Our Top 10 Recommendations for Cheap Tankless Water Heaters
Up-to-date pricing and reviews for cheap tankless water heaters on the market
Bestseller No. 1
Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
- External adjustable digital thermostatic control with LED display (+/1 degree accuracy
- Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
- Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
- 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
- Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
Bestseller No. 2
Rheem 240V 2 Heating Chambers RTEX-18 Residential Tankless Water Heater, small, GREY
- External digital thermostatic control with LED display (+/1 degree accuracy)
- Most advanced self-modulation, adjust power to meet hot water demand
- Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
- Simple installation – bottom 3/4 inch NPT water connections
- Threaded for easy replacement, simple installation, digital temperature display
Bestseller No. 3
220~240V Tankless Water Heater Electric, ECOTOUCH Point-of-Use Hot Water Heater Digital Display 5.5kW, White
- 【INSTANT & SUFFICIENT HOT WATER】Applied with 5.5KW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor terrible temp up & down, perfect companion for sinks. Time to get rid of those "lukewarm" toys.
- 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 98% saves considerable electric charge.
- 【CONVENIENT USE】The tankless water heater comes with digital display & touch control panel so temp setting is easy job. Now turn on the tap and let the smart unit do the rest, you needn’t go through hard lesson about temp setting by a mixer tap without any hint. The Black model comes with Remote control, useful for installation under sink.
- 【SAFE and DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safe. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【POINT of USE】The sleek tankless water heater is compact as an oatmeal box, making it possible to install anywhere close to outlet and avoid energy waste. It can be mounted horizontally, vertically, obliquely, ideal for kitchen, bar, school, hospital, community and hair salon. Please verify it is the right size for you: [email protected]; dimensions 11" x 7.5" x 2.35"; pipes fittings :1/2" NPT.
SaleBestseller No. 4
Tankless Water Heater Electric ECOTOUCH 9KW 240V on Demand Water Heater Self-Modulating Instant Hot Water Heater Point Of Use Water Heater ECO90 Black
- 【INSTANT & SUFFICIENT HOT WATER】Applied with 9kW heating system, the electric tankless water heater ECO90B supplies instant & endless hot water of 116℉or higher temp, no waiting for preheat nor temperature fluctuations, perfect companion for sinks, bringing you perfect experience of comfort and relaxing.
- 【SMART SELF MODULATION】The on demand electric water heater ECO90B adjusts power input based on flow rate and temp setting in real time. As water flow reduces, power input decreases, thus you still get ideal, comfortable temp instead of scalding hot water. Optimal energy efficiency 99.8% saves considerable electricity charge per year.
- 【UPGRADED HEATING SYSTEM】Featuring micro-computer control and patent heating technology, ECO90B electric water heater promises no “cold water sandwiching”. And unique heating element avoids any corrosion inside pipes so as to extend service lifespan.
- 【SAFE AND DURABLE】Applied with multiple protection devices, every piece ECO90B tankless water heater goes through strict tests to ensure 100% safety. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【CONVENIENT USE】The ECO90B electric tankless water heater comes with digital display & touch control panel so temp setting is an easy job. It's space saving, measuring: 15.4″(H) x 10.3″(W) x 2″(D). Plus it has a stylish, modern design that blends in any decor. Please verify it is the right size for you: [email protected]; pipes fittings: 1/2" NPT.
