From https://www.justanswer.com/ythiJustAnswer Customer from Dunnellon, Florida: we have a rheem electric tankless water heater with E5 code and are not gett...Rheem tankless water heater gets code 90 when running multiple faucets. Thread starter heaterhome; Start date Sep 19, 2023; ... Points 1 Location 40502. Sep 19, 2023 #1 Hi everyone, I have a Rheem tankless water heater model ECOH200DVLN-2 which is only a couple of years old. It worked fine the first year and now it will randomly turn off about ...Hi Jim, I was wondering the same thing, and thought about it a bit, and asked for more information. MY guess is it could be related to a tankless style installed in one of the new Delta's.THE INSTALLER IF ANY ISSUES ARISE WITH TANKLESS WATER HEATER. YOU CAN ALSO VIEW A TROUBLESHOOTING VIDEO AT OUR WEB SITE. Step by Step Troubleshooting Guide ... U.S. DOE-Lowering the thermostat on your water heater by 10ºF can save you between 3%-5% in energy costs. Most households only require a water heater thermostat setting of 120ºF, or ...Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All …Rheem RTGH Series Super High Efficiency tankless gas water heater uses up to 34% less energy and is up to 34% more efficient than a 50-gallon tank water heater. RTGH Series emits up to 65% less greenhouse gas NOx compared to a 50-gallon gas tank.We've included some images of Rheem water heater labels below for your reference, but once you've located your serial number simply enter it in, click the "Check Serial Number", and our calculator will let you know just how old your Rheem water heater really is. Enter your Serial Number below. Sample Water Heater Serial Numbers ...Apr 4, 2021 · We have a rheem electric tankless water heater with E5 code and are not getting hot water. Its about a year old and - Answered by a verified HVAC TechnicianDo you know how to test a thermocouple on a gas valve? Find out how to test a thermocouple on a gas valve in this article from HowStuffWorks. Advertisement Inside your gas-operated...Rheem water. A102 code keeps coming on and it's not leaking, 1 year nad 2 weeks, a month, I tried resetting it but I - Answered by a verified HVAC Technician ... I have a platinum Rheem hot water heater that will not work. It's flashing 2 flashes ... Water is leaking. Rheem tankless gas(LP) Bought it 10 years.To adjust the flow rate, follow these steps: Locate the flow rate adjustment knob on the tankless water heater. Turn the knob clockwise to decrease the flow rate or counterclockwise to increase it. Test the hot water supply to see if the adjusted flow rate improves performance. Continue adjusting as needed.Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned ...That is why it is called two years old. Anyway, leaving the water on that long would certainly trip the thermal cutoff. Otherwise, there will be some voltage testing to do and trace the interruption. The electrician should be able to find the fault by using the wiring diagram inside the panel.First, unplug your water heater and verify the connection to the water temperature sensor. This can be done by disconnecting and reconnecting it several times. The sensor is located inside the water heater, at the bottom left, on your outgoing water line.If you’re considering an upgrade to your home’s hot water system, you may be wondering whether switching to a tankless water heater is worth it. While there are some definite advan...Rheem RTGH Series Super High Efficiency tankless gas water heater uses up to 34% less energy and is up to 34% more efficient than a 50-gallon tank water heater. RTGH Series emits up to 65% less greenhouse gas NOx compared to a 50-gallon gas tank.Encounter an error code on your Rheem 18Kw tankless water heater? Watch our step-by-step guide to troubleshoot and fix common issues indicated by error codes...Tank-Type Water Heating. The Basics Typically installed in the garage, basement or attic, tank-type water heaters use propane, natural gas or electricity to produce a large volume of dependable, low-cost hot water. Residential tank-type water heaters typically store between 20 and 80 gallons of hot water, usually at the factory setting of 120°F.Follow these steps to test your Rheem tankless water heater’s circuit board: Disconnect the power source from the water heater. Remove the cover and disconnect the remote’s wiring from the heater. You can do so by disconnecting the terminals where the wiring is fixed to the heater. Turn the power back on and test the water heater.Rinnai tankless code 11 no hot water