Water Heater Amazon Bestsellers - updated daily

Bestseller No. 1
Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe
77 Reviews
Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater, Twin Pipe
  • Concentric or PVC venting option
  • Up to 0.96 Energy Factor/Up to 0.92 Uniform Energy Factor
  • The space-saving design allows Indoor Installation type
Bestseller No. 2
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, 3.5KW@120-Volt
166 Reviews
Ecosmart POU 3.5 Point of Use Electric Tankless Water Heater, [email protected]
  • Can provide hot water for one sink at 0.5 GPM in warmer climates
  • Requires 1 x 30 amp breaker and 10 AWG wire
  • For one sink at 0.5 GPM in colder climates the POU 6 is recommended
39%Bestseller No. 3
Stiebel Eltron 224199 240V, 1 Phase, 50/60 Hz, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater, Advanced Flow Control
617 Reviews
Stiebel Eltron 224199 240V, 1 Phase, 50/60 Hz, 24 kW Tempra 24 Plus Whole House Tankless Electric Water Heater, Advanced Flow Control
  • Digital temperature control. Voltage : 240 Volt or 208 Volt
  • Proven reliability
  • No venting required
41%Bestseller No. 4
Atmor AT-900-03 Single Sink 3kw/110V, 0.5 GPM Point-Of-Use Tankless Electric Water Heater and 0.5 GMP Sink Aerator
178 Reviews
Atmor AT-900-03 Single Sink 3kw/110V, 0.5 GPM Point-Of-Use Tankless Electric Water Heater and 0.5 GMP Sink Aerator
  • Ideal for single sink application in areas with at least 57° ground water temperature
  • Maximum flow rate 0.5 GPM (Gallons per Minute) = 45° F temperature rise. Slower flow rate = higher temperature...
  • Requires a direct connection to a 30 Amp single-phase breaker. Required wire size: 10 AWG. Not a plug-in unit.
Bestseller No. 5
Hot Water
  • Starz (12/22/2015)
  • Prime Video, NR (Not Rated)
  • Running time: 79 minutes
16%Bestseller No. 6
Marey ECO110 220V Self-Modulating 11 kW, Small, White
53 Reviews
Marey ECO110 220V Self-Modulating 11 kW, Small, White
  • The 220V ECO 11kW unit is ideal for 2 simultaneous points of use in US Southern Regions where the incoming water...
  • German-designed with high quality stainless steel water channel and heating chamber.
  • SMART Technology: Easy management and simple adjustments on a LCD Panel allows you to program the exact desired water...
1%Bestseller No. 7
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
2265 Reviews
EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
  • 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

Last update on 2019-10-24 / Affiliate links / Images from Amazon Product Advertising API