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

Home
HVAC
Water Heaters

Water Heaters

Gallon

Fuel Type

Heater Type

Brands

Rheem ProTerra Series - Water Heater with LeakGuard

Electric

Residential Wate Hetaer

67 Gallons

10 Year Warranty

Energy Star
Retail : $3,812.00 $3,430.80

You Save (10%)
Rheem PROPH 40 T2 RH375-SO Professional Prestige ProTerra® 40 Gallon Residential Hybrid Electric Heat Pump Water Heater with LeakGuard
3658.003292.20
40 Gallons
60 Gallon
In Stock

Rheem PROPH 50 T2 RH375-SO Professional Prestige® ProTerra® 50 Gallon Residential Hybrid Electric Heat Pump Water Heater with LeakGuard
3812.003430.80
50 Gallons
67 Gallons
In Stock

Rheem PROPH 80 T2 RH375-SO Professional Prestige® ProTerra® 80 Gallon Residential Hybrid Electric Heat Pump Water Heater with LeakGuard
5604.005043.60
80 Gallons
87 Gallon
In Stock
Qty:
Rheem Universal Series - Water Heaters

Natural Gas

Commercial Water Heater

3 Year Warranty
Retail : $12,846.00 $9,634.50

You Save (25%)
Rheem G100-250 Universal 100 Gallon, 250 MBtu, Commercial Natural Gas Water Heater
12846.009634.50
100 Gallons
G100-250
In Stock
Qty:
AO Smith ATI U - Tankless Water Heaters

Natural Gas

Non-Condensing Water Heaters
Retail : $1,362.00 $1,089.60

You Save (20%)
AO Smith ATI-110U-N ProLine® XE Ultra-Low NOx Indoor 140 Input MBtu Non-Condensing Natural Gas Tankless Water Heater
1362.001089.60
140 MBtu
In Stock

AO Smith ATI-510U-N ProLine® XE, 199 Input MBtu, Non-Condensing, Residential Natural Gas/Liquid Propane Tankless Water Heater, Ultra-Low NOx, Direct Vent, Indoor, 15 Year limited Heat Exchanger/5 Year Parts Warranty
2156.001724.80
199 MBtu
In Stock
Qty:
AO Smith Voltex®AL Series Water Heaters

Electric

Direct Vent

82 Gallons

10 Year Warranty
Retail : $5,050.00 $3,499.65

You Save (31%)
AO Smith HPTS-50 100350404 ProLine XE® Voltex®AL, 50 Gallons, Smart Hybrid Residential Electric Heat Pump Water Heater, Indoor, 10 Year Limited Warranty
4018.002784.47
50 Gallons
65 Gallons
100350404
In Stock

AO Smith HPTS-66 100350405 ProLine XE® Voltex®AL, 66 Gallons, Smart Hybrid Residential Electric Heat Pump Water Heater, Indoor, 10 Year Limited Warranty
5050.003499.65
66 Gallons
82 Gallons
100350405
In Stock

AO Smith HPTS-80 100350407 ProLine XE® Voltex®AL, 80 Gallons, Smart Hybrid Residential Electric Heat Pump Water Heater, Indoor, 10 Year Limited Warranty
6082.004214.83
80 Gallons
95 Gallons
100350407
In Stock
Qty:
AO Smith ACT - Indoor - Tankless Water Heater

Natural Gas

Condensing Water Heaters

Power Direct Vent

6 Year Heat Exchanger Warranty
Retail : $4,782.00 $3,825.60

You Save (20%)
AO Smith ACT-199I-N ProLine® XE, 199 Input MBtu, Condensing, Commercial Natural Gas Tankless Water Heater, Ultra-Low NOx, Power Direct Vent, Indoor, 6 Year Heat Exchanger/5 Years Parts Warranty
2504.002003.20
199 MBtu
Qty:
Lochinvar Lock-Temp
In Stock
Retail : $5,287.00 $3,538.59

You Save (33%)

Qty:
Lochinvar Armor® Natural Gas Water Heater - Direct Vent (Pump Supplied)

Natural Gas

Stainless Steel Heat Exchanger

99% Efficiency
Retail : $26,246.00 $18,579.54

You Save (29%)
Lochinvar AWH0400N-PM Armor® 399 Input MBtu 99% AFUE - Commercial Natural Gas Condensing Water Heater - Direct Vent (Pump Supplied)
22886.0016201.00
399 MBtu

Lochinvar AWH0500N-PM Armor® 500 Input MBtu 99% AFUE - Commercial Natural Gas Condensing Water Heater - Direct Vent (Pump Supplied)
26246.0018579.54
500 MBtu
In Stock

Lochinvar AWH0800N-PM Armor® 800 Input MBtu 98% AFUE - Commercial Natural Gas Condensing Water Heater - Direct Vent (Pump Supplied)
42567.0030133.18
800 MBtu
Qty:
AO Smith ProLine Series - Hybrid Water Heaters

