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Rinnai

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When purchasing a product, price is the consumer's primary concern. At present, Rinnai has 141 products for sale. Rinnai products range in price from $32.47 to $3390.8, and the average price of all the products is about $1197.11. You should take everyting into consideration before buying the products, after all, it is not a small expenditure for most consumers.

We found that most of the Rinnai products are manufactured by Rinnai America Corporation. The manufacturer provides Rinnai with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase Rinnai products from the seller eFaucets. The brand holds an average rating of 4.5, testifying to its excellent reputation.

Rinnai Best Sellers

Last Updated: Jan 10, 2026

NEW Rinnai RXP199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU, with Recirculation Pump

One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 11.1 GPM (7 fixtures at once)
Smart, Efficient Design: This water heater's modern design includes an easy-to-use interface, Quick Flush feature for simplified flushing, as well as a super-high energy efficiency factor of UEF .98; See Controlr module for WiFi control (not included)
Smart-Circ Intelligent Recirculation: This tankless hot water heater includes an internal pump and features Smart-Circ technology that learns your water usage patterns, then schedules pump and recirculation accordingly for best efficiency and convenience
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to find a qualified technician to install your tankless water heater, and use the Rinnai Central App for help with setup, service & troubleshooting; We do not recommend installing a water heater without a technician

NEW Rinnai RX160iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 9 GPM, 160,000 BTU

One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This condensing propane and natural gas tankless water heater from Rinnai is only the size of a small suitcase, but provides up to 9 GPM (6 fixtures at once)
Smart, Efficient Design: This water heater's modern design includes an easy-to-use interface, Quick Flush feature for simplified flushing, as well as a super-high energy efficiency factor of UEF .97; See Controlr module for WiFi control (not included)
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to find a qualified technician to install your tankless water heater, and use the Rinnai Central App for help with setup, service & troubleshooting; 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 size for your home; Check our Ground Water Temperature Map to see if this heater is optimal for your region

Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 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 7.6 GPM (6 fixtures at once)
Smart, Durable Design: Water heater includes 15-, 5-, and 1-year residential guarantee for heat exchanger, labor, and parts, respectively; See Controlr module for WiFi control (not included); See REP199iN for model with included pump
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

Rinnai FC824P Ventless Propane Heater, Energy-Efficient Space Heater with Programmable Thermostat

Efficient Heating: Our small space heater provides powerful warmth in compact rooms; With its warm air outlet and bottom front louvers, it effectively heats up any indoor area, ensuring you stay comfortable during the chilly seasons
Smart Control: Enjoy precise temperature control with our room heater's programmable thermostat display; The digital adaptive control on this indoor heater adapts to your heating needs, while a self-diagnostics feature means hassle-free maintenance
Peace of Mind: Our wall heater is designed with your safety in mind with a flame failure device, overheat switch, oxygen depletion sensor, and tilt switch, which automatically disable gas/power if the device overheats, overturns, or is extinguished
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater; We do not recommend installing a heater without a technician
Reliable Heating Solution - Experience the convenience and reliability of our small heater. Its cool-to-touch child-safe cabinet with a safety lock ensures peace of mind, while its ventless and ductless design make installation simple

Rinnai V53DeN Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation

Unlimited Hot Water For Your Family: Enjoy endless hot water with our Rinnai tankless hot water heater, providing a flow rate of 5.3 GPM to serve up to 4 appliances; Say goodbye to cold showers and hello to convenience with this efficient unit
Energy Efficiency At Its Best: This compact gas tankless water heater conserves energy by heating water only when needed, making it an earth-friendly choice for energy-conscious homeowners; Reduce utility bills and enjoy hot water as needed
Peace Of Mind With Long-Lasting Performance: The Rinnai tankless hot water heater offers a 10-year warranty on the heat exchanger, ensuring durability; Enjoy uninterrupted hot water flow without worrying about frequent repairs
Compact And Space-Saving Design: Our outdoor tankless hot water heater is designed for modern homes, ideal for families and new homeowners; Its small footprint allows easy installation in tight spaces without sacrificing performance
User-Friendly And Easy Installation: We recommend professional installation for the best results, ensuring safe operation of this on demand water heater; Visit our Rinnai PRO page to find a qualified technician near you

Rinnai RWM200 WiFi Control Module for Tankless Water Heater, Black, Smart Phone Control, Indoor Installation

