ReviewsGas Condensing Water Heater

Rinnai RSC199eN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Outdoor Installation, 199,000 BTU

  • Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This outdoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 11 GPM (7 fixtures at once).
  • Smart, Durable Design: With no venting required, water heater fits a wide array of spaces.
  • Includes 15-, 5-, and 1-year residential guarantee 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.
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Rinnai RSC160eN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 9 GPM, Outdoor Installation, 160,000 BTU

  • Smart-Circ Intelligent Recirculation: This tankless hot water heater features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirucation accordinlgy for superior energy efficiency and convenience.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This outdoor condensing tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 9 GPM (6 fixtures at once).
  • Smart, Durable Design: With no venting required, water heater fits a wide array of spaces.
  • Includes 15-, 5-, and 1-year residential guarantee 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.
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Noritz EZTR40 120,000 BTU Indoor Direct Vent Condensing Tankless Water Heater Bundle Pack (NG)

  • Application: Residential, Product Type: Tankless Heater, Type: Condensing, Fuel Type: Natural Gas.
  • Gas Input: 15000 to 120000 BTU/h, Efficiency: 93%, Energy Factor: 0.91, Flow Range (GPM): 0.5 to 6.6.
  • Max Flow (GPM): 6.6, Min Flow (GPM): 0.5, Height (Inches): 27.2", Width (Inches): 18.3".
  • Depth (Inches): 9-2/5", Max Temp (F): 140°F, Water Connection: 3/4", Gas Connection: 1/2".
  • Warranty: 5 Year Parts/12 Year Heat Exchanger, Energy Star Rated: Yes, Installation Type: Indoor Only, Venting Requirement: PVC/CPVC.
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Rinnai RL75eP Propane Gas Tankless Hot Water Heater, 7.5 GPM

  • 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 RE160eP model.
  • Never Run Out of Hot Water with this Compact Propane 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.
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Rinnai V75iP Non-Condensing Propane Tankless Water Heater, Indoor Installation, Up to 7.5 GPM

  • Original Design: Tankless hot water heater only heats when necessary to conserve energy.
  • For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE180iP model.
  • Never Run Out of Hot Water with this Compact Propane 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: Enhanced scale detection helps prevent serious, long-term damage to unit.
  • Includes 15-, 5-, and 1-year residential guarantee 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.
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Rinnai V94eP Non-Condensing Propane Tankless Water Heater, Outdoor Installation, Up to 9.8 GPM

  • Original Design: Tankless hot water heater only heats when necessary to conserve energy.
  • For the latest in non-condensing technology and a cleaner layout that speeds up service and installation, check out our new RE199eP model.
  • Never Run Out of Hot Water with this Compact Propane 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 9.8 GPM (6 fixtures at once).
  • Smart, Durable Design: Enhanced scale detection helps prevent serious, long-term damage to unit.
  • Includes 15-, 5-, and 1-year residential guarantee 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.
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Noritz NRC711 157,000 BTU Direct Vent Condensing Residential Tankless Water Heater (LP)

  • Product Type: Tankless Heater, Application: Residential, Type: Condensing, Fuel Type: Propane.
  • Gas Input: 15000 to 157000 BTU/h, Efficiency: 93%, Energy Factor: 0.94, Max Flow (GPM): 7.1.
  • Flow Range (GPM): 0.5 to 7.1, Min Flow (GPM): 0.5, Depth (Inches): 6.7", Width (Inches): 18.3".
  • Height (Inches): 23.6", Max Temp (F): 140°F, Gas Connection: 3/4", Water Connection: 3/4".
  • Warranty: 5 Year Parts/12 Year Heat Exchanger, Energy Star Rated: Yes, Installation Type: Indoor Only, Venting Requirement: PVC/CPVC, Vent Type: Direct Vent.
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Noritz EZTR40 120,000 BTU Indoor Direct Vent Condensing Tankless Water Heater Bundle Pack (LP)

  • Application: Residential, Product Type: Tankless Heater, Type: Condensing, Fuel Type: Propane.
  • Gas Input: 15000 to 120000 BTU/h, Efficiency: 93%, Energy Factor: 0.91, Flow Range (GPM): 0.5 to 6.6.
  • Max Flow (GPM): 6.6, Min Flow (GPM): 0.5, Height (Inches): 27.2", Width (Inches): 18.3".
  • Depth (Inches): 9-2/5", Max Temp (F): 140°F, Water Connection: 3/4", Gas Connection: 1/2".
  • Warranty: 5 Year Parts/12 Year Heat Exchanger, Energy Star Rated: Yes, Installation Type: Indoor Only, Venting Requirement: PVC/CPVC.
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Takagi TK-240X3-NIH Condensing Ultra-Low NOx High Efficiency Natural Gas Indoor Tankless Water Heater, 160,000 BTUs

  • 160,000 Natural Gas Indoor Condensing Tankless Water Heater.
  • Endless hot water, On-demand usage, Compact, Space saving, Energy conservation.
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Noritz NRC711 157,000 BTU Outdoor Vent Condensing Residential Tankless Water Heater (NG)

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AO Smith ATI-340H-N 8 GPM Residential/Commercial Condensing Natural Gas Indoor Tankless Water Heater with 180000 Maximum BTU Input

  • ATI-340H Condensing Natural Gas Tankless Water Heater.
  • Altitude Certification: 10100 Feet Above Sea Level.
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