Electric

Commercial Water Heater
Retail : $17,030.00 $15,327.00

You Save (10%)
AO Smith CAHP-120 120 Gallon Hybrid Light Commercial Water Heater
17030.0015327.00
119 Gallons
CAHP-120
In Stock
Qty:
AO Smith LTE - Electric

Electric, Water

Commercial Water Heater

Power Vent

86% Efficiency
Retail : $2,331.30 $1,398.78

You Save (40%)
AO Smith LTE-66D 66 Gallon Commercial Electric Tank Water Heater - 6 Year Warranty
2331.301398.78
66 Gallons
LTE-66D
In Stock

AO Smith LTE-80D 80 Gallon Light- Service Commercial Electric Tall Water Heater
2570.701542.42
80 Gallons
LTE-80D
In Stock

AO Smith 100297716 LTE-120 119 Gallon Commercial Electric Tank Water Heater - 6 Year Warranty
3119.801871.88
119 Gallons
100297716
In Stock
Qty:
Hudson GSN - Lowboy - Low NOx Water Heaters

Natural Gas

Residential Water Heater

82 Gallons

6 Year Warranty
Retail : $1,121.57 $807.53

You Save (28%)
Hudson GSN40L-2-3-6 40 Gallon LowBoy Natural Gas Water Heater - 6 Year Warranty
898.37646.83
40 Gallons
71 Gallons
GSN40L-2-3-6

Hudson GSN50L-2-3-6 Gallon LowBoy Natural Gas Water Heater - 6 Year Warranty
1121.57807.53
50 Gallons
82 Gallons
GSN50L-2-3-6
In Stock
Qty:
AO Smith LTE - Electric Water Heaters

Electric

Commercial Water Heater

6 Year Warranty
Retail : $2,570.70 $1,542.42

You Save (40%)
AO Smith LTE-66D 66 Gallon Commercial Electric Tank Water Heater - 6 Year Warranty
2331.301398.78
66 Gallons
LTE-66D
In Stock

AO Smith LTE-80D 80 Gallon Light- Service Commercial Electric Tall Water Heater
2570.701542.42
80 Gallons
LTE-80D
In Stock

AO Smith 100297716 LTE-120 119 Gallon Commercial Electric Tank Water Heater - 6 Year Warranty
3119.801871.88
119 Gallons
100297716
In Stock
Qty:
Laars TLMT2V

Gas, Water

Cast Iron Heat Exchanger

85% Efficiency

With Pump
Retail : $13,269.00 $9,951.75

You Save (25%)
Laars MT2V-200 Mighty Therm2 Residential/Commercial 199,900 BTU Natural Gas/Liquid Propane Water Heater
11247.008435.25
199 MBtu
MT2V-200

Laars MT2V-300 Mighty Therm2 300 Input MBtu - 85% AFUE Commercial Natural Gas Water Heater - With Pump
12391.009293.25
300 MBtu
MT2V-300

Laars MT2V-400 Mighty Therm2 400 Input MBtu - 85% AFUE Commercial Natural Gas Water Heater - With Pump
13269.009951.75
400 MBtu
MT2V-400
In Stock
Qty:
Laars Mighty Therm2 Series Water Heaters

Gas, Water

Cast Iron Heat Exchanger

Commercial Water Heater

85% Efficiency

With Pump
Retail : $31,103.00 $23,327.25

You Save (25%)
Laars MT2V-500 Mighty Therm2 500 Input MBtu - 85% AFUE Commercial Natural Gas Water Heater - With Pump
20360.0015270.00
500 MBtu
MT2V-500

Laars MT2V-750 Mighty Therm2 750 Input MBtu - 85% AFUE Commercial Natural Gas Water Heater - With Pump
22559.0016919.25
750 MBtu
MT2V-750
In Stock

Laars MT2V-1250 Mighty Therm2 1250 Input MBtu - 85% AFUE Commercial Natural Gas Water Heater - With Pump
31103.0023327.25
1250 MBtu
MT2V-1250
In Stock
Qty:
AO Smith ATO P - Tankless Water Heaters (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $2,808.00 $1,628.64

You Save (42%)
AO Smith ATO-540P-N Tankless Natural Gas Water Heater, 199,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
2808.002246.40
199 MBtu
ATO-540P-N
In Stock
Qty:
AO Smith ATI P - Tankless Water Heater (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $2,808.00 $2,246.40

You Save (20%)
AO Smith ATI-540P-N Tankless Natural Gas Water Heater, 199,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
2808.002246.40
199 MBtu
ATI-540P-N
In Stock
Qty:
AO Smith ATO U - Tankless Water Heaters (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $1,262.00 $1,009.60

