Reviews Continuous Flow Water Heaters

HUGO Battery Backup for Tankless Water Heaters and Gas Appliances (Standard Flow Sensor)

  • HUGO is packed with intelligent features that work seamlessly with gas-powered tankless water heaters, i.e. flow sensor, temperature sensor, pure sine wave, automatic switch over, etc..
  • Pure sine wave output. Serves as a protection barrier to safeguard expensive tankless water heater's CPU..
  • Built to last. IP54 grade enclosure. All weather proof and suitable for all outdoor or indoor installations..
  • Recognized and approved by Rinnai USA, compatible with Navien, Rheem, Noritz, and all other gas power tankless water heaters and appliances..
  • 5-13 hours of continuous operation providing on average 3-7 days of normal usage, giving you the comfort of hot water while power is out..
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Stiebel Eltron Tankless Heater – Tempra 12 Plus – Electric, On Demand Hot Water, Eco, White

  • CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again.
  • SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs.
  • EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work.
  • TEMPRA 12 PLUS – This specific model is 12kW, 240V, requires a min recommended electric service of 100 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels.
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliability....
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Stiebel Eltron Tankless Water Heater – Tempra 20 Plus – Electric, On Demand Hot Water, Eco, White

  • CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again.
  • SPACE & ENERGY SAVER – Its small, sleek white design saves space yet still provides endless hot water for your whole house, and no venting is required. Eco friendly unit saves energy with auto-modulation and the ability to electronically control water flow. Savings monitor even shows how much you save on energy costs.
  • EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work.
  • TEMPRA 20 PLUS – This specific model is 19.2kW, 240V, requires a min recommended electric service of 125 A, and offers an output water temperature of 68° to 140°F. Check our guides below to compare features of our various Trend and Plus models, each available in different kW levels.
  • WARRANTIES INCLUDED – Stiebel Eltron’s top-rated electric tankless water heaters perform with the highest standards for comfort and reliabili....
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Operation Teardrop

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Erin Brockovich

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Pool School

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Generator [Explicit]

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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The Bronze Bow

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Pet Rescue Saga

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Breaking New Ground

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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American Standard Catalogs

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Hardwood Spades Free

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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Men's Cocktails

  • 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.
  • EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters.
  • may be installed on wall or at point of use.
  • 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..
  • 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.
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