Best Whole House Tankless Water Heater - April 2024

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers

The 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS is designed to help reduce scale build-up and corrosion - thereby helping to extend the life on hot water-using appliances such as water heaters (standard (gas or electric) and tank-less), boilers, clothes washers and dishwashing machines, and on plumbing fixtures like faucets, pipes, and shower heads. The AP430SS provides flow of up to 10 GPM with ¾” NPT inlet/outlet connections. Scale is calcium and magnesium deposits that often form when hard water is heated. Water hardness is responsible for most scale formation i... [Read More]

• ASIN: B000NKETXQ
• UPC: 806294983278
• ASIN: B000NKETXQ
• Brand: 3M Aqua-Pure
• Size: medium
• Manufacturer: Aqua-Pure

Rheem 240V 3 Heating Chambers RTEX-24 Residential Tankless Water Heater

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

• ASIN: B01MS9DVEE
• UPC: 020352685397
• ASIN: B01MS9DVEE
• Brand: Rheem
• Manufacturer: Rheem

Ecosmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology

This Smart Technology electric tankless water heater is configured as a "whole home" model for climates where incoming water temperature is 62°F and above. The ECO 18 is capable of heating over 2.5 gallons per minute, which is the equivalent of one water saver shower head (with a 1.5 gpm flow) and one sink with a low inlet water temperature of 62°F, and an output setting of 105° F. Two showers emitting no more than 1.5 gpm each can be run simultaneously when incoming water temperature is above 70° F. Digital temperature control allows you to set your temperature in increments of 1°. All t... [Read More]

• ASIN: B0047V0KSU
• UPC: 854920002053
• ASIN: B0047V0KSU
• Brand: Ecosmart
• Size: 17 x 14 x 3.5
• Manufacturer: Ecosmart

Titan SCR2 N-120 Electric Tankless Water Heater 220 Volts

The Titan N-120 is the most popular model for average size homes. This space saving water heater will provide "endless" hot water for your entire home, apartment and other locations. As the Titan only heats the water when it is needed your energy savings on hot water can be up to 60%! In many cases your energy savings in the first year will pay for your investment in a state of the art Titan Tankless Water Heater. The Titan N-120 will replace an entire conventional tank heater with no disruption to your comfort. Let's not forget the endless hot water you will experience. You won't have to worr... [Read More]

• ASIN: B00ND9VITM
• UPC: 723654789625
• ASIN: B00ND9VITM
• Brand: Titan
• Manufacturer: Niagara Industries, Inc

Rinnai V Series HE Tankless Hot Water Heater: Indoor Installation

Features ENERGY STAR Qualified Energy Factor of .82 for Natural Gas and Propane Certified for Installation in Manufactured (Mobile) Homes Leak detection shuts off water to unit to limit property damage Enhanced scale detection lessens possibility of serious, long-term damage to unit Temperature lock prevents accidental or unauthorized changes to water temperature Complies with South Coast Air Quality Management District 14 ng/J or 20 ppm NOx emission levels Rinnai Value Series Tankless Water Heater Product Warranty Dimensions Width: 14 Inches Height: 23 Inches Depth: 9 Inches Weight 45.6 Pound... [Read More]

• ASIN: B0084CPEDO
• UPC: 766156007095
• ASIN: B0084CPEDO
• Brand: Rinnai
• Size: Large
• Manufacturer: Rinnai

Marey ECO150 220V/240V-14.6kW Tankless Water Heater with Smart Technology, Small, White

The Marey ECO150 14. 6Kw unit is ideal for up to two simultaneous points of use increasing incoming water temperature up to 41°f at a 2. 5Gpm water flow rate. The Marey eco series tankless water heaters are the only ones in the market to include a German-designed, patented heating element with a stainless steel water channel. This high quality component is corrosion resistant and reduces hard water build up from chlorine and calcium.