You Save (20%)
AO Smith ATO-110U Tankless Natural Gas Water Heater, 140,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
1262.001009.60
140 MBtu
ATO-110U
In Stock

AO Smith ATO-310U-N Tankless Natural Gas Water Heater, 190,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
1752.001401.60
190 MBtu
ATO-310U-N
In Stock

AO Smith ATO-510U Tankless Natural Gas Water Heater, 199,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
2156.001724.80
199 MBtu
ATO-510U
Qty:
AO Smith ATI U - Tankless Water Heaters (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $1,752.00 $1,401.60

You Save (20%)
AO Smith ATI-310U-N Tankless Natural Gas Water Heater, 190,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
1752.001401.60
190 MBtu
ATI-310U-N
In Stock
Qty:
AO Smith ATI H - Tankless Water Heaters (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $1,912.00 $1,529.60

You Save (20%)
AO Smith ATI-240H-N Tankless Natural Gas Water Heater, 160,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
1912.001529.60
160 MBtu
ATI-240H-N
In Stock

AO Smith ATI-340H-N Tankless Natural Gas Water Heater, 180000 BTU, Power Direct Vent, 15 Yr Heat Exc / 5 Pts Warranty
2136.001708.80
180 MBtu
ATI-340H-N
In Stock

AO Smith ATI-540H-N Tankless Natural Gas Water Heater, 199000 BTU, Power Direct Vent, 15 Yr Heat Exc / 5 Pts Warranty
2374.001899.20
199 MBtu
ATI-540H-N
In Stock
Qty:
AO Smith ATI H - Tankless Water Heater (NG)

Gas, Water

Stainless Steel Heat Exchanger

Power Direct Vent
Retail : $1,580.00 $1,264.00

You Save (20%)
AO Smith ATI-140H-N Tankless Natural Gas Water Heater, 140,000 BTU, Power Direct Vent, 15 Yr Heat Exchanger/5 Parts Warranty
1580.001264.00
140 MBtu
ATI-140H-N
In Stock
Qty:
EVIB

Water

Stainless Steel Heat Exchanger
Retail : $3,144.00 $2,546.64

You Save (19%)
Viessmann 7720348 Vitocell 300-V EVIB 42 Gallon Stainless Steel Lifetime Warranty Indirect Water Heater in White
2046.002046.00
42 Gallons
EVIB-42

Viessmann 7720343 Vitocell 300-V EVIB 53 Gallon Stainless Steel Lifetime Warranty Indirect Water Heater in White
2978.002978.00
53 Gallons
EVIB-53

Viessmann 7720338 Vitocell 300-V EVIB 79 Gallon Stainless Steel Lifetime Warranty Indirect Water Heater in White
3942.003942.00
79 Gallons
EVIB-79
In Stock

Viessmann ZK04122 Vitocell 300-V EVIB 119 Gallon Stainless Steel Lifetime Warranty Indirect Water Heater in Silver
4643.004643.00
119 Gallons
ZK04122
Qty:
Lochinvar Compact - ASME Constructions Water Heaters

Electric

Commercial Water Heater

3 Year Warranty
Retail : $6,424.43 $4,432.86

You Save (31%)
Lochinvar CHT06-020A Compact ASME 20 Gallon Commercial Electric Water Heater - 3 Year warranty
6424.434432.86
20 Gallons
CHT06-020A
In Stock
Qty:
Lochinvar ERN EnergyRite

Natural Gas
Retail : $4,118.00 $3,239.22

You Save (21%)
Lochinvar ERN152 EnergyRite 150 Input MBtu Residential/Commercial Natural Gas Pool and Spa Heater - 3 Year Warranty
4118.003239.22
150 MBtu
ERN152
In Stock

Lochinvar ERN252 EnergyRite 250 Input MBtu Residential/Commercial Natural Gas Pool and Spa Heater - 3 Year Warranty
4752.003737.92
250 MBtu
E-RITE-5

Lochinvar ERN302 EnergyRite 300 Input MBtu Residential/Commercial Natural Gas Pool and Spa Heater
4977.003695.00
300 MBtu
E-RITE-5
In Stock

Lochinvar ERN402 EnergyRite 399 Input MBtu Residential/Commercial Natural Gas Pool and Spa Heater - 3 Year Warranty
5587.004394.73
399 MBtu
E-RITE-5
In Stock
Qty:
Lochinvar CWN Copper-Fin

Natural Gas

Commercial Water Heaters

81% Efficiency
Retail : $32,684.00 $21,875.40

You Save (33%)
Lochinvar CWN0647PM Copper-Fin 645 Input MBtu Commercial Natural Gas Water Heater - outdoor Vent - 5 Year Warranty
15092.0010101.08
645 MBtu
CWN-0647PM
In Stock

