Rinnai Tankless Water Heater

The Best Rinnai Tankless Water Heater

Here are some of the best Rinnai Tankless Water Heaters on The Trade Table:

Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing Tankless Water Heater, NG

The Rinnai SE+ Series with Smart-Circ™ 9 GPM Outdoor Condensing Tankless Water Heater is a high-performance, natural gas-powered unit designed for outdoor installation, offering up to 9 gallons of hot water per minute. Ideal for large households or commercial settings, this water heater combines efficiency and convenience with its condensing technology, which captures extra heat from exhaust gases. The Smart-Circ™ system, featuring a built-in recirculation pump, reduces water waste and ensures quicker access to hot water by keeping it circulating through the pipes.

Rinnai RSC199eP SE+ Series with Smart-Circ™ 11 GPM 199,000 BTU Propane Gas Outdoor Condensing Tankless Water Heater with Recirculation

Rinnai Gas Water Heater

Designed for efficiency and performance, Rinnai gas water heaters provide a continuous supply of hot water without relying on a storage tank. These units heat water only when needed, reducing energy waste and lowering utility costs. Whether you need a solution for a single bathroom or a large household, Rinnai's tankless gas models come in various sizes to fit different demands. With indoor and outdoor installation options, they offer flexibility for new construction and home upgrades alike.

Rinnai Electric Water Heater

Rinnai’s electric water heaters, particularly their heat pump models, are a sustainable alternative for homes looking to reduce energy consumption. Instead of generating heat directly, these units pull warmth from the surrounding air, making them more efficient than traditional electric water heaters. Ideal for eco-conscious homeowners, they deliver consistent hot water while minimizing carbon emissions. With high-efficiency ratings and a design that fits various spaces, Rinnai's electric models provide both performance and sustainability.

Frequently Asked Questions About Rinnai Tankless Water Heaters

Here are some frequently asked questions about Rinnai Tankless Water Heaters.

What is a Rinnai tankless water heater?

A Rinnai tankless water heater provides hot water on demand without the need for a storage tank. Unlike traditional water heaters, it heats water only when needed, making it more energy-efficient and providing a continuous supply of hot water.

How does a Rinnai tankless water heater work?

Rinnai tankless water heaters use either natural gas or propane to heat water. When you turn on a hot water tap, cold water enters the unit, where it is heated by a gas burner or electric element. The hot water then flows directly to your faucet or appliance without being stored in a tank.

How To Reset Rinnai Tankless Water Heater?

Press and hold the power button to turn off the unit, then wait a few moments before turning it back on. If the error persists, locate the reset button (usually near the control panel) and press it for a few seconds. If the heater still doesn’t reset, check for any error codes and troubleshoot accordingly.

How Much Is A Rinnai Tankless Water Heater?

The cost of a Rinnai tankless water heater typically ranges from $800 to $2,500, depending on the model and features. Installation costs can add another $1,000 to $3,000, depending on labor and modifications needed. Prices vary based on location, gas or electric type, and efficiency rating.

How Old Is My Rinnai Tankless Water Heater?

You can determine the age by checking the serial number on the unit, usually found on a label near the bottom. The first four digits indicate the manufacture date, with the first two representing the year and the next two the month. For example, a serial number starting with "2012" means it was made in December 2020.

How To Flush A Rinnai Tankless Water Heater?

Turn off the power and water supply, then connect hoses to the service valves and flush the unit using a descaling solution or white vinegar. Let the solution circulate for about 45 minutes to remove mineral buildup. After flushing, rinse the system with clean water before restoring power and water flow.

What Size Rinnai Tankless Water Heater Do I Need?

The right size depends on your household's hot water demand, measured in gallons per minute (GPM). A small household may need a unit with a 5 GPM flow rate, while larger homes may require 7–10 GPM. Consider factors like the number of bathrooms, simultaneous water use, and climate for accurate sizing.

How To Tell The Age Of A Rinnai Tankless Water Heater?

Check the serial number on the unit, typically found on a label near the bottom. The first four digits indicate the manufacturing date, with the first two representing the year and the next two the month. If unsure, you can contact Rinnai with the serial number for verification.

How To Service A Rinnai Tankless Water Heater?

Regular maintenance includes flushing the system, cleaning the filter, and checking for gas leaks or blockages. Inspect the venting system and ensure proper airflow to prevent overheating. If you’re unsure, schedule a professional service once a year for thorough maintenance.

What Does Error Code 11 Mean On Rinnai Tankless Water Heater?

Error code 11 indicates an ignition failure, meaning the burner isn’t lighting. Check if the gas supply is on, ensure the gas valve is open, and inspect for blockages in the burner or venting system. If the issue persists, a technician may need to inspect the unit.

How Long Does A Rinnai Tankless Water Heater Last?

A well-maintained Rinnai tankless water heater can last 15 to 20 years. Regular descaling, filter cleaning, and proper installation help extend its lifespan. Hard water conditions may require more frequent maintenance to prevent mineral buildup.

How To Clean A Rinnai Tankless Water Heater?

Cleaning involves flushing the system with vinegar or a descaling solution to remove mineral deposits. The filter should also be removed, rinsed, and reinstalled. Wipe down the exterior and check for any blockages in the air intake and exhaust vents.

How To Install A Rinnai Tankless Water Heater?

Installation requires mounting the unit, connecting gas and water lines, and setting up the venting system. It’s recommended to hire a professional since improper installation can lead to gas leaks or ventilation issues. Permits and local code compliance may also be required.

How To Clean Filter On Rinnai Tankless Water Heater?

Turn off the unit, locate the inlet water filter, and unscrew it from the bottom of the heater. Rinse it under running water to remove debris and reinstall it securely. Regular cleaning prevents blockages and maintains efficiency.

