Ranein Natural Gas Tankless Water Heater — Indoor 80,000 BTU, 3.6 GPM, Includes Exhaust Pipe

Efficient on-demand hot water for modern homes

The Ranein Natural Gas Tankless Water Heater is designed for indoor use, delivering up to 80,000 BTU of heating power and a steady 3.6 GPM flow. This combination supports hot water across multiple zones—such as a bathroom, kitchen, and bar area—without the need for storing heated water. Enjoy a reliable supply when you need it, with a compact footprint that fits into tight spaces.

Key capabilities at a glance

• High heating output: 80,000 BTU for quick hot water on demand.
• Consistent flow: up to 3.6 gallons per minute to service 2–3 fixtures simultaneously.
• On-demand operation: no 30-minute preheat; hot water is ready when you turn on the tap.
• Four preset temperatures: Dish at 100°F, Fruit at 95°F, Elderly at 104°F, Infant at 107°F for tailored comfort.
• All-in-one kit: exhaust pipe included, reducing extra purchases and setup steps.
• Efficient design: oxygen-free copper water tank minimizes heat loss; standard 1/2" NPT water and gas fittings simplify connections.

Usage scenarios and installation notes

Ideal for homes that want steady hot water across common tasks—whether it’s running a quick shower, filling a pot, or keeping a bar area comfortable during gatherings. The unit is intended for indoor installation and may not be suitable for storerooms, basements, closets, or balconies in some layouts. Local building and plumbing regulations should be followed, and licensed professionals are recommended for installation. The device is not advised for elevations above 2,000 feet.

What you get and how it helps

• Compact, space-saving design that fits into tight indoor areas.
• Ready-to-install kit with an exhaust pipe to simplify setup and reduce extra costs.
• Durable construction with an efficient heat-transfer path to minimize energy use.