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
Part Warranty: 25 Year
Part Warranty: Lifetime
Get It Fast
In Stock at Store Today
Free 1-2 Day Delivery
Department
Plumbing
Water Heaters
Tankless Water Heaters
Review Rating
5
4 & Up
3 & Up
2 & Up
1 & Up
Brand
ANZZI
EcoSmart
optimal
Price
to
Apply
$100 - $150
$150 - $200
$200 - $250
$250 - $300
$300 - $400
$400 - $500
$500 - $600
Water Heater Type
Electric
Part Warranty
Lifetime
1 Year
2 Year
3 Year
5 Year
6 Year
9 Year
10 Year
12 Year
No Warranty
25 Year
Required Volt Connection
120 volt
240 volt
Application Type
Residential
Wattage (watts)
3500 W
6000 W
8000 W
11000 W
12000 W
13000 W
14600 W
18000 W
21000 W
24000 W
27000 W
36000 W
Water Heater Features
Wall Mounted
Digital Display
Overheat Protection
Freeze Protection
Leak Detection
Vacation Mode
Energy Usage Tracking
WiFi
Available in California
Available in California
Indoor/Outdoor
Indoor
Savings Center
Special Buys
Bulk Pricing
Let Us Do It For You
Installation
Product Width (in.)
2.76 in
3.54 in
3.86 in
8 in
11.4 in
14 in
17 in
21 in
View Results
All Filters
Category
Water Heater Type
Part Warranty
Required Volt Connection
Application Type
Part Warranty: 25 Year
Part Warranty: Lifetime
Clear All
18 Results
Sort by
Top Sellers
More Options Available
Expert Installation Available
$
424
.
50
Buy
3
or more
$382.05
(1826)
Model# ECO 27
EcoSmart
ECO 27 Tankless Electric Water Heater 27 kW 240 V
Add to Cart
More Options Available
Expert Installation Available
$
399
.
97
Buy
3
or more
$359.97
(1826)
Model# ECO 18
EcoSmart
18 kW 3.51 GPM 240-Volt Electric Tankless Water Heater
Add to Cart
More Options Available
Expert Installation Available
$
189
.
99
Buy
3
or more
$170.99
(1826)
Model# ECO 11
EcoSmart
13 kW 2.54 GPM 240-Volt Electric Tankless Water Heater
Add to Cart
More Options Available
Expert Installation Available
$
451
.
54
Buy
3
or more
$406.39
(1824)
Model# ECO 36
EcoSmart
36 kW 7.03 GPM 240-Volt Electric Tankless Water Heater
Add to Cart
More Options Available
Expert Installation Available
$
259
.
00
Buy
3
or more
$233.10
(1826)
Model# ECO 8
EcoSmart
8 kW 1.56 GPM 240-Volt Electric Tankless Water Heater
Add to Cart
Top Rated
More Options Available
Expert Installation Available
$
528
.
39
Buy
3
or more
$475.55
(1826)
Model# ECO 24
EcoSmart
24 kW 4.68 GPM 240-Volt Electric Tankless Water Heater
Add to Cart
Limit 5 per order
$
559
.
00
Was
$699.00
Save
$140.00
(20%)
(7)
Model# opti18+
optimal
220-Volt/240-Volt 18 Kw 3.7 GPM Wi-Fi Enabled Smart Electric Tankless Water Heater
Add to Cart
Limit 5 per order
$
399
.
00
Was
$499.00
Save
$100.00
(20%)
(3)
Model# opti12
optimal
220-Volt/240-Volt 12 Kw 2.5 GPM Smart Electric Tankless Water Heater
Add to Cart
Limit 5 per order
$
125
.
00
Was
$149.99
Save
$24.99
(17%)
Buy
3
or more
$112.50
(40)
Model# WH-AZ035-M1
ANZZI
WH-AZ035-M1 ENVO Ansen 3.5 kW 0.8 GPM Tankless Electric Water Heater
Add to Cart
Limit 5 per order
$
314
.
99
Was
$374.80
Save
$59.81
(16%)
Buy
3
or more
$283.49
(66)
Model# WH-AZ027-M3
ANZZI
WH-AZ027-M3 ENVO Atami 27 kW 4.8 GPM Electric Tankless Water Heater
Add to Cart
Limit 5 per order
$
479
.
00
Was
$599.00
Save
$120.00
(20%)
(3)
Model# opti18
optimal
220-Volt/240-Volt 18 Kw 3.7 GPM Smart Electric Tankless Water Heater
Add to Cart
Expert Installation Available
$
430
.
28
Buy
3
or more
$387.25
(15)
Model# ECO 27 FC
EcoSmart
ECO 27 Tankless Electric Water Heater 27 kW 240 V with Inline Flow Restrictor
Add to Cart