SMART CONNECTIVITY: Enables wireless control of your Rinnai tankless water heater through a smartphone app, allowing remote temperature adjustments and monitoring
EASY INSTALLATION: Features a simple two-wire interface that quickly connects to your Wi-Fi network, compatible with specifically equipped Rinnai tankless water heaters
FLEXIBLE PLACEMENT: Can be installed up to 300 feet away from the water heater when Wi-Fi signal is weak, designed for indoor installation but works with outdoor heaters
MONITORING FEATURES: Tracks energy usage, enables schedule setting, and provides important system alerts directly to your mobile device
MOBILE CONTROL: Works with the Rinnai Control-R mobile app to provide comprehensive control of water temperature settings and heater functions from your phone or tablet

Rinnai RE180iN Non-Condensing Natural Gas Tankless Water Heater, Up to 8.5 GPM, Indoor Installation, 180,000 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 6.9 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

Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

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 RE160iN 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 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

Rinnai Flame Rod Electrode Kit

Item Package Dimension: 3.89L x 3.069W x 2.23H inches
Item Package Weight - 0.11 Pounds
Item Package Quantity - 1
Product Type - FOOD SERVICE SUPPLY
This is a genuine OEM (Original Equipment Manufacturer) part.

Rinnai RE140eP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Outdoor Installation, 140,000 BTU

Never Run Out of Hot Water with this Compact Tankless Gas Water Heater: This non-condensing outdoor 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

I series Combi Primary Secondary Heating Kit

Factory-built for quick field installation
Designed specifically for Rinnai I-Series Combination Boilers
Offered as a boiler accessory for hydraulic separation

Condensate Nuetralizer Kit

Rinnai Tankless Water Heaters last up to 20 years
Water Heater is about the size of a carry-on suitcase

Rinnai CX199iN Condensing Smart Sense Commercial Natural Gas or Propane Tankless Water Heater, 199,000 BTU, 11.1 GPM

One Model, Anywhere: This Rinnai tankless water heater is installable indoors or outdoors thanks to our new Versa Vent and powered by either propane or natural gas thanks to a Smart Sense gas control system; RX-OVC vent cap required for outdoor install
Super High Efficiency for Lower Energy Costs: Boasting an impressive thermal efficiency rating of 97%, this tankless water heater optimizes energy usage, helping to significantly reduce operational costs
Installation Flexibility with Conversion Kit: This model provides installation flexibility with an optional conversion kit for recirculation; With the kit, users can improve hot water management, optimizing efficiency and saving energy
Smart Connect for Effortless Monitoring and Management: Easily set up, manage, and troubleshoot your tankless water heater through the Rinnai Central App on your smartphone
User-Friendly Features: Equipped with Smart Connect via Bluetooth for easy setup and management through the Rinnai Central App, plus a quick flush system for simple maintenance. Professional installation is recommended for best results

Rinnai EX11DTP Direct Vent Wall Furnace, Indoor Propane Heater, Energy Efficient Space Heater, 11,000 BTU, Beige

Safe And User-Friendly Design For Peace Of Mind: This wall mounted heater features a cool-to-the-touch cabinet and self-diagnostic electronics to guarantee safe operation, making it an ideal indoor heater for families with children
Energy Savings Without Compromise: Our energy efficient space heater minimizes fuel consumption by precisely matching heat levels to your needs, ensuring enhanced efficiency while keeping your home warm and comfortable all season long
Customizable Comfort With Smart Technology: The programmable thermostat allows you to set specific temperatures to suit your lifestyle, easily integrating with Wi-Fi-enabled systems for ultimate convenience with this wall mount heater
Compact And Space-Saving For Modern Homes: Designed for versatility, this wall heater seamlessly fits into any indoor space, making it the perfect solution for urban residents and homeowners looking to optimize their heating solutions