Bestseller No. 5
Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation, 7.2 kW - US7
- Country of Origin:United Kingdom
- Package length:18.0"
- Package width:18.0"
- Package height:21.0"
- 30 A
SaleBestseller No. 6
Bosch Electric Tankless Water Heater - Eliminate Time for Hot Water - Easy Installation, 3.4 kW - US3
- CONVENIENT TANKLESS HOT WATER HEATER: 3. 4 kW output tankless electric water heater eliminates long waits for hot water at point-of-use
- EASY INSTALLATION: Easily install under any bathroom or kitchen sink and get on demand hot water at your every need
- SPACE SAVING: Mounts on wall vertically or horizontally and is space saving, ultra-compact, and lightweight
- GREAT EFFICIENCY: 98% efficient with minimal stand-by loss. Water pressure range of 10-150 PSI
- 30 A
Bestseller No. 7
Girard 2GWHAM On-Demand Tankless Water Heater
- Regulates the burner to maintain the set hot water temperature
- 42,000 BTUs which provides the optimum performance for an RV's plumbing
- No special LP gas lines or special plumbing required
- Quiet brush-less motor
- 12 V power that operates at less than 3 A; Freeze protection - designed for winter use
SaleBestseller No. 8
EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology,White
- Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPT
- Digital temperature control in 1-degree increments allows control of hot water; Activation Flow: 0.3 GPM
- Copper and stainless components designed for efficiency, durability and easy replacement.
- Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
- Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.Amperage Draw:113 A
Bestseller No. 9
Thermoflow 208~240V Mini Tankless Water Heater Electric, Elex3.5 Point of Use On Demand Instant Hot Water Heater for Sinks Wall Mounted, 3.5kW at 240 Volts
- ➤ [UPGRADED] Mini TANKLESS - Save up to 60% on your water heating cost with an Thermoflow electric tankless water heater. Avoid distribution, start-up and technical systems losses as well as circulation and storage losses.
- ➤ ENDLESS INSTANT HOT WATER - No need to preheat before using. As soon as you open the tap, the water flows out with your desired temperature. High efficient,saving energy.
- ➤ COMPACT DESIGN - Super compact designed, even smaller than a shoe box. Wall-mounted design for installation at the point of use, frees up floor space for more storage, easy to install into washbasin cabinet and other tight spaces!
- ➤ EXCEPTIONALITY DURABLE - Instant hot water thanks to rapid and maintenance-free bare wire heating systems. High quality alloy bare heating element has good corrode resistance and acid-resisting performance, with longer lifespan, instantaneous heating efficiency up to 99%.
- ➤ NOTES - Please verify that this model is the right size for your hot water needs and electrical requirements before purchase & installation. Dimensions: 7.4" x 5.4" x 3.4"; Weight: 3lbs; Pipes fittings: 1/2”NPT, Electrical requirements: 3.5kW at 208 volts or 4.7kW at 240 volts, Nominal pressure: 150PSI. Nominal current: 25A. Required breakers: 1x 2-POLE 25A. Required wire: 1 x 12AWG . ( Breakers and wire are NOT included )
Bestseller No. 10
Tankless Water Heater Electric,ECOTOUCH 9KW 240V On Demand Water Heater Self-Modulating Instant Hot Water Heater ECO90 White
- 【INSTANT & SUFFICIENT HOT WATER】 Applied with 9kW heating system, the electric water heater supplies instant, consistent and endless hot water of 116℉or higher temp shortly, no waiting for preheat nor fluctuations in temperature, perfect companion for sinks and shower.
- 【SMART SELF ADJUSTMENT】The hot water heater adjusts power input based on flow rate and temp setting in real time. For example, less power will be applied by the system when waterflow reduced, thus you still get ideal temperature instead of scalding hot water, which means comfortable experience. Optimal energy efficiency of 99.8% saves considerable electric charge.
- 【UPGRADED HEATING ELEMENT】The ECO90 hot water heater is applied with micro-computer control and patent heating technology. Water is completely separated from electricity by cast aluminum module. It guaranttes no"cold water sandwiching" and avoids any corrosion inside pipes so as to extend service life.
- 【SAFE AND DURABLE】Applied with multiple protection devices, every piece goes through strict tests to ensure 100% safety. Inner water and electricity lines are designed to run separately so as to avoid leakage or harm of scale build up. Approval by ETL and qualifies for UL, you can expect outstanding performance for years to come.
- 【CONVENIENT USE】The ECO90 tankless water heater comes with digital display & touch control panel so temp setting is easy job. It's space saving, measuring: 15.8″ H x 11.1″ W x 3.1″ D. Plus it has a stylish, modern design that blends in any location. Please verify it is the right size for you: [email protected]; pipes fittings :1/2" NPT.
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