Ranein Natural Gas Tankless Water Heater for Indoor, with Vent Pipe
Ranein Natural Gas Tankless Water Heater for Indoor, with Vent Pipe
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Ranein

Ranein Natural Gas Tankless Water Heater for Indoor, with Vent Pipe

|33 ratings

Key item features

  • Powerful Performance: This tankless water heater offers a heating capacity of 80,000 BTU and a hot water flow rate of 3.6 GPM, capable of supplying 2-3 water points simultaneously.
  • Instant Hot Water: Eliminates the 30-minute preheating wait time associated with traditional tank heaters, providing continuous hot water on demand.
  • Smart Functions: Features a Four Seasons Function for automatic temperature adjustment, a Kitchen Function defaulting to 100F, and a Bathtub Function with adjustable output quantity.
  • Cost-Saving Design: Includes an exhaust pipe, reducing additional purchase costs, and utilizes an oxygen-free copper water tank to minimize heat loss and energy consumption.
  • Standard Connections: Equipped with standard 1/2" NPT water fittings and a gas inlet for straightforward installation.
  • Professional Installation: Adherence to local building and plumbing regulations is strongly advised, with installation recommended by licensed professionals.
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Specs

Water heater type, Tankless Water HeatersFuel type, Natural GasBrand, RaneinVolume capacity, 43 galRec location, Basement, Bathroom, Garage, Indoor and Outdoor, KitchenRec. room, Bathroom

About this item

Product details

Performance: The on-demand tankless water heater boasts a heating capacity of 80,000 BTU and a hot water flow rate of 3.6 gallons per minute (GPM). It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area. No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand. Save Money: The kit already includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately. With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption. Applied with standard 1/2" NPT water fitting and gas inlet. Warranty: We provide a 2-year warranty for the water heater. If you encounter any issues, please contact us. Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location, and should be carried out by licensed professionals.

Ranein Natural Gas Tankless Water Heater for Indoor, with Vent Pipe

  • Performance: The on-demand tankless water heater boasts a heating capacity of 100,000 BTU and a hot water flow rate of 43 gallons per minute (GPM) It can provide continuous hot water for 2-3 water supply points, making it sufficient to meet the hot water needs of a household's bathroom, kitchen, and bar area
  • Upgrade Features: Four Seasons Function automatically adjusts the water temperature output based on seasonal water temperature changes Kitchen Function sets the default water output temperature to 100°F, suitable for kitchen use Bathtub Function allows adjustable water output quantity with a reminder when the set output quantity is reached, catering to various environmental needs
  • No Waiting Required: Unlike traditional tank water heaters, tankless water heaters eliminate the need for a 30-minute preheating wait time, allowing you to have unlimited hot water on demand
  • Save Money: The kit includes the exhaust pipe, so you don't need to spend extra money on purchasing it separately With an oxygen-free copper water tank, it reduces heat loss and lowers energy consumption Applied with standard 1/2" NPT water fitting and gas inlet
  • Recommendation: We strongly advise that all installations of the device adhere to local building and plumbing regulations at the installation location and should be carried out by licensed professionals
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Specifications

Water heater type

Tankless Water Heaters

Fuel type

Natural Gas

Brand

Ranein

Volume capacity

43 gal

Warranty

Warranty information

2 Year Warranty

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.2 out of 5 stars
stars
33 ratings20 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars58% (19)
  2. 4 stars27% (9)
  3. 3 stars0% (0)
  4. 2 stars6% (2)
  5. 1 star9% (3)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 20 reviews

Apr 14, 2026
Reviewer name: jim
Item details
Shape: Natural Gas
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Easy to install. Ample hot water.

Helpful?4BBBZ029YZ3Q5673370057
Sep 22, 2025
Reviewer name: Marsha
Item details
Shape: Natural Gas
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Outlet not Battery operated

digital display requires an outlet... wish I had looked to see the display was not battery operated would have preferred it to be battery operated. Other then that LOVE IT ❤️. was easy to install and setup. which i did myself.

Helpful?4BBBZ029YZ3Q5673370057
Sep 8, 2025
Reviewer name: Jeremy
Top Reviewer
Item details
Shape: Natural Gas
Sold byEssentialHomeDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

best water heater

Easiest water heater I have ever installed.

Incentivized Review
Helpful?4BBBZ029YZ3Q5673370057
Current price is $398.99
Price when purchased online
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4.2 stars out of 5, based on 109 seller reviews(4.2)
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