 100217970 GCRL-50 Proline 50 Gallon Short Residential Natural Gas Water Heater - Atmospheric Vent - 6 Year Warranty
1834.001157.62
50 Gallons
81 Gallon
100217970
In Stock
Qty:
AO Smith Vertex Series - Water Heaters

Natural Gas

Residential Water Heater

Power Vent

124 Gallons

3 Year Warranty

Energy Star
Retail : $6,054.00 $3,821.28

You Save (37%)
AO Smith GPHE-50 Vertex 50 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
6054.003821.28
50 Gallons
GPHE-50
Qty:
AO Smith ProLine Series - Short Side Connect Water Heaters

Natural Gas

Residential Water Heater

Power Vent

93 Gallons

6 Year Warranty
Retail : $3,204.00 $2,022.36

You Save (37%)
AO Smith 100113709 GPVL-40 Proline 40 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
2856.001802.71
40 Gallons
72 Gallons
100113709
In Stock

AO Smith 100113739 GPVL-50 Proline 50 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
3204.002022.36
50 Gallons
93 Gallons
100113739
In Stock
Qty:
AO Smith ProLine Series - Short Side Connect Water Heaters (LP)

Liquid Propane

Residential Water Heater

Power Vent

90 Gallons

6 Year Warranty
Retail : $3,284.00 $2,072.86

You Save (37%)
AO Smith GPVL-50LP Proline 50 Gallon Residential Liquid Propane Water Heater - Power Vent - 6 Year Warranty
3284.002072.86
50 Gallons
GPVL-50-LP
In Stock
Qty:
AO Smith ProLine XE Series - Side Connect Water Heaters

Natural Gas

Residential Water Heater

Power Vent

100 - 125 Gallons

6 Year Warranty
Retail : $4,734.00 $2,988.10

You Save (37%)
AO Smith GPVX-50-L Proline 50 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
4556.002875.75
50 Gallons
108 Gallons
GPVX-50L

AO Smith 100310836 GPVX-75-L Proline 75 Gallon Residential Natural Gas Water Heater - Power Vent - 6 Year Warranty
4734.002988.10
75 Gallons
100 - 125 Gallons
100310836
In Stock
Qty:
AO Smith ProLine Series - PCGL Side Connect Water Heater

Natural Gas

Residential Water Heater

Atmospheric Vent

125+ Gallons

10 Year Warranty
Retail : $2,926.00 $1,846.89

You Save (37%)
AO Smith PCG-75L Proline 74 Gallon Residential Natural Gas Water Heater - 10 Year Warranty
2926.001846.89
74 Gallons
125+ Gallons
PCG-75L

AO Smith PCG-100L 100 Gallon ProLine High Recovery Atmospheric Vent Residential Natural Gas Water Heater
6086.003841.48
98 Gallons
81 Gallons
PCG-100L
Qty:
AO Smith ProLine Series - GPDL Side Connect Water Heaters

Natural Gas

Residential Water Heater

Power Direct Vent

71 Gallons

6 Year Warranty
Retail : $4,030.00 $2,543.74

You Save (37%)
AO Smith GPDL-40 ProLine 40 Gallon Residential Natural Gas Water Heater - Power Direct Vent - 6 Year Warranty
4030.002543.74
40 Gallons
GPDL-40
Qty:
AO Smith ProMax Plus Series - Water Heaters (LP)

Liquid Propane

Residential Water Heater

Atmospheric Vent

80% Efficiency

10 Year Warranty
Retail : $6,166.00 $3,891.98

You Save (37%)
AO Smith PCG-75-LP Promax 74 Gallon Residential Liquid Propane Water Heater - 10 Year Warranty
3006.001897.39
74 Gallons
PCG-75-LP

AO Smith PCG-100-LP Promax 98 Gallon Residential Liquid Propane Water Heater - 10 Year Warranty
6166.003891.98
98 Gallons
PCG-100-LP
Qty:
AO Smith ProLine Series - GDVT Water Heaters

Natural Gas

Residential Water Heater

Direct Vent

83 Gallon

6 Year Warranty
Retail : $4,188.00 $2,643.47

You Save (37%)
AO Smith GDVT-50 ProLine 50 Gallon Residential Natural Gas Water Heater - Direct Vent - 6 Year Warranty
4188.002643.47
50 Gallons
GDVT-50
Qty:

Shopping Options

By using this site you agree to our © 2025 AF Supply Corp. All Rights Reserved.