Shop All Savings
Appliances
Bath & Faucets
Blinds & Window Treatment
Building Materials
Lumber & Composites
Cleaning
Decor & Furniture
Lighting & Ceiling Fans
Doors & Windows
Electrical
Flooring & Area Rugs
Hardware
Heating & Cooling
Kitchen & Kitchenware
Lawn & Garden
Outdoor Living & Patio
Paint
Plumbing
Seasonal Decor
Smart Home
Storage & Organization
Tools
Automotive
Furniture
Gift Cards
Credit Cards
View All Home Services
Tool Rental
Benefits & Services For the Pro
Project Calculators
View All DIY Projects
Local Ad
Store Finder
Site Map
#1 Home Improvement Retailer
Select store
...
...
Cart
Select store
...
...
Shop All
Services
DIY
Log In
Cart
Home
/
Plumbing
/
Water Heaters
Water Heaters
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Filters
Filters
Clear All
Review Rating: 2 & Up
Product Width (in.): 15.5 in
Product Width (in.): 5 in
Product Width (in.): 9 in
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Availability
Show Out of Stock
Department
Plumbing
Water Heaters
Water Heater Parts
Tankless Water Heaters
Under Sink Water Heaters
Brand
Rheem
Rinnai
TITAN
Eccotemp
American Water Heater
Amtrol
EASTMAN
Intermatic
Rheem PROTECH
Price
to
Apply
$0 - $10
$20 - $30
$30 - $40
$40 - $50
$50 - $100
$100 - $150
$200 - $250
$250 - $300
$300 - $400
$400 - $500
$500 - $600
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Nominal Tank Capacity (gallons)
4 gal
Water Heater Profile
Compact
Part Warranty
1 Year
2 Year
5 Year
Required Volt Connection
120 volt
208 volt
220 volt
240 volt
Wattage (watts)
2400 W
3000 W
3200 W
3500 W
4100 W
4200 W
4500 W
5500 W
6500 W
7500 W
18000 W
21000 W
27000 W
Application Type
Commercial
Residential
Point of Use
Water Heater Features
Wall Mounted
Digital Display
Freeze Protection
Gas Type
Natural Gas
Propane
Water Heater Type
Electric
Gas
Available in California
Available in California
Indoor/Outdoor
Indoor
Product Width (in.)
0 in
0.1 in
0.63 in
0.75 in
1 in
1.06 in
1.19 in
1.25 in
1.26 in
1.27 in
1.29 in
1.5 in
1.75 in
2 in
2.25 in
2.5 in
2.85 in
3 in
3.54 in
3.94 in
3.95 in
4 in
4.5 in
4.7 in
4.75 in
5 in
5.63 in
5.9 in
6 in
6.69 in
7 in
7.5 in
8 in
8.25 in
8.3 in
8.5 in
8.75 in
9 in
9.25 in
9.625 in
9.75 in
10 in
10.2 in
11 in
11.4 in
11.5 in
11.75 in
11.96 in
12 in
12.5 in
12.8 in
13 in
13.5 in
13.75 in
14 in
14.05 in
14.25 in
14.5 in
15.75 in
16.5 in
16.625 in
17 in
17.1 in
17.3 in
17.75 in
18 in
18.25 in
18.5 in
19 in
19.5 in
19.625 in
19.75 in
20 in
20.25 in
20.5 in
21 in
21.5 in
21.75 in
22 in
22.25 in
22.5 in
23 in
23.25 in
23.5 in
23.75 in
24 in
24.25 in
26 in
26.25 in
26.375 in
27 in
27.25 in
28 in
28.25 in
30 in
30.25 in
32 in
34 in
36 in
48 in
Let Us Do It For You
Installation
View Results
All Filters
Category
Nominal Tank Capacity (gallons)
Water Heater Profile
Part Warranty
Required Volt Connection
Review Rating: 2 & Up
Product Width (in.): 15.5 in
Product Width (in.): 5 in
Product Width (in.): 9 in
Clear All
30 Results
Sort by:
Top Sellers
Top Sellers
Most Popular
Price Low to High
Price High to Low
Top Rated Products
$
64
.
99
(143)
Rheem
36 in. Vent Length 3 in. x 5 in. Stainless Steel Concentric Venting for Indoor Tankless Gas Water Heaters
Add to Cart
$
405
.
00
/box
Buy
3
or more
$364.50
(46)
SCR-4 18 kW 5.0 GPM Residential Electric Tankless Water Heater
Add to Cart
See Low Price in Cart
(4)
Eccotemp
Builder Grade 6.0 GPM Indoor Liquid Propane Gas Tankless Water Heater
Add to Cart
$
84
.
45
(27)
Rheem
Adjustable Vent Length 3 x 5 in. Stainless Steel Concentric Vent for Indoor Tankless Gas Water Heaters
Add to Cart
$
86
.
99
(19)
Rheem
3 in. x 5 in. 90-Degree Elbow Stainless Steel Concentric Venting for Mid Efficiency Tankless Gas Water Heaters
Add to Cart
$
441
.
00
/box
Buy
3
or more
$396.90
(107)
TITAN
SCR-4 21 kW 5.0 GPM Residential Electric Tankless Water Heater
Add to Cart
$
107
.
00
(22)
Rheem
3 in. x 5 in. Stainless Steel Concentric Venting 45-Degree Elbow for Indoor Tankless Gas Water Heater Installations
Add to Cart
$
398
.
68
(445)
Undersink Instant Hot Water Circulating System
Add to Cart
$
537
.
97
/box
Buy
3
or more
$484.17
(107)
TITAN
SCR-4 27 kW 5.0 GPM Residential Electric Tankless Water Heater
Add to Cart
$
48
.
49
(143)
Rheem
12 in. Vent Length 3 x 5 in. Stainless Steel Concentric Vent for Indoor Tankless Gas Water Heaters
Add to Cart
$
49
.
99
(143)
Rheem
24 in. Vent Length 3 in. x 5 in. Stainless Steel Concentric Venting for Indoor Tankless Gas Water Heaters
Add to Cart
$
99
.
05
(181)
Intermatic
30 Amp 240-Volt DPST Electronic Water Heater Time Switch
Add to Cart