Combi Boiler CH 150K BTU/DHW 199K BTU

Unmatched Energy Efficiency: The Rinnai I-Series Plus Water Boiler provides significant energy savings with up to a 96% AFUE rating, making it an excellent choice for cost-conscious professionals
Smart Home Compatibility: Featuring Smart Connect technology, these Rinnai Combi Boilers offer Wi-Fi remote access and Bluetooth connectivity through the Rinnai Central App, allowing for convenient monitoring and management
Versatile Fuel Options: With Smart Sense Adaptive Gas Valve technology, the I-Series Plus is designed to accommodate natural gas or propane, ensuring compatibility with a wide range of heating setups to meet diverse customer needs
Compact and Installation-Friendly Design: The Rinnai Combi Boiler boasts a compact build and easy installation, with 2-inch venting capabilities up to 75 feet for faster setup in multiple zones
Advanced Features for Enhanced Performance: Enjoy improved functionality with 4-zone capability, simultaneous delivery of domestic hot water and space heating on all Combi Units, and advanced controls featuring a quick setup screen and improved front panel display

Rinnai 103000039 Scale Cutter Water Conditioning System Replacement Filter

Keeping scale-causing minerals in solution inhibiting lime scale formation
Changes the shape of precipitated lime scale preventing accumulation
Coats wetted surfaces with a micro-thin layer that provides corrosion control
Helps soften and remove existing lime scale over time

Rinnai i150SN Condensing Gas Boiler, Whole Home Natural Gas Heater with Space-Saving Design and Smart Features, (150K BTU)

Whole Home Heater: Heat the whole house with our tankless boilers, featuring a stainless-steel heat exchanger with a modulating wire mesh burner, and experience energy-efficient warmth and comfort
Smart Features: This high-efficiency gas boiler's multizone control capability allows thermostat and integrated control pumps to connect directly to the boiler; Wall mount heater features safety child-lock that automatically turns off central heating
Easy Interface: Our energy efficient heater has a digital display main screen, temperature and pressure display, and an outdoor reset sensor with easy parameter settings; Adjust CH temperature between 104°F and 180°F and DHW between 98°F and 140°F
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your boiler; We do not recommend installing a heater without a technician
Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial standard warranty for heat exchanger, parts, and labor respectively

Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation

Endless Hot Water: Our tankless hot water heaters offer unlimited whole-home hot water flow and come equipped with Circ-Logic for pairing with an external pump to reduce wait time for hot water via scheduled or on-demand recirculation
Energy and Space Efficient: The tankless design of this small hot water heater saves on space and conserves energy as it heats only when necessary
Optimal Water Pressure: With a hot water flow rate of up to 11 GPM, this tankless water heater provides a powerful, constant stream that can accommodate up to 7 appliances at once
Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your water heater; We do not recommend installing a water heater without a technician
Guaranteed to Last: 15-, 5-, and 1-year residential for heat exchanger, labor, and parts, respectively; Wifi monitoring available with Controlr module (not included)
ENERGY STAR qualified with Uniform Energy Factor of 0.105

Rinnai REP199iN Smart-Circ Non-Condensing Natural Gas Tankless Water Heater with Built-In Recirculation Pump, Up to 7.9 GPM, Indoor Installation, 199,000 BTU

Smart-Circ Intelligent Recirculation: Tankless hot water heater offers a built-in recirculation pump and Smart-Circ technology that learns your water use patterns, then schedules pump and recirculation accordingly for energy efficiency and convenience
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 7.6 GPM (6 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

Rinnai FAQs

Yes, Rinnai is a legitmate brand on Amazon. After conducting a comprehensive analysis of 3,455 customer reviews for Rinnai products on Amazon, we have determined its average rating. Offering great value and satisfying quality, Rinnai has achieved a respectable rating of 4.5 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from Rinnai on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

If you're interested in Rinnai and want to find more Rinnai products, you can follow the steps below:

  1. Go back to FindThisBest's homepage.
  2. Type Rinnai in the search box and hit Enter to see the search results.
  3. Find and click the correct Rinnai to go to the new page.
  4. Select the products you want in the Rinnai buying guide, and take a glance at the prices and features of the products.
  5. View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more Rinnai products.

We analyze millions of Rinnai products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 141 Rinnai products for sale, 19 of which were analyzed in detail and recommended to customers.

  1. Go to the Rinnai page.
  2. Select the product you want in the Rinnai buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product NEW Rinnai RXP199iN Condensing Smart Sense Natural..., you can view it on Amazon page.
  3. Place your order on Amazon.

Most of the Rinnai products are produced by Rinnai America Corporation. The manufacturer provides Rinnai with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the Rinnai products, helping you make more informed buying decisions. We recommend best choices of the products from the Rinnai brand, helping you make better shopping choices with less time and energy.