Lochinvar CWN0987PM Copper-Fin 985 Input MBtu Commercial Natural Gas Water Heater - 5 Year Warranty
18698.0012514.57
985 MBtu
CWN-0987PM
In Stock

Lochinvar CWN1257PM Copper-Fin Commercial 1255 Input MBtu Natural Gas Pump Mount Water Heater -5 Year Warranty
21187.0014180.46
1255 MBtu
CWN1257PM
In Stock

Lochinvar CWN1437PM Copper-Fin 1435 Input MBtu Commercial Natural Gas Water Heater - 5 Year Warranty
24675.0016514.98
1435 MBtu
CWN1437PM

Lochinvar CWN1797PM Copper-Fin 1795 Input MBtu Commercial Natural Gas Water Heater - 5 Year Warranty
26753.0017905.78
1795 MBtu
CWN1797PM
In Stock

Lochinvar CWN2067PM Copper-Fin 2065 Input MBtu Commercial Natural Gas Water Heater - 5 Year Warranty
32684.0021875.40
2065 MBtu
CWN2067PM
In Stock
Qty:
Hudson GSN - Low NOx Water Heaters

Natural Gas

Residential Water Heater

84 Gallons

6 Year Warranty
Retail : $989.87 $712.71

You Save (28%)
Hudson GSN40T-1-3-6 40 Gallon Natural Gas Water Heater - 6 Year Warranty
876.18630.85
40 Gallons
69 Gallons
GSN40T-1-3-6
In Stock

Hudson GSN50T-1-3-6 50 Gallon Natural Gas Water Heater - 6 Year Warranty
989.87712.71
50 Gallons
84 Gallons
GSN50T-1-3-6
In Stock
Qty:
Hudson GSN - 6 Year - Tall - Low NOx

Natural Gas

Residential Water Heater

69 Gallons

6 Year Warranty
Retail : $876.18 $630.85

You Save (28%)
Hudson GSN40T-1-3-6 40 Gallon Natural Gas Water Heater - 6 Year Warranty
876.18630.85
40 Gallons
69 Gallons
GSN40T-1-3-6
In Stock

Hudson GSN50T-1-3-6 50 Gallon Natural Gas Water Heater - 6 Year Warranty
989.87712.71
50 Gallons
84 Gallons
GSN50T-1-3-6
In Stock
Qty:
Hudson GSN - 12 Year - Tall - Low NOx

Natural Gas

Residential Water Heater

69 Gallons

12 Year Warranty
Retail : $1,014.82 $730.67

You Save (28%)
Hudson GSN40T-1-3-12 40 Gallon Natural Gas Water Heater - 12 Year Warranty
1014.82730.67
40 Gallons
69 Gallons
GSN40T-1-3-12
In Stock

Hudson GSN50T-1-3-12 50 Gallon Natural Gas Water Heater - 12 Year Warranty
1128.50812.52
50 Gallons
84 Gallons
GSN50T-1-3-12
Qty:
IBC Tankless Water Heaters STC Series

Gas, Water

Painted Steel Heat Exchanger

Direct Vent

95% Efficiency
Retail : $2,152.00 $1,365.44

You Save (37%)
IBC Technologies SFT199 Tankless Water Heater 199 Input MBH, 95% AFUE, Direct Vent, Natural Gas
2152.001365.44
199 MBtu
SFT-199
In Stock
Qty:
Utica H2O High Outlet

Residential Indirect Water Heaters
Retail : $3,199.00 $2,355.74

You Save (26%)
Utica H2OI115UB H2O Series 115 Gallons Single Coil Stainless Steel Indirect Water Heater
5265.003877.15
115 Gallons
H2OI115UB

Utica H2OI60UB H2O Series 60 Gallons Single Coil Stainless Steel Indirect Water Heater
3199.002355.74
60 Gallons
H2O-I60UB
In Stock
Qty:
AO Smith ProLine - Lowboy - Side Connect

Electric

Residential Water Heater

47 Gallons
Retail : $1,754.00 $1,107.12

You Save (37%)
AO Smith ENJB-30 Proline 28 Gallon Lowboy Residential Electric Water Heater - 6 Year Warranty
1754.001107.12
28 Gallons
47 Gallons
ENJB-30
In Stock

AO Smith 100052240 ENJB-40 Proline 40 Gallon Lowboy Residential Electric Water Heater - 6 Year Warranty
1814.001145.00
38 Gallons
57 Gallons
100052240
In Stock
Qty:
Rheem RTG Series Tankless Water Heaters (LP)

Liquid Propane
Retail : $1,315.74 $804.00

You Save (39%)
Rheem RTG-70XLP-1 Residential Liquid Propane Outdoor Tankless Water Heater
1315.74804.00
150 MBtu
RTG-70XLP-1
In Stock
Qty:

Shopping Options

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