• ASIN: B073ZJFHJK
• UPC: 764177000439
• ASIN: B073ZJFHJK
• Brand: MAREY
• Size: Small
• Manufacturer: Marey

Hyperikon Tankless Water Heater Electric 27kw, 180-250V Compatible, 106.7 Amps, 0-87 PSI, ETL Listed, NFS Approved with Integrated Temperature Sensor, Residential, Indoor

Introducing Hyperikon's Tankless Water Heater. The minimum water flow to activate the heater is 0.53 GPM It requires a connection of Three 50A Circuit Breaker. The water pressure range is 0-87 PSI Save space, conserve energy and enjoy a limitless supply of instant hot water adjusted to your perfect temperature, with the help of the state-of-the-art Hyperikon Tankless Water Heater. This tankless water heater is safe and certified, being both ETL Listed and NFS Approved. It features an integrated temperature sensor and and is completely leakage and overheat protected, withstanding ... [Read More]

• ASIN: B07H5TYSXG
• ASIN: B07H5TYSXG
• Brand: Hyperikon
• Size: 27kW
• Manufacturer: Hyperikon, Inc.

Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY

Professional classic® tankless electric water heaters offer continuous hot water quick and on demand for single point-of-use or multiple applications

• ASIN: B01MR7Z39V
• UPC: 020352685335
• ASIN: B01MR7Z39V
• Brand: Rheem
• Size: Small
• Manufacturer: Rheem

Stiebel Eltron 224199 240V, 1 Phase, 50/60 Hz, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater, Advanced Flow Control

Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater, 208/240 Volts The Tempra Plus is the most technologically advanced tankless water heater available on the market today. The Tempra series has been redesigned completely inside and out - upgraded heavy-duty electronics, a simple single flow sensor design, a hinged cover for easy access, and Advanced Flow Control for the Tempra Plus. Welcome to the next generation of German quality. The Stiebel Eltron Tempra 24 Plus Electric Tankless Water Heater is designed to replace a conventional tank with no inconvenience to the users hot water n... [Read More]

• ASIN: B003N3NRY2
• UPC: 094922100672
• ASIN: B003N3NRY2
• Brand: Stiebel Eltron
• Manufacturer: Stiebel Eltron

VEVOR Propane Hot Water Heater 16L Tankless Propane Water heater 4.3GPM Stainless Steel Liquefied Petroleum Gas Water Heater with Shower Head Kit Wall-Mounted Water Heater

Please Note: 1、When install the water heater please do not over tighten the connectors and pipes to prevent it from bursting and leaking. 2、The exhaust and top will get hot, please check around area for flammables, especially gasoline or other vapors which may ignite. Please make sure there are no foreign objects around the portable tankless water heater or have fallen into the top. 3、A gas leak detection is needed before use and please do not use flame for leak detection. Soapy solution, gas detectors, etc. are recommended to detect leaks. 4、Please use only liquid propane as fuel and ... [Read More]

• ASIN: B07CPTTH33
• UPC: 719034880631
• ASIN: B07CPTTH33
• Brand: VEVOR
• Size: 16L
• Manufacturer: VEVOR

Marey ECO110 220V Self-Modulating 11 kW, Small, White

The ECO line by Marey is designed using SMART Technology. It is the only one in the market that does not accumulate sediments, as the water never touches the heating element! The 220V ECO110 by Marey provides 11kW of power, being the perfect solution for 2 points of use in Southern areas (a shower and a sink). This unit provides 28°F increase at 3. 0 GPM, allowing you to have a shower and a sink running simultaneously in hot climates. The 220V ECO110 reaches 56 °F at 1. 5GPM for hot water output at one point of use at time. In colder regions, the 220V ECO110 is suitable to provide hot water ... [Read More]

• ASIN: B008C3X0O0
• UPC: 764177000132
• ASIN: B008C3X0O0
• Brand: MAREY
• Size: Small
• Manufacturer: Marey

Sio Green SIO18 v2 Infrared Electric Tankless Water Heater - Instant Hot Water Heater - Corrosion Free - Free Maintenance - 220v - 240v / 80A / 18kW

