Best tankless water heater. Rheem brand. New releases 2020

Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

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Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray

Current price: 375.99 USD

Saving: $53.01 (12%)


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Height: 14.5 Inches

Length: 18.25 Inches

Width: 3.5 Inches

Weight: 14.8 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)

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Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

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Rheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY

Current price: 254 USD

Saving: $16.00 (6%)


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Height: 3.63 Inches

Length: 12.63 Inches

Width: 8.25 Inches

Weight: 0.000625 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy

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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

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Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

Current price: 485.99 USD

Saving: $36.01 (7%)


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Height: 17.625 Inches

Length: 18.25 Inches

Width: 3.5 Inches

Weight: 17.8 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display

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Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater

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Rheem 240V 3 Heating Chambers RTEX-27 Residential Tankless Water Heater

Current price: 619.95 USD


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Height: 19 Inches

Length: 4 Inches

Width: 18 Inches

Weight: 17.8 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)

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Rheem RTG-84XLN-1 Tankless Water Heater, Grey

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Rheem RTG-84XLN-1 Tankless Water Heater, Grey

Current price: 952.99 USD


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Height: 23.63 Inches

Length: 8.88 Inches

Width: 13.88 Inches

Weight: 57 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year

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Rheem RTEX-11 11kW 240V Electric Tankless Water Heater, Gray

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Rheem RTEX-11 11kW 240V Electric Tankless Water Heater, Gray

Current price: 267.5 USD


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Height: 8.25 Inches

Length: 12.625 Inches

Width: 3.625 Inches

Weight: 8.5 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • On demand, consistent and continuous hot water
  • Side 1/2" NPT water connections
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display

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Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

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Rheem RTGH-95DVLN 9.5 GPM Indoor Direct Vent Tankless Natural Gas Water Heater

Current price: 1115 USD

Saving: $74.00 (6%)


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Height: 27.5 Inches

Length: 18.5 Inches

Width: 9.75 Inches

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • On demand, consistent and continuous hot water
  • Side 1/2" NPT water connections
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger

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Rheem RTEX-04 3.5kW 120V Point of Use Electric Tankless Water Heater, Gray

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Rheem RTEX-04 3.5kW 120V Point of Use Electric Tankless Water Heater, Gray

Current price: 165 USD


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Height: 10.875 Inches

Length: 5.875 Inches

Width: 2.75 Inches

Weight: 4.5 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • On demand, consistent and continuous hot water
  • Side 1/2" NPT water connections
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f

More Info

Rheem RTEX-08 8kW 240V Tankless Electric Water Heater, Gray

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Rheem RTEX-08 8kW 240V Tankless Electric Water Heater, Gray

Current price: 219.48 USD


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Height: 10.875 Inches

Length: 12.625 Inches

Width: 3.625 Inches

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • On demand, consistent and continuous hot water
  • Side 1/2" NPT water connections
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
  • On demand; continous hot water
  • Side 1/2" NPT water connections
  • 8kW Model Flow Rate: up to 1.95 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display

More Info

Rheem RTEX-06 6kW 240V Point of Use Electric Tankless Water Heater, Gray

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Search only Rheem brand name
Rheem RTEX-06 6kW 240V Point of Use Electric Tankless Water Heater, Gray

Current price: 171 USD


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Height: 10.875 Inches

Length: 5.875 Inches

Width: 2.75 Inches

Weight: 4.5 Pounds

  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • 54 A
  • Threaded for easy replacement, simple installation, digital temperature display 54 A. 13kW Model Flow Rate: up to 3.17 GPM
  • 99.8% energy efficient. External controls to adjust temperature in increments of 1°f. Water-Saver Shower Head – 1.5 GPM
  • Simple installation – 1/2 NPT adapters included; side 1/2 inch Compression water connections
  • Durable Copper immersion two heating elements, field Serviceable.Self-modulating power control
  • External adjustable digital thermostatic control with LED display (+/1 degree accuracy
  • On demand, consistent and continuous hot water
  • Bottom 3/4" NPT water connections
  • 24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Threaded for easy replacement, simple installation, digital temperature display
  • Simple installation – bottom 3/4 inch NPT water connections
  • Durable Copper immersion three heating elements, field Serviceable
  • Most advanced self-modulation, adjust power to meet hot water demand
  • External digital thermostatic control with LED display (+/1 degree accuracy)
  • Fuel Type: Natural Gas
  • For use outdoors with freeze protection up to -30 degrees
  • Recirculation pump ready kit ready
  • Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
  • 157, 000 BTU (gas consumed per hour)
  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • On demand, consistent and continuous hot water
  • Side 1/2" NPT water connections
  • 11kW Model Flow Rate: up to 2.68 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • Low Nox Version
  • Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
  • Third party efficiency listed by AHRI
  • Intelligent electronic controls designed to increase energy efficiency and safety
  • 94-Percent Energy efficient with stainless-steel condensing heat exchanger
  • RTEX04 and RTEX06 only show output temperature and are non thermostatically controlled
  • Compact and stylish with digital temperature control in increments of 1f ranging from 80f to 140f
  • On demand; continous hot water
  • Side 1/2" NPT water connections
  • 8kW Model Flow Rate: up to 1.95 GPM
  • Self-modulating power control
  • ON/OFF Dial Control with adjustable digital temperature display
  • On demand, consistent and continuous hot water
  • Bottom 1/2" NPT water connections
  • Perfect for 1 or 2 sinks
  • 6 kW Model Flow Rate: up to 1.0 GPM
  • Push-button ON/OFF control with LED temperature display

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