Endless Support. Shop rinnai tankless gas plastic water heater controller in the water heater accessories section of Lowes.com Ensure that the length of the venting pipe is within limits. Explore common tankless water heater problems; causes, symptoms and troubleshooting tips. Gas valve does not provide enough pressure; either due to the low gas pressure or if it is not open fully. The mini tank will always have hot water ready and deliver it to the shower before the tankless warms up. Rinnai takes great pride in providing our customers and business partners with world class customer service. If the temperature sensor is broken, or it is not correctly positioned, try to either re-position it, so it is firmly attached to the pipe or replace it with a new one. The water heater will go straight into a code 12 or 19 depending on model number of water heater. Unstable burner flames due to the improper venting, lack of combustion air and gas pressure. We returned home yesterday from a weekend trip to find one of my Rinnai R85e water heaters not working. We have a bathroom about 70 feet away from my Takagi tankless heater. Ensure that the water pressure from the utility company is as required. In March 2016 we had to replace the ignition switch. Since Rinnai water heaters are one of the most advanced tankless water heaters available, we recommend to contact a service technician that’s authorized to work on Rinnai water heaters. In this case, the fan motor runs for some time to force the exhaust gases out through the vent system. ... Water Flow Control Assembly Kit 104000018-K Water Flow Control Assembly Kit. Sediment and limescale build-up inside the heat exchanger. Unfortunately the Rinnai heater is not “connected”, meaning that it is not possible to control it over the network or integrate with it on its own. Read Article RINNAI strongly suggests that you only purchase our products from RINNAI Independent Dealers and that you have the products installed only by licensed professionals who have attended a RINNAI installation training class.licensed professionals who have attended a RINNAI installation training class. Some Noritz problems can be fixed by a typical homeowner with a basic set of tools while others will require the services of a licensed professional. See how a Rinnai tankless system heats water only when it is needed. Ensure that the flow sensor is working correctly. If not, check this article that deals with the ignition failure problem. Reduce the temperature to avoid the problem with the scalding hot water, energy waste, and high operating costs. It doesn't happen often but just in case you have trouble with your Rinnai INFINITY gas hot water appliance, here are some handy go-to tips. 3/4" Hot Water Supply Line For Building Fixtures This is not an engineered drawing. Water flow might be reduced when the water filter or fixture aerator are clogged. Clean the fixtures. Increase the temperature to approximately 125-130 F, or higher if needed. If you are the owner of a "smart" tankless water heater from Rinnai, Noritz, Paloma, Bosch, Takagi or similar, this troubleshooting guide is for you. Another "unusual activity" can be a white smoke that comes out of the exhaust vent, and can be seen during the cold weather, when the temperature of the exhaust gases is much higher than the temperature of the air. Rinnai, OEM Parts, HVACR Parts, including Ignitor, Flame rod, Overheat switch, Flame rod, Overheat switch Rinnai US sells a “ Control-R Wi-Fi ” module (model “RWM101”) which is an official product that you connect to your heater so you can control it over the network with an app. Check the gas burner and does the flame rod generate sparks when the unit is turned on. Immediate code 12 or 19 no flame visible in burner box; This code appears when you first turn on the water supply. An error code can appear due to many reasons, from a simple spider web and air/exhaust blockage to more serious gas or exhaust leak. Most tankless water heaters are equipped with a diagnostic system that incorporate the microprocessor and LCD screen, which displays an error code if the problem occurs. By keeping the flow rate above the minimum required, this and many other problems might be prevented or resolved. Water temperature is set too low. The first things you should check are the correct supply of electricity, water, and gas to the water heater. They offer virtually unlimited, well-heated water for hour-long showers, many daily loads of laundry, and even outdoor hot water uses. If you need help, follow this link, fill out the form and get up to three FREE quotes. The list of the error codes can be reached if following the provided links below. It provides a continuous supply of hot water at a preset temperature. It is ether too hot or too cold. Copyright 2021, Rinnai America Corporation. If the water heater was used before your shower, some hot water remained from previous use – and that is what you felt. While we always welcome feedback and questions, we have compiled some resources that you will find helpful in operating and servicing our products. 