Did You Know That A Tank Less Electric Water Heater Could Save You Thousands Of Dollars In The Long Run? Looking for a cost-effective, practical and heavy-duty hot water heater for your home? Want to cut down on maintenance costs and enjoy hot water anytime you need it? Why settle for cheaply-made tank-less water heaters, when you can have the smartest and most innovative tankless electric heater? Introducing The Sio Green Sio18 80A/18kW Whole House Infrared Electric Tankless Water Heater! If you are building a new home or renovating your house, then you need to consider a budget-friendly alte... [Read More]

• ASIN: B07RB46H4D
• UPC: 725357735589
• ASIN: B07RB46H4D
• Brand: Sio Green
• Size: 5) SIO18 v2 (18kW/80A/240v)
• Manufacturer: Sio Green

Eccotemp i12-NG Tankless Water Heater

The Eccotemp i12-NG has a new revolutionary design, making it unlike any other tankless water heater on the market today. This model features a sleek black glass casing, fully automatic temperature controls for precision, touch screen, and LCD temperature display which shows output temperature as well as GPM flow. Rated at an impressive 3 GPM, the Eccotemp i12-NG Tankless Water Heater is a natural gas fired, indoor model designed for small to medium hot water production where you need more than one hot water application at the same time. The Eccotemp i12-NG is perfect for vacation cabins, cott... [Read More]

• ASIN: B0157EJTQY
• UPC: 891876002621
• ASIN: B0157EJTQY
• Brand: Eccotemp
• Size: 16 x 16 x 11 inches
• Manufacturer: Standard Plumbing Supply

Eemax EEM24027 Electric Tankless Water Heater, Blue

Eemax electric tank less water heaters provide endless hot water where you need it and when you need it. This product can be used for any of your residential or commercial water heating needs. The EEM24027 is a 240 volt, 27 kilowatt unit. It can produce enough hot water for up to 1 shower and 2 sinks simultaneously in colder climates. In warmer climates it can produce enough hot water for up to 4 Showers or sinks simultaneously.

• ASIN: B01AMGHVDU
• UPC: 091654920424
• ASIN: B01AMGHVDU
• Brand: Eemax
• Manufacturer: Eemax Inc.

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

With gas inputs of 199,000 BTU, the T-H3 can produce enough hot water for four bathrooms in warmer climates or three baths in colder climates.

• ASIN: B00DDPZ5HM
• UPC: 671657140946
• ASIN: B00DDPZ5HM
• Brand: TAKAGI
• Size: Medium
• Manufacturer: Takagi

Marey 4.3 GPM Tankless Propane Gas Hot Water Heater Digital Display GA16LPDP

Features:Hot Water Outlet (Per Minute): 16 LPM (4.2 GPM)Gas Type: Liquid Propane GasHeat Loss: 111,903 BTU/hRelated Gas Pressure: 0.4 PSIExhaust Discharge Mode: Flue Duct TypeApplicable Water Pressure: 3.6 - 145.0 PSI/0.25 - 10 barIgnition: Electric

• UPC: 40276056
• Model: GA16LPDP
• Rating: 5.0

STIEBEL ELTRON Electric Tankless Water Heater,208/240V Tempra 24 Plus

Electric tankless water heaters work by heating a flow of cold water using an electric heating element. Stiebel Eltron Electric Tankless Water Heater include characteristics like: Voltage: 208/240VAC, Phase: 1, Watts: 18,000/24,000.FeaturesStandards: ETL Listed, ANSI/UL

• UPC: 32272570
• Model: TEMPRA 24 PLUS
• Color: Multicolor
• Rating: 5.0

Takagi T-K4-IN-LP Indoor Tankless Water Heater, Propane

8.0 GPM Liquid Propane Indoor Tankless Water HeaterThe all new T-K4 models have an impressive max GPM of 8.0GPM! Cost-efficient and environmentally friendly, the T-K4-IN can be installed indoor with an optional Direct Vent kit.

