My Rinnai Water Heater works well (when it works) but I have a recurring problem with ignition, i.e., the heater won't turn on (Code 11). Our How to video just in case you want to do some maintenance on your own. Open up a hot water faucet to fire the unit. Still, the default temperature is 120 F, and by adjusting the dip switch, it can be changed up to 140 F. If during the freezing days, there is a power outage, make sure to disconnect the unit and drain all the water. 1. The in-line screen filter should be checked periodically for debris and cleaned. The date of production/manufacture or age of Rinnai® Water Heater(s) can be determined from the serial number. 2. Circ-Logic Technology allows you to purchase the pump separately for installation. Thanks to the modulating gas valve the heater increases or decreases its power during the heating process and based on the demand and set temperature. Rinnai tankless water heaters have an excellent warranty and last up to twice as long as a conventional model, reducing their operating costs even more. Select Rinnai tankless water heaters can provide faster hot water by recirculating the water through your plumbing systems, so hot water is always available whenever you need it. Again, if you want to choose the right tankless water heater to replace an 80 gallon tank water heater, you would need to determine the GPM and temperature rise first. Two flexible garden hose. Submersible pump. You can turn the unit ON or OFF, increase and decrease the temperature (in F and C). The gas burns as long as there is demand for hot water, or when the tap is open. Draining a tankless water heater is sometimes necessary, even when a unit has built-in freeze protection. To keep the temperature of the outgoing hot water constant, Rinnai adjusts the water flow since the incoming water temperature changes from summer to winter. The unit should be flushed periodically to keep it free of scale and lime, which can shorten the water heater’s lifespan over time. They require less maintenance, have an essentially unlimited hot water capacity, and account for a much smaller percentage of your utility bills.They also require fare less space, which can make a big difference in a small garage. Along with Rheem, EcoSmart, and Noritz, Rinnai is also a well-known brand in the tankless water heaters industry. How fast you will get hot water, depends on the pipe length between the water heater and the tap. Linking Policy, Need a Professional Installer? 2. âIâm not getting any hot water from my tankless water heater.â The problem behind the complaint? It was assumed that the valve was in OFF. Then when we turn the control back to a reasonable level, we lose hot water again. Services LLC Associates Program, an affiliate advertising program designed to 5 minutes or so should be enough in most cases. In the year 1960s, they have established the high-performance tankless water heater line in Japan. You can also set and change the temperature without a temperature controller. All rights reserved. Also Read: Bradford White Water Heater. Privacy Policy Wi-Fi capable, Rinnai water heaters are easily installed for new construction or retrofits, and can supply hot water to as many as 5 locations. Hello, my wife and I own a home with a Rinnai tankless water heater. Rinnai tankless heaters are smart; they use a small computer so they can supply hot water as long as it is needed, on demand and in continuous supply, and at a preset temperature. Turn the power off to the unit by pressing the "Power" button. Most indoor water heaters from Rinnai have the temperature controller MC-91-2 integrated into the front of the unit, while it is provided with the outdoor models. If you have a large house and you want to buy a big whole house tankless water heater, go for Rinnai RUR199. Diagnostic codes are shown as 03, 10, 11, 14... and every code means a problem, such as no flame, faulty sensors, vent blockage... Also, the controller can get you some interesting info such as the water flow rate or temperature of the outgoing water. The most advanced Rinnai tankless water heaters can diagnose the problem inside the unit and display the error code on the LCD screen. Here you go! What is the life expectancy of a Rinnai Tankless Water Heater? Is a tankless water heater a good investment? From its name, you might know that Rinnai is originally a Japanese brand. How to Flush a Rinnai Tankless Water Heater? Tankless water heaters outperform traditional tank models in many respects. If you lose power or plan on traveling for an extended time, it's a good idea to drain your unit, particularly if you live in a cold weather climate. To keep the temperature of the outgoing hot water constant, Rinnai adjusts the water flow since the incoming water temperature changes from summer to winter. Press and hold the ON/OFF button for a few seconds, and while holding, press the UP button. When you press the "Priority button", the green light will glow, indicating that the controller is controlling the temperature and that a water heater is ready. Rinnai products and the type of questions that many people have about them including warranty, life span, maintenance and others. connected, the Rinnai water heater produces hot water whenever a hot water tap is open. Your Air Supply or Exhaust is Blocked. You will see the last nine codes on display, flashing. This is a gas tankless water heater which was placed in the laundry room. What type of regular maintenance does a Rinnai Tankless Water Heater require. Run hot water from a nearby faucet. Below, we've highlighted what size water heater you would need in our example of 6.5 GPM at a 63° F temperature rise. Every part of a Rinnai Tankless water heater is replicable so components can be easily swapped vs. buying a whole new system. The only way to remedy this is to turn the control to hot, which is scalding. Can I use a Rinnai Tankless Water Heater on my houseboat or RV? Terms of Use Explore the most common tankless water heater problems, causes, symptoms and troubleshooting. Please contact an installer near you. Now it's time to wait. Rinnai water heaters work in the temperature range from 98 F to 140 F, while they come with the factory setting of approximately 120-125 F. There is also a temperature controller MCC-91-2 that is used mainly in commercial applications, for getting higher temperatures, where the maximum temperature is 185 F. A maximum of four controllers can be installed. A Rinnai water heater is getting electric power, the Rinnai water heater, for. 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