2. Checkpower supply (Plug another appliance (ie hairdryer) into power point and test. …, gas does not ignite Hello, Tankless water heaters have a built-in PC board and digital remote that need electricity to operate the water heater. By default, the Rinnai RU180iN Tankless Water Heater caps its heat at 120 Degrees Fahrenheit. my tank less gas water heater was working fine, this one works on the water flow principle, if the water flow and pressure is sufficient, the …, When We First Turn On Hot Water We Hear This Loud Noise Outside We have an external Hot Noritz tankless water heater that was installed in May of 2008. Due to the long water pipes, cold water that resides inside must be pushed away before hot water reaches the fixture, affecting the comfort. Rinnai tankless water heaters provide an endless supply of hot water that remains uninterrupted, even when you're the last one in line for the shower. Rinnai takes great pride in providing our customers and business partners with world class customer service. You might want to proceed with descaling and flush all the deposits. Make sure that the shut-off valve, is not closed. Make sure there is no plumbing crossover when cold water mixes with hot. The new Control-R™ Wi-Fi Module attaches easily to the Rinnai Tankless Water Heater by a two-wire interface quickly connecting through your Wi-Fi network for monitoring. The control pad was dead so I took the front cover off of the unit and found both 3 amp fuses had blown. Discover why millions of families rely on their Rinnai tankless water heater and home heating gas appliances for total home comfort. The Rinnai water heater is one of the most advanced water heaters available. Stainless steel heat exchanger and internal piping; Inverted burner, burner cleaning no longer required Let's find one nearby. Alternatively, it takes too long to get the hot water at the fixture. Press the Priority button´ on the temperature controller. Recently the temperature started fluctuating up and down and has been getting continuously …, Hot water takes long to reach  Not rated yetI have a Rinnai Tankless gas water heater. Page 36 Guidelines: • The module must be installed indoors (including outdoor water heaters). 3. If after 10 minutes or so, there is still a flow of water you have a problem with the crossover. Tankless water heaters are durable and long lasting units that do not require much maintenance. How to display diagnostic codes. Is the gas line sized correctly? 1. One of the most frequent complaints I have seen in many reviews and forums, is: "I didn't get hot water instantly." If there is sediment buildup, you must perform the flushing and descaling. Filter. Make sure that the shut-off valve, is not closed. Check if the showerhead or hot water tap is clogged as it will reduce the water flow. sites, tankless heaters equipped with the recirculation pump, Cold water sandwich or hot water temperature fluctuates, Does my tankless water heater need a filter. No more heating unused water! Available as an external unit (N56kWe) or an internal unit (N56kWi). For most tankless water heaters, the display with present an error code to inform you that your air supply or exhaust is blocked. SKU: 104000018-K. This is not a "problem" so do not spend hours trying to find the solution or calling the “expert.”. Everything …, Vibrating noise in the pipes We had our Noritz tankless installed professionally about 4 months ago. Cold water sandwich is the situation when, for example, you turn on the shower and get warm water at first, then a blast of cold water, and warm again. Hot water not hot enough for you? Check if the gas line is adequately sized and for the maximum BTU. Energy Efficient Promise Tankless water heaters avoid the need to keep a large amount of reserve water heated at all times. Has been working great. The trapped water is now gone, but the heater still didn’t heat water that fast, so you were exposed to cold water. Is the flow rate over its recommended minimum? Some problems are possible to fix only with the right tools and skills, so to keep the warranty valid and unit functional, it is at your best interest to contact a professional plumber. The time it takes to deliver hot water from the heater to the fixture depends on the pipe length between these two points, unless the recirculation system is in place. All rights c. Voltage output to gas valve from PC board could be incorrect or intermittent due to a bad component on PC board, replace PC board. If the water heater is off, press the ON/OFF button to turn on. The temperature is set too high. The first things you should check are the correct supply of electricity, water, and gas to the water heater. It is essential to understand that tankless water heaters are not instantaneous; therefore, they do not provide hot water as soon as you open the tap. First, inspect all vent pipes to ensure they are … Once connected and the free Rinnai app is downloaded, the Rinnai Tankless Water Heater can be controlled from your smart phone or … Is the water filter on the cold water inlet clean and free of debris? Moisture resistant plastic case; Use up to 4 touch pads with each Rinnai unit; 98° to 140°F temperature range; In use indicator Is the minimum water flow rate achieved? Check out the output temperature sensor; it might be broken. Check if the flame rod and wiring harness are operational, not loose, not in a right spot or damaged. "Hot water is not delivered instantly," and other common tankless water heater problems are listed below: Some of these problems are easy to fix, some are not. It, always turn off gas, and it ’ s often taken for something. Problems in water heating systems on demand when the unit is turned on and delivered to a unit!, it takes too long to reach and even outdoor hot water is a direct vent appliance air! 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