• UPC: 32273381
• Model: takagi-vh006
• Color: White
• Rating: 5.0

Marey 2.0 Tankless Water Heater Natural Gas GA5L NG

Features:Hot Water Outlet per Minute: 5 LPM - 1.3 GPMGas Type: Natural gasHeat Loss: 34,614 BTU/hRelated Gas Pressure: 0.3 PSIExhaust Discharge Mode: Flue Duct TypeApplicable Water Pressure: 3.6 - 145.0 PSI/ 0.25 - 10 barIgnition:

• UPC: 40276054
• Model: GA5NG
• Color: White
• Size: S
• Rating: 4.0

EcoSmart POU3.5 120V 3.5 kW Point of Use Electric Tankless Water Heater

Save up to 60% on your water heating cost with an EcoSmart electric tankless water heaterProvides continuous hot water for ultimate convenienceDesigned with standard and reliable easy to service elements and heat exchangers that provide

• UPC: 37468892
• Model: POU 3.5
• Color: MulticolorMulti
• Size: EA

Stiebel Eltron TEMPRA 36 Electric Whole House Tankless Water Heater - 6.2 GPM @ 40�' Rise

FeaturesUnlimited Supply of Hot Water: Keeps heating water instantly as you require. The Tempra(tm) system completely replaces a conventional tank heater with no disruption to your comfort and hot water needs. Saves Energy and Reduces

• UPC: 137799981
• Model: TEMPRA 36
• Color: ElectricOther
• Rating: 4.0

Takagi T-KJR2-IN-LP Liquid Propane Compact Tankless Water Heater 6.6 GPM � Indoor

Liquid Propane Compact Tankless Water Heater 6.6 GPM – Indoor and Direct Vent The T-KJR-IN-LP is the most compact unit in the Takagi line. Designed to produce endless hot water and radiant heating for smaller

• UPC: 32268651
• Model: T-KJR2-IN-LP
• Color: Liquid PropaneOther
• Size: White

Eccotemp Systems LLC Eccotemp L7 Portable Tankless Water Heater

Features: -Includes CSA regulator for use with standard 20 lbs. grill propane tank. -On/Off chrome shower head included. -Stainless steel shower hose included. -Garden hose adapter included. -Manual water temperature control. -Can be used indoors.

• UPC: 22444771
• Model: L7
• Color: N/AOther
• Size: titanium

Noritz Tankless Water Heater Vent Rain Cap, Single Wall, 4 In. Diameter, Stainless Steel

Noritz N-Vent Is Ul Approved Category Iii Venting. N-Vent Is Approved For Tankless And Boiler Stainless Steel Exhaust Installations At A Fraction Of The Industry Standard Cost. Noritz Supplies Easy-To-Connect Venting Components Without The Need

• UPC: 22636599
• Model: RC4
• Color: SilverStainless Steel
• Size: 4\"4"

Rheem RTG-95DVLP-1 Direct Vent Low Nox Liquid Propane Tankless Water Heater for 2 - 3 Bathroom Homes

Low Nox version reduces the amount of emissions released during use for higher standards of clean operation7.4 GPM at a 45 degrees F temperature rise (up to 9.5 GPM at 35 degrees F)3 in. x

• UPC: 38122452
• Model: RTG-95DVLP-1
• Color: Multicolor

Tankless Water Heater Electric SioGreen SIO18 Best US Seller 5 GPM 220-240 Volt

• UPC: 162997639545
• Category: Tankless Water Heaters
• Price: 735 USD

Electric Tankless Water Heater Marey ECO270 6.5 GPM 240V Best US Seller

• UPC: 163632729218
• Category: Tankless Water Heaters
• Price: 441 USD

Electric Water Heater Tankless Marey ECO180 Best On Demand 5 GPM 240V

• UPC: 161642404890
• Category: Tankless Water Heaters
• Price: 374 USD

Natural Gas Water Heater Tankless Best On Demand Marey GA16NGDP 4.2 GPM

• UPC: 161626206306
• Category: Tankless Water Heaters
• Price: 323 USD

Electric Tankless Water Heater Marey ECO270 6.5 GPM 240V Best US Seller

• UPC: 193369284791
• Category: Tankless Water Heaters
• Price: 315 USD

Electric Tankless Water Heater Instant Shower 220V 3000W Household Water Heater

• UPC: 402070037721
• Category: Tankless Water Heaters
• Price: 33 USD