Why Is My Rinnai Tankless Water Heater Beeping?

A beeping sound usually signals an error code or maintenance reminder. Check the display panel for any error codes and refer to the manual for troubleshooting. If the unit is overheating or has a blockage, addressing the issue should stop the beeping.

How To Descale A Rinnai Tankless Water Heater?

Turn off the power and water supply, then connect hoses to the service valves and run a descaling solution or vinegar through the system for 45 minutes. Flush with clean water afterward to remove any residue. Regular descaling prevents mineral buildup and ensures efficient performance.

How Many Watts Does A Rinnai Tankless Water Heater Use?

Rinnai tankless water heaters typically use between 50 to 200 watts for normal operation. During ignition, they may require up to 1,500 watts for a brief moment. Gas-powered models consume less electricity overall compared to electric-only units.

How To Reset Error Code On Rinnai Tankless Water Heater?

Turn off the unit and unplug it for a few minutes, then turn it back on to see if the code clears. If the error persists, press the reset button on the control panel. If needed, troubleshoot the specific issue causing the error.

What Is The Average Cost To Install A Rinnai Tankless Water Heater?

Installation costs typically range from $1,000 to $3,000, depending on labor, permits, and modifications required. Gas line upgrades or venting adjustments can add to the cost. Hiring a professional ensures proper setup and compliance with local codes.

How To Turn On Rinnai Tankless Water Heater?

Press the power button on the control panel to turn on the unit. Ensure the gas and water supply valves are open for proper operation. If the unit doesn’t start, check for error codes or obstructions in the gas line.

How To Adjust Rinnai Tankless Water Heater Temperature?

Press the up or down arrow buttons on the control panel to set your desired temperature. Most models allow adjustments between 98°F and 140°F, though some may require a special setting for higher temperatures. If you need to go beyond the limit, refer to the manual for advanced adjustments.

How To Raise The Temperature On A Rinnai Tankless Water Heater?

Use the temperature control buttons on the panel to increase the setting. If the maximum limit is reached, you may need to activate a higher temperature setting following the manufacturer’s instructions. Be cautious not to set it too high to avoid scalding.

What Does Priority Mean On Rinnai Tankless Water Heater?

The priority function allows a specific controller to control the water temperature. When activated, only that controller can adjust the settings, preventing others from making changes. This is useful for households where one user wants consistent temperature control.

How Often To Flush Rinnai Tankless Water Heater?

It’s recommended to flush the system once a year to prevent mineral buildup. If you have hard water, flushing every six months may be necessary. Regular maintenance helps keep the heater running efficiently.

How To Open Rinnai Tankless Water Heater?

Most models have a front cover secured with screws—remove them carefully to access internal components. Before opening, turn off the power and gas supply for safety. Only open the unit if necessary for maintenance or troubleshooting.

What Does Code 12 Mean On A Rinnai Tankless Water Heater?

Error code 12 indicates a flame failure, meaning the burner is not staying lit. Check if the gas supply is open, inspect the igniter, and ensure proper ventilation. If the issue continues, a technician may need to inspect the unit.

How To Insulate Rinnai Tankless Water Heater?

Use pipe insulation or heat tape on exposed water lines to prevent freezing. For extra protection, consider adding a small heater in the area during extreme cold. Proper insulation helps maintain efficiency and prevents winter damage.

How Do I Protect My Rinnai Tankless Water Heater From Freezing?

Drain the unit and insulate exposed pipes to prevent freezing in cold weather. If the unit has a freeze protection feature, ensure it is enabled. Keeping a small trickle of water running during extreme cold can also help prevent freezing.

What are the benefits of a Rinnai tankless water heater?

Rinnai tankless water heaters offer several benefits, including energy efficiency, continuous hot water supply, space savings, and a longer lifespan compared to traditional tank water heaters. They also provide lower utility bills by heating water only when needed.

Are Rinnai tankless water heaters energy-efficient?

Yes, Rinnai tankless water heaters are highly energy-efficient. They only heat water when it's needed, eliminating standby energy losses associated with traditional tank water heaters. Condensing models capture extra heat from exhaust gases, further increasing efficiency.

Can a Rinnai tankless water heater be installed outdoors?

Yes, Rinnai offers both indoor and outdoor models of tankless water heaters. Outdoor units are designed to withstand the elements and save space by being installed outside, while indoor models require venting for safety.

How much does it cost to install a Rinnai tankless water heater?

Installation costs for a Rinnai tankless water heater can range from $500 to $2,000, depending on the complexity of the installation, local labor rates, and whether any modifications are required to your plumbing or gas lines. It's recommended that you get quotes from professional installers for accurate pricing.

Do Rinnai tankless water heaters require maintenance?

Yes, Rinnai tankless water heaters require periodic maintenance to ensure optimal performance and longevity. Flustering the unit annually is recommended to prevent mineral buildup, especially if you have hard water. Rinnai also advises having the unit inspected by a professional periodically.

What is the Rinnai Smart-Circ™ technology?

Rinnai's Smart-Circ™ technology is a built-in recirculation system that reduces hot water wait times and minimizes water waste. It keeps hot water circulating through your pipes so it's ready when you need it, improving convenience and efficiency.

Are Rinnai tankless water heaters environmentally friendly?

Yes, Rinnai tankless water heaters are environmentally friendly because they use less energy than traditional tank heaters. The on-demand heating process reduces energy consumption, and their high efficiency helps lower your carbon footprint, especially with condensing models that maximize energy use.

Where To Buy A Rinnai Tankless Water Heater?

You can buy a Rinnai Tankless Water Heater at The Trade Table.