issue fixedTankless descaler - https://amzn.to/3B6zZqKTankless descaler kit - https://amzn.to/3LOuOAJ Rinnai tankless - ...My rheem tankless water heater sends code 90 flashing. Itstarted after power outaga today during snow strorm. If - Answered by a verified HVAC TechnicianEcoSmart ECO 36 is a 36-kilowatt electric tankless water heater ideal for providing hot water for apartments, condominiums, townhomes and other whole home applications. It can provide between 3.6 and 8.7 gallons-per-minute depending on the inlet water temperature.Proper gas pressure on a tankless water heater is the criteria you must meet to ignite the unit like a charm. The correct inlet gas pressure range is 4.00″ w.c.- 10.5″ w.c if you power the heater with natural gas. On the other hand, if you fuel up your tankless water heater with LP gas, the inlet gas pressure should be 8.00″ w.c-13″ w.c.Follow the below steps to clean your exhaust pipe easily: Turn off the navien tankless heater by pressing the power button and removing the power cable from the power source. Also, turn off the gas supply. First, look for any clogs on the outer end of the exhaust pipe. Clean any debris or blocks from the pipe using a brush or a vacuum cleaner.Rheem tankless water heaters are an efficient and reliable way to provide hot water for your home. However, like all appliances, they can experience issues that require troubleshooting and repair. OneRheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned ...CANADIAN DEALS! RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. Our prices verses the exact same model at Homedepot.ca . RUR199iN - $2,899 - Nat Gas Compare at $3853 - SAVE $954Disruptions in Gas Supply: Interruptions in the gas supply, whether from the utility company or due to leaks in the home's gas line system, can cause the water heater to display Code 12. Ignition Failures. Another significant cause of Code 12 is issues with the ignition system. The water heater relies on this system to ignite the gas and produce a flame.Prestige Instant Water Heater. Whisper quiet DC pump (on select models) Continuous hot water. 3-in-1 Rheem compact valve. 5.00 (2) Click to Learn about this Product. View Documents. Rheem's electric instant tankless single and multipoint water heaters supplies endless hot water instantly for the best shower experience.Introduction to Rheem Tankless Water Heaters. Welcome to the world of Rheem tankless water heaters, where hot showers and endless streams of warm water await! These innovative appliances have revolutionized the way we experience comfort and convenience in our homes. But like any technological marvel, they too can encounter hiccups along the way.Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned ...It's been working well and then out of the blue, when turning on the hot water the control panel would beep and display E5. So, no hot water. It turns out this was right after a major rain storm. The solution I found is in the pictures: All you need is a philip head screwdriver. 38467 38469.Tankless water heaters have gained popularity in recent years due to their energy efficiency and convenience. If you’re considering installing a tankless water heater in your home,...We'll go over the most common issues you can face with your Richmond tankless water heater in this section. Note: Read our ultimate guide on Richmond gas water heater troubleshooting and how to fix it. 1. No Hot Water. There are plenty of reasons that can cause no hot water issue in your tankless water heater.How to Reset Rheem Tankless Water Heater. Reset the unit to delete the code via these steps: Switch on the heater circuit breaker. Next, pry open the panel cover and locate the reset button. Push the button until it clicks into place and opens. Furthermore, reconnect the gas valve. The heaters should power on.For people using gas water heaters, two options are offered--natural gas or propane. According to Energy Star, 15 percent of a home’s energy use is attributed to heating water. Bot...About This Product. Upgrade your home with this EcoSmart ECO 27 Electric Tankless Water Heater. This tankless hot water heater is great for apartments, condos and townhomes. The compact tankless unit can provide 2.7 to 6.5 gallons-per-minute depending on the inlet water temperature. To select the best solution for your hot water needs, please ...Step #1: First, take off the front cover from your tankless water heater system. Use a normal Phillips screwdriver and remove all the screws on the front cover. Step #2: Now move to the