Top 10 Best 40 Gallon Water Heater
of November 2024
1
Best Choice
GE APPLIANCES
GE APPLIANCES
GE APPLIANCES Point of Use Water Heater | Electric Water Heater with Adjustable Thermostat & Drain Valve | 10 Gallon | 120 Volt | Stainless Steel, Gray (GE10P08BAR)
10
Exceptional
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2
Best Value
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Thermotechnology Tronic 5000 T 40-Gallon Standard Electric Storage Water Heater (ES40M)
9.9
Exceptional
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3
EcoSmart
EcoSmart
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
9.8
Exceptional
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4
EcoSmart
EcoSmart
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology
9.7
Exceptional
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5
Bosch Thermotechnology
Bosch Thermotechnology
Bosch Thermotechnology 46-Gallon Low Boy Electric Storage Water Heater, Gray (7738007324)
9.6
Exceptional
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6
Rheem
Rheem
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey
9.5
Excellent
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7
EcoSmart
EcoSmart
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5
9.4
Excellent
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8
Rinnai
Rinnai
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
9.3
Excellent
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9
Rheem
Rheem
Rheem 18kW 240V Tankless Electric Water Heater
9.2
Excellent
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10
Rinnai
Rinnai
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
9.1
Excellent
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About 40 Gallon Water Heater
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GE APPLIANCES Point of Use Water Heater | Electric Water Heater with Adjustable Thermostat & Drain Valve | 10 Gallon | 120 Volt | Stainless Steel, Gray (GE10P08BAR)
POINT OF USE WATER HEATER - Installs on-location for hot water where you need it. COMPACT DESIGN - Ideal in limited spaces like kitchens, bathrooms, laundry rooms, cabins, RVs, garages, sheds, etc. EASY INSTALLATION - Uses standard 34-in NPT water connections and connects into any 120-Volt supply for simple installation. HOT WATER BOOSTER - Works as a standalone unit, or inline with another water heater to boost long pipe runs or washing machines. ADJUSTABLE THERMOSTAT - Easily change temperatures to your desired settings.
Bosch Thermotechnology Tronic 5000 T 40-Gallon Standard Electric Storage Water Heater (ES40M)
APPLICATION Dimensions 20.25 W x 49.14 H x 20.25 L. Perfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.. DURABILITY Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.. WARRANTY 10-year tank and parts limited warranty. EFFICIENCY HFO foam insulated, reducing fuel costs and increasing energy efficiency. Double heating elements conserve energy. Incoloy elements for a long-lasting unit. CONVENIENCE Factory-installed electric hot and cold water connections for extended tank life. Easy-to-use plastic drain valve for maintenance. Factory-installed heat traps reduce heat loss. Temperature and pressure relief valve included. Fully-automatic surface mount thermostats.
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.
EcoSmart ECO 18 Electric Tankless Water Heater, 18 KW at 240 Volts with Patented Self Modulating Technology
The product is highly durable. The product is easy to use. Manufactured in China. Amperage amps 75. Activation flow 0. 3 GPM. Flow Rate 35 F Rise gallonsmin 3. 51 gal USmin. The product works and is compatible with 2 X 40 AMP DP breakers and 2 X 8 AWG wire. 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.
Bosch Thermotechnology 46-Gallon Low Boy Electric Storage Water Heater, Gray (7738007324)
APPLICATION Dimensions 26.25 W x 34.50 H x 26.25 L. Perfect size for a maintenance closet, access closet under the stairs, crawl space. Ideal for replacement projects.. DURABILITY Two magnesium anode rods for extra tank protection. Dielectric heat trap. Heavy gauges steel tank for extra years of trouble-free service. Glass-lined steel tank to help prevent corrosion.. WARRANTY 10-year tank and parts limited warranty. EFFICIENCY HFO foam insulated, reducing fuel costs and increasing energy efficiency. Double heating elements conserve energy. Incoloy elements for a long-lasting unit. CONVENIENCE Factory-installed electric hot and cold water connections for extended tank life. Easy-to-use plastic drain valve for maintenance. Factory-installed heat traps reduce heat loss. Temperature and pressure relief valve included. Fully-automatic surface mount thermostats.
Rheem RTG-70XLP-1 Tankless Water Heater, Grey, Grey
Continuous Hot Water never run out of hot water, even with back-to-back showers. Tankless Gas Water Heaters are cost saving and energy efficient. Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need. Easy, Convenient Control Easily adjust water temperature ranging from 85F140F. For use outdoor with freeze protection up to -30 degrees.
Ecosmart ECO 24 24 KW at 240-Volt Electric Tankless Water Heater with Patented Self Modulating Technology, 17 x 17 x 3.5
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.Activation flow 0.3 GPM. ECOSMART tankless water heaters are 99.8-percent energy efficient. 100 A.
Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
Endless Hot Water Enjoy unlimited hot water flow throughout the house compact, durable, and easy to install professional installation recommended. Energy and Space Efficient Space-saving design conserves energy as it heats only when necessary. Optimal Water Pressure Up to 11 GPM hot water flow rate for a powerful, constant stream. Instant Heating Equipped with Circ-Logic - Pair with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation. Guaranteed to Last 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively. Wifi monitoring..
Rheem 18kW 240V Tankless Electric Water Heater
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 34 inch NPT water connections. Threaded for easy replacement, simple installation, digital temperature display.
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
Original Design Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits For the latest in non-condensing technology that speeds up service and installation, check out our new RE160iN model. Never Run Out of Hot Water with this Compact Tankless Gas Water Heater Non-condensing tankless hot water heater from Rinnai is only the size of a small suitcase and fits in a wide variety of spaces, but provides up to 7.5 GPM 5 fixtures at once. Smart, Durable Design Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively See Controlr module for WiFi control not included. Professional Installation Recommended Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your tankless water heater We do not recommend installing a water heater without a technician. Find Your Rinnai See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for your home Check our Ground Water Temperature Map to see if this heater is optimal for your region.