Best Gas Condensing Water Heater

Rinnai V65eN Non-Condensing Natural Gas Tankless Water Heater, Outdoor Installation, Up to 6.5 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 RE160eN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas 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 6.5 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 V94iN Non-Condensing Natural Gas Tankless Water Heater, Indoor 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 RE199iN model.
  • Never Run Out of Hot Water with this Compact Tankless Gas 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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Water Pipe Dab Mix

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a....
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,....
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your....
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for....
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CODEX GIGAS Trap Metal

  • Original Design: Tankless hot water heater's Circ-Logic technology offers recirculation patterns that match your habits.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: Non-condensing tankless hot water heater from Rinnai is only the size of a....
  • Smart, Durable Design: Includes 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger,....
  • Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your....
  • Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right tankless water heater for....
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Equator Ver 2 Pro 24 Combo Washer Dryer Vented/Ventless 1200 RPM+Pedestal White

  • Energy & Water Saving: $7 Estimated yearly energy cost when used with a natural gas heater ($10.30 with an electric water heater). 9.5 gallons for....
  • The Pedestal adds up to the height of the unit and can be used to store laundry essentials. Also the unit becomes ADA compliant..
  • Convertible Vented / Ventless: Convert drying mode from Venting to Ventless or vice-versa with the press of a button. ( Vented is 30% Faster drying....
  • Quiet Feature: Operate machine in Quiet Mode less than 60 dB. Perfect for babies, night time, sleeping in different shifts, campgrounds.
  • Convertible Venting/Condensing drying - Option to change from Condensing Dry system to a Vented Dry.
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Bosch ProTL 175CN (Greentherm C 950ES-NG) Tankless Water Heater, Natural Gas

  • Bosch Special Edition 175,000 BTU Condensing Tankless Water Heater.
  • Equivalent to the Bosch Greentherm C950ES-NG Natural Gas Tankless Water Heater.
  • Benchmark temperature stability achieved with an active bypass.
  • Can be vented with 3" or 4" PVC vertically or horizontally, including concentric options.
  • Inlet water filter featuring easy external access.
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Rinnai RE140iN Non-Condensing Natural Gas Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

  • Smart Design: Improved design of tankless hot water heater only heats when necessary to conserve energy.
  • Speeds installation and enhances serviceability with a cleaner internal layout.
  • LED screen provides service reminders and error codes.
  • Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing indoor tankless hot water heater from Rinnai is only the size of a small suitcase, but provides up to 5.3 GPM (5 fixtures at once).
  • Smart, Durable Design: 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 RSC199iP Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Propane Heater, Up to 11 GPM, Indoor 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 indoor 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 multiple venting options, 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 RSC199eP Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Propane 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 RSC160iP Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Propane Heater, Up to 9 GPM, Indoor 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 indoor 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 multiple venting options, 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 RSC160eP Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Propane 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 NRC711 157,000 BTU Direct Vent Condensing Residential Tankless Water Heater (NG)

  • Application: Residential, Product Type: Tankless Heater, Type: Condensing, Fuel Type: Natural Gas.
  • Gas Input: 15000 to 157000 BTU/h, Energy Factor: 0.94, Efficiency: 93%, Max Flow (GPM): 7.1.
  • Flow Range (GPM): 0.5 to 7.1, Min Flow (GPM): 0.5, Depth (Inches): 6.7", Height (Inches): 23.6".
  • Width (Inches): 18.3", Max Temp (F): 140°F, Gas Connection: 3/4", Water Connection: 3/4".
  • Installation Type: Indoor Only, Warranty: 5 Year Parts/12 Year Heat Exchanger, Energy Star Rated: Yes, Venting Requirement: PVC/CPVC.
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Rinnai RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor 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 indoor 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 multiple venting options, 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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