PCB from the bottom of the inside. Locate the dip switches at the top left-hand side of the PCB.Rheem Residential Water Heaters. With a full line of Rheem ® tank and tankless water heaters to choose from, there’s sure to be one that’s the right fit for your family. Whether you need high water delivery or low energy costs—or both, we have your next water heater. Be sure to browse our impressive line of sustainable, high efficiency ...Step #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. Step #2: Now shut off the power supply to your tankless system. Switch off the unit from the control panel. Step #3: Then, disconnect the cord from the power connection.Turn down hot water at the tap or in the shower in order to reduce volume flow. Or mix more cold water in faucet. 2. Potentially retrofit a volume flow throttle into the water system. This must be performed only by a certified service technician. Too much lime scale in the appliance. Decalcify your water heater. See "Cleaning and Maintenance ...Remove the access cover on the heater’s side by unscrewing the screws. Locate the thermostat dial. Insert a flat-head screwdriver through the thermostat dial. Rotate the thermostat to achieve your desired water outlet temperature. Replace the access cover and turn on the breaker. 2. A Clogged Neutralizer Is Causing Rheem Tankless Code 29.For units that are 30 days from install forward pictures/video to [email protected] to determine if the unit must be returned to Rheem for testing.. Residential water heater installed anywhere other than a single-family dwelling: The Application Warranty Periods will be limited to 12 months from the Effective Date for both tank and parts in all cases (in all locations regardless of who ...By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. The most common codes include Codes 5, 11, 13 ...The burner tubes get clogged up. You need to remove the burner and unscrew the jet and clean it with a tip cleaner...reinstall and your good to go..Parts Exploded View for RTG 74DV and GT 199DV. 80. Parts Exploded View for RTG 74X and GT 199X. 81. Advertisement. Rheem RTG74 Pdf User Manuals. View online or download Rheem RTG74 Troubleshooting Manual.Everything works on our r94ls tankless water heater; however, about once a day code "10" comes up and it quits working. When you restart it, it works fine. I have cleaned out the exaust/intake the bes … read moreStep #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. Step #2: Now shut off the power supply to your tankless system. Switch off the unit from the control panel. Step #3: Then, disconnect the cord from the power connection.Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All pros listed are independent dealer-owned ...Electric. Water Connection. 3/4 Inch. Turn On (GPM) 0.3. Flow Range. .3-7.0 GPM. Reviews. Rheem RTEX-18 240V 2 Heating Chambers Residential Tankless Water Heater Rheem Indoor Electric Tankless Water Heater -Free Shipping and In Stock at $477.0100 Rheem Electric with 75AMPS Rheem UPC020352685335 Electric Indoor Tankless Water Heaters - Top Sel.The Richmond Marathon ® water heater offers a LIFETIME warranty. The Marathon is a special water heater that has a seamless blow molded polybutene inner tank. It will not rust. The several inches of foam insulation give it up to 0.93 uniform energy factor. Tank sizes range from 15 gallons to 105 gallons to fit any household need.My rheem tankless water heater gives a code e5 when trying. My rheem tankless water heater gives a code e5 when trying to turn my hall bath shower on. The kitchen sink stays hit andnits only 5ft away ...Water heater can’t heat water below a certain temperature at a fast enough rate, so it shoots off the E5 code and just warms the water instead of attempting to keep up. I did …Tankless Gas Water Heaters are cost saving and energy efficient. Reduces Energy Consumption - Automatically adjusts the amount of energy required to heat the water you need. Easy, Convenient Control -Easily adjust water temperature ranging from 85˚F-140˚F. For use outdoor with freeze protection up to -30 degrees.