by Peter | Last Updated: December 27, 2020If you are considering to buy the best inline hot water heater electric, you should go through this product guide.
In Hurry? Checkout Our Top Pick Of Best Inline Hot Water Heater Electric.
Our Top Pick
9.7/10 our score
Best Inline Hot Water Heater Electric
| Rank | Product Name | Score |
|---|---|---|
1  | 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers | 9. 7 |
2  | EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology | 9. 5 |
3  | Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt | 9. 1 |
4  | Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White | 8. 8 |
5  | Rinnai V65EP Tankless Water Heater, Large, V65eP-Propane/6.5 GPM | 8. 6 |
6  | Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White | 8. 2 |
7  | Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted | 8. 0 |
8  | Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted | 7 .7 |
9  | Camplux ME25 Mini Tank Electric Water Heater 2.5-Gallon with Cord Plug,1.5kW at 120 Volts | 7. 4 |
10  | 110V-120V Electric Mini-Tank Hot Water Heater Storage,1.5KW Kitchen Household Compact Size Point-of-Use, Hot Water Output of 2.5 Gallon, 2 PCs 16” Long 1/2”FIP Stainless Steel Water Hoses,GFCI Plug | 7. 2 |
1. 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers
1
9.7/10 our score
Features
- HELPS PROTECT HOT WATER HEATERS: Polyphosphates, included in this product, help to inhibit scale build up in hot water heaters (both standard (gas or electric) and tank less styles) and boilers, Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads
- MAINTAINS EFFICIENCY: By inhibiting scale build up on heat elements, helps maintain water heater efficiency
- EASY TO REPLACE: Easy change out of the 3M Aqua-Pure AP431 Replacement Water Cartridge makes system maintenance easy
- HIGH FLOW RATES: 3/4 Inch NPT inlet/outlet connections for easy installation and high flow rates (rated for up to 10 GPM), System to be installed on cold water line feeding the water heater
- CORROSION RESISTANCE: 304 stainless steel head can be installed on existing copper pipes in the home, It consists of a corrosion resistant material that provides long service life
- NSF STANDARD 42 CERTIFIED: Tested by NSF International to NSF/ANSI Std, 42 for material and structural requirements only
- PRODUCT SPECIFICATIONS: System has a pressure range of 25 to 125 PSI (862 kPa) and operating temperature of 40 to 100F (4.4 to 37.8C)
- IDEAL FOR any size home
2. EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
2
9.5/10 our score
Features
- Lifetime warranty
- Save up to 60-percent on your water heating cost with an ECOSMART electric tankless water heater
- Never run out of hot water with an ECOSMART tankless water heater
- Patented Self Modulating Technology and design
- ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98
3. Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt
3
9.1/10 our score
Features
- Can provide hot water for one sink at 0.5 GPM in warmer climates
- Requires 1 x 30 amp breaker and 10 AWG wire
- For one sink at 0.5 GPM in colder climates the POU 6 is recommended
- Amperage Draw 29 amp. kW - 3.5 kW
- Connection Fittings 1/2" NPT
4. Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology,White
4
8.8/10 our score
Features
- The product is highly durable
- The product is easy to use
- Manufactured in China
- Copper and stainless components
- Lifetime warranty for residential use
- Save up to 60% on your water heating costs with the most advanced, self modulating technology available
- Never run out of hot water with an ECOSMART tankless water heater.
- Save up to 12 cubic feet of storage space.
- Digital temperature control in 1-degree increments gives users complete control of hot water
- 75 A
5. Rinnai V65EP Tankless Water Heater, Large, V65eP-Propane/6.5 GPM
5
8.6/10 our score
Features
- Endless hot water for your entire home
- V65eP HE High Efficiency Tankless Hot Water Heater - Propane: Outdoor Installation Only
- Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
- Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
- Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)
- 10,300 BTU (Minimum) / 150,000 BTU (Maximum)
6. Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White
6
8.2/10 our score
Features
- Provide endless hot water on demand and only as needed
- Save up to 60% on electricity bills for water heating
- Compact design saves space and is easy to install almost anywhere
- No electrical connection is required so it's perfect alternative for those homes experiencing frequent power outages
- Unlimited hot water whenever is needed
- 5-year
- Allows water temperature to be controlled
- Rustproof, no water loss due to leaks
- Works easily with low levels of water pressure
7. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
7
8/10 our score
Features
- CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
- INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
- FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
- EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included), simply tap into the cold water line and install the water heater directly at the sink to provide hot water
8. Bosch Electric Mini-Tank Water Heater Tronic 3000 T 4-Gallon (ES4) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted
8
7.7/10 our score
Features
- CONVENIENT HOT WATER HEATER: 4 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 13.5 D Inches
- LONG LASTING QUALITY: This electric water heater is easy to maintain and has premium glass-lined material for a long service life. (Amps 12A, Volts (VAC) 120)
- INDEPENDENT INSTALLATION: 36-37" cord plugs into a 120 volt outlet for independent installation or in-line with a large hot water source
- FAST RECOVERY RATE: Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time)
- EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included), simply tap into the cold water line and install the water heater directly at the sink to provide hot water
9. Camplux ME25 Mini Tank Electric Water Heater 2.5-Gallon with Cord Plug,1.5kW at 120 Volts
9
7.4/10 our score
Features
- 2.5-gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it
- Electric water heater is easy to maintain and has glass-lined tank for long service life
- Thermostat Control allows adjustment of water temperature.High Limit device provide protection while overheating.
- 43.3‘’ cord plugs into 120 volt outlet for independent installation or in-line with a large hot water source.(Max. water pressure is 150 PSI,CSA listed Temperature & Pressure relief valve included)
- Can be shelf, wall or floor mounted , Simply tap into the cold water line and install the water heater directly at the sink to provide hot water. Product dimension:11.75" W x 17.25" H x 10.38" D.
10. 110V-120V Electric Mini-Tank Hot Water Heater Storage,1.5KW Kitchen Household Compact Size Point-of-Use, Hot Water Output of 2.5 Gallon, 2 PCs 16” Long 1/2”FIP Stainless Steel Water Hoses,GFCI Plug
10
7.2/10 our score
Features
- SAFE DURABLE & LONGEVITY:Made of stainless steel and never rust，Anti-leakage plug，Multiple safety protection functions protect you from the risk of scald, leakage or other injury.Premium plastic shell is corrosion resistant，This mini hot water heater is ideal for kitchen, bar, school, hospital, community and RV.
- SMART INVERTER FOR ENERGY SAVING:Automatic heat preservation and storage of hot water, 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%，Maximum temperature167℉，The built-in smart chip heats up to the temperature you set, and automatically Insulation when heated to the specified temperature.
- EASY TO USE:storage tank electric water heater with easy-to-operate knob temperature adjustment design，Easy to control warmth.Vent valve, Tee pipeline， pipes and other accessories are complete for quick installation without additional expenses or preparing time of accessories.
- FAST RECOVERY RATE:Eliminates long waits for hot water at your sink, get on demand hot water at your every need (supplies up to 2 sinks at a time，8-15 minutes to heat to your desired temperature).
- COMPACT DESIGN:Can be shelf, wall or floor mounted (Water inlet and outlet upward), Dimensions: 13.0''L x11.4''W x10.6''H, 9.5lbs, 1/2″NPT NPT. 1.5 kW, 110-220 volts. One-year warranty and 24H customer service support, feel free to contact us.