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
Happybuy Tankless Water Heater Propane 18L Propane Water Heater 4.8GPM 36 KW Propane Tankless WaterHeater Stainless Steel on Demand Water Heater Propane Fit for Home Outdoor RV Use
- 【SUPERB MATERIALS】- Power: 36 KW; Hot Water Output: 18 L/min(4.8 GPM); Gas Supply: LPG(Liquid Petroleum Gas); Water Temperature: 50 °F -140 °F; This tankless water heater propane is crafted with stainless steel case and inner copper devices, making it anti-rust, high-temperature resistant, no water leakage, and durable. Come with a portable shower head kit.
- 【6-IN-1 MULTI PROTECTIONS】- Our propane water heater is upgraded with six protection ways to ensure your security on the shower, such as Over 75℃(167 °F) protection, low water flow protection, anti-frozen protection, over water pressure protection, no flame protection, 20min timer, etc.
- 【EFFORTLESS CONTROL】- You can easily adjust the water temperature by rotating the gas & water knobs on the panel. Switch the summer/winter mode to change the fire row amount, and save 40% gas in your bill. The combustion device will reach ≥80.8% thermal efficiency to save 11.5% energy. Start at a 0.015 MPA low water pressure; normal working pressure is 0.02 MPA-0.8 MPA.
- 【WALL-MOUNT & DETAILS】- This gas water heater is light-weight & portable to be installed on the wall, tree, or outside the RV for space-saving. Well-selected devices are included like copper standard G1/2" hose connectors, filtration mesh, gas emission tube, and copper water tank. Ignite the heater with 2 "D"cell batteries, and no pilot light is needed.
- 【DIVERSIBLE USE SCENARIOS】- CE test passed, fast to heat, this propane hot water heater is perfect for showering, pet washing, outdoor cleaning, camping and trip road, etc. Provide you with constant hot water, especially in winter or cold places. Instant, endless hot water, enjoy a comfortable showering at any time & any location.
Bestseller No. 3
Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass
- Lead Free Brass- Meets all federal & state standards for lead levels in drinking water system components
- Tankless Water Heater Service Valves 500WOG, colored valve handles for easy identification of hot and cold valves
- Include a residential pressure relief valve (150 PSI/500,000 BTU)
- Certified by CSA Group
- Easy to Install
Bestseller No. 4
Superior Pump 91660 Tankless Water Heater Descaler Pump Kit, Black
- Superior Pump 91660 Descaler Pump Kit is designed to clean and descale most Tankless Water Heaters
- Descaler kit includes 1/6HP pump, 3.5 gallon pail with screw top lid, two 3/4-inch GHT X 6-foot stainless steel hoses, and 7oz non-toxic descaler powder
- 1/6HP Thermoplastic utility pump moves up to 1920 Gal. per hour; Will pump up to 20-feet of vertical height; Oil-free motor design
- 1-inch NPT discharge; Includes 3/4-inch garden hose adapter for use with stainless steel hose; 8-foot power cord CSA Listed; convenient carrying handle
- Non-clogging reinforced thermoplastic impeller; Handles up to 1/8-inch solids; Stainless steel fasteners; Bottom screen filters out debris and is easy cleanable
SaleBestseller No. 5
Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
- 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
SaleBestseller No. 6
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
- Endless On-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
- Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
- Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used.
- EcoSmart ECO 11 Sizing; 13-kilowatt tankless electric water heater ideal for providing hot water for a bathroom, small sink, office breakroom and other point-of-use or low-flow applications; provides between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
- Warranty and Certifications; Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
SaleBestseller No. 7
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. 8
Propane Tankless Water Heater, GASLAND Outdoors BS158N 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, RV Camping Water Heater, Overheating Protection, Easy to Install
- 🎁【On Demand Hot Water】 Maximum power output 41,000btu/hour, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water ﬂows with your desired temperature. Low water pressure start up, just need 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
- 🎁【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 2.5-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167 °F. Shut off gas supply automatically under unexpectable flameout.
- 🎁【Lightweight Portable Design】 Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping , to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a few minutes to install it. Or you can install it according to the instructions.
- 🎁【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save more when you use our tankless water heater.
- 🎁【Excellent Customer Service】We have professional team to offer you excellent service. If you have any question, please feel free to contact us from Monday to Friday.
SaleBestseller No. 9
Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
- ON/OFF Dial Control with adjustable digital temperature display
- Self-modulating power control
- 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
- Bottom 3/4" NPT water connections
- On demand, consistent and continuous hot water
Bestseller No. 10
Tankless Water Heater Electric 5.5kw 240V, ECOTOUCH Point-of-Use Hot Water Heater Digital Display,Electric Instant Hot Water Heater with Self-modulating,Overheating Protection,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.