-Tank-type water heater maintenance is less frequent: once every 2-3 years, unless unit is hybrid or condensing etc. -Tankless warranty period is NOT longer than warranty for tank-type water heaters. -Tankless cannot be exposed to more than 11 grains hardness in water, or parts will fail. All costs are energy: Expected energy savings for ...Rheem® Water age. How to determine the date of production/manufacture or age of Rheem ® brand Water Heater Systems. Water heaters in general have an average estimated useful service life of 10-12 years, though water quality, routine upkeep/maintenance, and location of the water heater will all play critical roles in the longevity of these ...Encounter an error code on your Rheem tankless water heater? Watch our quick troubleshooting guide to understand what each error code means and how to fix it...Here are the step-by-step solutions for each potential culprit: 1. Check the Gas Supply Valve. Start by ensuring that the gas supply valve to your Rinnai tankless water heater is fully open. A partially closed valve can restrict gas flow and lead to an ignition failure, triggering code 11.Aug 8, 2022 · It’s great that you found the Rheem Performance 36 kW Self-Modulating 7.03 GPM Tankless Electric Water Heater easy to install and adjust. Your positive experience is a testament to the user-friendly design of this product.First, unplug your water heater and verify the connection to the water temperature sensor. This can be done by disconnecting and reconnecting it several times. The sensor is located inside the water heater, at the bottom left, on your outgoing water line.Rheem Fault Code E5. Fault: Evaporator coil temperature sensor T2 open circuit or short circuit ... Applies To: Rheem Tankless. Your Rheem water heater has an ...I have a Rheem electric tankless water heater once in a while it will show a code E5 I'm wondering what that means I've been through the pamphlet and can't find anything about it … read more BillyHvacI put a tank less water heater on my campper was working good for the last few months now ever time I take a shower our was my hand it gives me a e5 code I work at ...Solution. Follow these steps to solve the above problem: Check the water flow. Manage to adjust the water flow rate according to the heater’s needs. Check the pressure of water by using a pressure regulator. Keep it between 14 psi (minimum range) and 40 psi (maximum range). Set the water flow rate up to 0.66 GPM.Toll free 1 800 374 8806 10. Trouble shooting guide 10. User interface 11. Ce produit doit être installé par un électricien et un plombier qualifié conformément à l ensemble des normes des codes nationaux régionaux provinciaux ainsi que les codes électriques et de plomberie 13. Chauffe eau électrique sans réservoir 13.CANADIAN DEALS! RINNAI TANKLESS - Prices have dropped and there are decent deals to be had now!. Our prices verses the exact same model at Homedepot.ca . RUR199iN - $2,899 - Nat Gas Compare at $3853 - SAVE $954; RUR199iP - $2,950 - Propane Compare at $3777 - SAVE $827 -- OUT OF STOCK ; RU199iN - $2,550 - Nat Gas Compare at …As plumbers and builders are working tirelessly to restore the water supply to Texans in need, Rheem is working in parallel with its suppliers to expedite both tankless water heaters and replacement parts to the Texas market. As a result of the winter storms, we expect to see an increased demand for tankless water heaters and replacement parts.This energy-efficient tankless water heater delivers an endless hot water supply and consistent temperature ... Rheem. Performance 18 kW Self-Modulating 3.51 GPM Tankless Electric Water Heater (2345) Questions & Answers ... My rheem tankless water heater gives a code e5 when trying to turn my hall bath shower on
01. Rheem Water Heater Flashing Red Light 1 Times. Blinking red light 1 time every three seconds represents your water heater is functioning in its tip-top condition. It indicates the temperature knob is in the pilot position and it stays lit. In short, 1 flashing red light stands for normal water heater operation.Richmond rmtex-18 E5 Code. Hey all, just installed a new tankless water heater and am getting the high flow code of E5 at higher temperature settings and faucet count. I know that is perfectly normal behavior if you're demanding too much hot water. My possible solution is to branch off the hot water out and recirculate it back into the cold ...How to Troubleshoot the E5 Code in Rheem Tankless Water Heaters. When your Rheem tankless water heater displays an E5 code, you’re facing a potential maintenance issue. Here’s how to tackle the problem efficiently. Check the Air Filter The first step is to inspect the air filter.Professional Classic Series: RTEX-24, RTEX-27. ON/OFF Dial Control with adjustable digital temperature display. Self-modulating power control. 24kW Model Flow Rate: up to 5.9 GPM. 247W Model Flow Rate: up to 6.6 GPM. Bottom 3/4" NPT water connections.By displaying a code on your tankless heater, you, or a professional, can read the code to understand what went wrong and how to fix it. