Our Top 10 Recommendations for Rheem tankless water heaters

Up-to-date pricing and reviews for Rheem tankless water heaters on the market

Bestseller No. 1

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

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

External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion three heating elements, field Serviceable
Simple installation – bottom 3/4 inch NPT water connections.Threaded for easy replacement, simple installation, digital temperature display
Flow Rate: up to 5.9 GPM

Bestseller No. 4

Bestseller No. 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
ECOSMART tankless water heaters are 99.8-percent energy efficient.Uniform Energy Factor:0.98

SaleBestseller No. 6

94-Percent Energy efficient with stainless-steel condensing heat exchanger
Intelligent electronic controls designed to increase energy efficiency and safety
Third party efficiency listed by AHRI
Up to 38-Feet of 3-Inch PVC Pipe or 5-Feet of 2-Inch PVC Pipe
Low Nox Version

Bestseller No. 7

External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion four heating elements, field Serviceable
Simple installation – bottom 3/4 inch NPT water connections
Threaded for easy replacement, simple installation, digital temperature display.Amperage:150 amps.A max flow of 8.0 GPM

Bestseller No. 8

External adjustable digital thermostatic control with LED display (+/1 degree accuracy
Durable Copper immersion two heating elements, field Serviceable
Simple installation – 3 foot electric cable and 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*
Threaded for easy replacement, simple installation, digital temperature display

SaleBestseller No. 9

Exclusive Water Savings technology conserving up to 1, 100 gallons per year
157, 000 BTU (gas consumed per hour)
Exclusive Hot Start Programming minimizes cold water burst by staying in ready-fire state
Recirculation pump ready kit ready
For use outdoors with freeze protection up to -30 degrees

Bestseller No. 10