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. The most common codes include Codes 5, 11, 13 ...Aug 8, 2022 · It’s great that you found the Rheem Performance 36 kW Self-Modulating 7.03 GPM Tankless Electric Water Heater easy to install and adjust. Your positive experience is a testament to the user-friendly design of this product.From https://www.justanswer.com/ythiJustAnswer Customer from Chicago, Illinois: What does an error code on Rheem tankless water heater h103Pearl Wilson: Assi...After just a few years of using the RTEX-24, this heater will pay for itself in energy savings. Pros. Instant, continuous hot water to your whole house. Small form factor, easy installation. Digital temperature display. Self-modulation that adjusts power to meet hot water demand. 99.8% energy efficient. Cons.Rheem Main Remote Control UMC-117 Won't Turn On. Remove the remote control and check the wires in the back - they should all be properly connected. Turn off the power to the device, wait for a few minutes, and turn the power back on. If that did not resolve the issue, you can try unplugging the water heater, turning off the hot water that ...The Rheem IKONIC Condensing Tankless Water Heater works like a Rheem condensing tankless unit with a slightly different process and added benefits. A tankless unit heats water as needed instead of storing hot water in a tank. Combustion gas heats the water as it goes through each heat exchanger. Rheem condensing tankless units have an "Up ...Rheem RTG-95XLN-1 - Mid Efficiency 9.5 GPM Outdoor Natural Gas EcoNet Enabled Tankless Water Heater- **Image may not represent actual product.** Rebate Your local utility company may offer a rebate when purchasing this unit. You can search for rebates in your area from here. Rheem RTG is a series of ultra low NOx, mid-efficiency tankless gas ...This manual is also suitable for: View and Download EemaX HA018240 instructions & home owners manual online. Tankless Water Heater. HA018240 water heater pdf manual download. Also for: Ha024240, Ha027240, Ha036240.My thankless water heater display the code H103 Po 36 and 5103 can you help me please or point me to the height - Answered by a verified Plumber. By chatting and providing personal info, ... I Have Rheem tankless water heater with code P036 and 5 103, PO36 and r 446 ...View and Download Rheem EcoSense ECOH200DV Series use and care manual online. 94% CONDENSING TANKLESS WATER HEATER. EcoSense ECOH200DV Series water heater pdf manual download. Also for: Ecosense rtgh-95dv series, Ecosense rtgh-95x series, Ecosense ecoh200x series, Paloma phh-32rdv...If your heater doesn't heat then check for the power supply and heating element. Replace them if necessary. Again if the indicator light doesn't turn on then reset it or change the bulb if the bulb is the problem. For brown water and odor, replace the anode rod. This is just the beginning.The Rheem RTGH biogas condensation tankless hot water tank as well as the Rheem RTGH propane concentrating tankless hot water tank are two examples of the comprehensive range of water heaters offered by Rheem.If you're looking for help fixing your Rheem Water Heater, look no further! Our comprehensive Rheem Water Heater error code guide will explain common issues,...Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. * All …The Rheem tankless water heater code 76 may be caused by a defective remote control, faulty remote control wiring, or a faulty filter capacity. Solutions include replacing the remote control's wiring, changing the remote control, or changing the capacitor. In the rest of this article, I'll discuss the causes of Rheem tankless water heater ...This guide on Rheem RTEX-18 Troubleshooting will break down: Note: This is an electric tankless water heater. If you have a gas unit, read this article on the Rheem Tankless Water Heater Troubleshooting Manual. Rheem Rtex-18 Troubleshooting: Common Problems & Solutions Here are the common problems you might experience: 1. …Bypass the water softener by pushing the handle in on the back of your unit. This will stop water from coming in or out of the softener while you work. If you have a blending valve, make sure it's closed so no hard water is coming through. Refer to What is a Blending Valve for instructions. 2.Read More Rheem Tankless Water Heater E5 Code (Too Much Water Flow) Manual & Troubleshooting | Tank Water Heater Troubleshooting. Honeywell Water Heater Status Light Codes. By Eric Alvarez. This is a complete guide on Honeywell Water Heater Status Light Codes. In this article, what I am going to cover: So, let's get started right here.Common Causes of Code 13. When a Rheem tankless water heater displays a Code 13 error, it’s alerting you to a specific set of issues that can disrupt its operation. Understanding these causes is the first step in troubleshooting the problem. Let’s delve into the common reasons behind Code 13 and how they impact your water heater’s ...The sensor is located inside the water heater, at the bottom left, on your outgoing water line. The comprehensive troubleshooting guide has pictures of this sensor and its connections. Related ArticlesSave energy and costs with this Rheem Performance Electric Tankless Water Heater. This compact heater can be installed under a cabinet or sink with no venting required. It uses a 3 x 49 amp double pole breaker to give you continuous, instant hot water when needed.Error code E5 indicates a problem with the water flow rate, the combustion alarm, or the main burner or pilot. Learn the possible causes and solutions for this common …Mike is an appliance repair guy who has helped countless people fix issues with their home appliances. He is an expert in his field and knows everything there is to know about appliance repair.Save energy and costs with this Rheem Performance Tankless Electric Point-of-Use Water Heater. This compact heater can be installed under a cabinet or sink in your office, home, RV or boat. It uses a 1 x 60 amp double pole breaker to give you continuous, on-demand hot water when needed.It's been working well and then out of the blue, when turning on the hot water the control panel would beep and display E5. So, no hot water. It turns out this was right after a major rain storm. The solution I found is in the pictures: All you need is a philip head screwdriver. 38467 38469.Highest rated Rheem water heater: https://amzn.to/496pEdBWhat does a code E5 mean on a electric tankless water heater. ... We just installed a Rheem tankless water heater and are not getting any pressure from the hot water side ...Remove the access cover on the heater’s side by unscrewing the screws. Locate the thermostat dial. Insert a flat-head screwdriver through the thermostat dial. Rotate the thermostat to achieve your desired water outlet temperature. Replace the access cover and turn on the breaker. 2. A Clogged Neutralizer Is Causing Rheem Tankless Code 29.Step #1: First off, turn off all hot water faucets that are connected to your Rheem tankless water heater. Step #2: Now shut off the power supply to your tankless system. Switch off the unit from the control panel. Step #3: Then, disconnect the cord from the power connection.My Raheem tankless water heater is reading E5 JA: Is your water heater gas or electric? How old is it? Customer: electric JA: How long has this been going on with your water heater?Below are what it means when code 11 displays on your tankless water heater: #1. Heater not Receiving Enough Gas. When there’s a code 11 on your heater display, checking your tank for gas is the first step. If the tank is empty or there’s an obstruction to the flow, the burner won’t light up. #2.Dec 9, 2023 · What does a code E5 mean on a electric tankless water heater mean? Contractor's Assistant: A Plumber will be able to help you understand what a code E5 means on your electric tankless water heater and provide a solution. Can you provide the make and model of your electric tankless water heater? Reheem performancePossible Causes & Solutions for Rheem Tankless Water Heater Code 11. Problem. Main Fix. Restricted Gas Flow. Open valve completely or replace gas valve. Defective igniter. Replace igniter. Defective circuit board. Replace circuit board.Richmond rmtex-18 E5 Code. Hey all, just installed a new tankless water heater and am getting the high flow code of E5 at higher temperature settings and faucet count. I know that is perfectly normal behavior if you're demanding too much hot water. My possible solution is to branch off the hot water out and recirculate it back into the cold ...Hello! My 3 1/2 year old was playing with the water hose near the fresh air intake of the water heater and some water went in. Now no hot water with a code 45 (water leak detected) I took cover off and cleaned out all visible water. Now have a fan running in there to help dry out. After a little while and a couple of re initializing the unit I ... Head to the electric panel and locate the water heater circuit. If it has flipped