Check to see if the warranty is still valid and contact the manufacturer. I recommend you disassemble the recirculation pump from the unit and inspect it carefully for foreign materials. sounds like you need a different plumber to assess your situation. The heating supply thermistor is defective. Then, you can change the tank thermistor if needed. Grundfos water recirculation pump may troubleshoot sometimes. You can contact a plumber if necessary. Does anybody have any thoughts of what I should get checked out? Then, tighten up the cap again once you remove all the air from the loop. This time of year, we dont need to have instant hot water circulating so we turned off the pump. Your article ended saying All in all, its important to understand that recirculation pumps are worth the money. Close the cold and hot water inlet valves and then drain the water heater. The operations manuals above cover all Navien NPE-A and NPE-S series condensing tankless water heaters. Additionally, you can install a 5-micron filter in the water inlet right before the heater to remove impurities from the water. If required, replace the thermistor. Get a sump pump and connect the cold service hose to the sump pump. The estimated annual operating cost of the Navien tankless water heater, based on the yearly estimated residential use per US Energy Department test criteria, is $191. To reduce that time significantly (and stop needlessly wasting water), we can install hot water recirculating pump. These are the kinds of issues that can occur if you aren't aware of the automatic appliances that are connected to your system (and don't shut them off along with the water). Connect a regular garden hose to the hot side service valve. The large valves should be in the off position, whereas the service valves should be in the on place. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. Then, turn it on again. Rather than using the hard wired door bell style push button that comes with the kit, I bought this remote control unit (. Learn more about Stack Overflow the company, and our products. This serves two functions: This is also true for tankless water heaters. If we take that the average price of water is $0.18/gallon (according to Statistas 2019 study), heres how much you can save on water with a recirculation pump: Water Savings = 2,920 gallons/year * $0.18/gallon = $525.60/year. Thats kind of why the water heater still has to do some work (it turns on); its not a lot of heating but some heating is usually required. Wash it under the water with a brush, let it dry, and then place it back. Maintaining Your Central Heating Pump | Living by HomeServe Make sure to follow our instructions properly for the right application. We turn it off because it will waste gas. Is a Hot Water Recirculating Pump Worth It? 10 Pros and Cons - Your H2Home Most of information is available in the install manual but some of it requires a phone call to Navien support. Because a water recirculating pump provides us instant hot water. Generally, your Navien recirculation pump will produce a humming noise because of the wrong size primary loop, not purging the recirculation pump, or foreign materials getting into the pump. Here is a list of advantages associated with hot water circulating pumps: Now lets have a look at the disadvantages of these pumps: Needless to say, recirculation pumps are not free. How Does A Hot Water Recirculation Pump Work? Now you have your socket, turn it off/on whenever you want! Hopefully its clear which is which when Im down there. What I imagined would happen is 3-4 seconds of cold and then super hot water that was just waiting for me from the recirculation. On top of that, the recirculating pumps also return the cold water in the pipes back to the heater. Now, that comes to the question, can I turn off my hot water recirculating pump? You also have to flush the heat exchanger. Because the recirculation pump ran with no water, the motor ended up burning out. Foreign materials like small pebbles may get into the recirculation pump. Manage Settings However, whenever I turn on the cold water at the kitchen sink the tankless unit starts to run (heat water) even though I dont want heated water. Another sign is the error code display. All you have to know is how to turn it off. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Advantages and disadvantages of hot water circulation pumps. Putting one recirc line in won't turn a line and branch system into a loop system automatically. We might be able to do something about it. Once the display stops flashing, the temperature setting is stored. This propels the water to your faucet or shower much quicker. Worst case is your plumber might have to call since they require them to maintain it. How? The Navien is smart enough to stop recirculation when it recognises hot water has made the entire loop. If that fails, then the pump impeller might have disintegrated or the system water pressure may be below 0 at the pump suction causing the pump to cavitate. There is some issue with the front panel key. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Perhaps not everyone is familiar with the newer manual. This gives you a negative return on investment (ROI), so. toby sutton wife of frank sutton how to turn on navien recirculation pump Please see below for important warranty information and a list of models that this part fits. Turn the unit off. Do you want to know the details? Lets start by looking at how these pumps actually work: If it takes forever for the hot water to start running, it usually means that there is a long pipe between a boiler (or a hot water heater or tankless water heater) and the faucet. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Those are quite significant savings. I've bled the system top and bottom and even removed the return line then switched to internal pump yet it still makes this noise. You can turn off the recirculating pump in various ways. Hi: I am contemplating getting the NPE-180A and controlling the pump with a remote control in each bathroom. Weve tried to include every concern you might have regarding turning off the water recirculating pump. rev2023.3.3.43278. How is an ETF fee calculated in a trade that ends in less than a year? Hi. For example, you may damp it into a bathtub, pushing the water through the isolation side on hot. If the issue persists, contact your original installer or an NSS to service the sensor. Watt recirculating pump installed on the water heater (pump plugged into standard 110/120V outlet, 3/4-inch pipe thread connectors, valve). Examine and wash the intake air filter underneath running water using a toothbrush. Why Does My Stiebel Eltron Tempra High-limit Switch Keep Tripping. Hello Irving, Trutankless is an Arizona-based brand of tankless water heaters with built-in recirculation pumps. Also, did you wire the PB from the Hot Button kit or only use the remote? If water comes out from the pressure relief pipe, this indicates that the issue is not with the unit but with the house's plumbing. In large systems, however, it may be advantageous to use controlled pumps to enable adjustment of the flow when starting up the system and to be able to apply temperature control. First, place a thick rubber between the pump and anything it will be mounted on. Does It Save Money? It usually occurs due to an open or shorted sensor. Navien Recirculation Pump Noise [4 Easy Solutions], 02. It provides information about the problem with the fan motor. Privacy Policy. Remove the front cover of the water heater. Then check to see if the plumbing lines and the heaters water lines are clogged. The setup is correct and the only two settings you need are P.12 for recirculation time and P.16 for length of recirculation line from farthest point in the house. The function of a recirculating pump is to ensure that hot water is always available as close to the consumption point as possible, in order to reduce water waste and to increase comfort. When I hooked hoses to the service pipes, the system still produced a strong, steady flow of water, seeming to not drain. Navien NPE-240 A Recirculation Line www.amazon.com/shop/miheatingguy Milwaukee 2131-20 M18 ROCKET Dual Power Tower Light Hot Water Recirculating Loop Owen Perkins 81K views 3 years ago NAVIEN. Navien NPE-240 A Recirculation Line - YouTube Disconnect the power supply to the water heater. (+ Installation Costs), How Many Amps Does A Tankless Water Heater Use? Most importantly, the installer fails to mount the pump on the vibration isolators. Flush the vinegar out of your water heaters. Otherwise, this will cause the shut-off valve to get damaged. This is where the timer and temperature sensor come in. I agree the user manuals are very helpful. You need a check valve on the cold inlet 3/4 pipe also from the looks of the picture, you do not have a true designated recirculation line from your furnace fixture. That means that all the costs of the hot water circulation pump are covered by the water savings. For example, you will see Navien error code 003 on the display screen, which means the igniter is malfunctioning. Can I Turn Off My Hot Water Recirculating Pump? [Answered] I am having issues with it ever since: water to certain places in my house seems to just stay warm (kitchen sink and master bathroom) unless I fully open the faucet all the way on hotand then still I have to wait a minute plus for the water to heat up. How can this new ban on drag possibly be considered constitutional? Hot Water Recirculating Pump: What You Should Know - Best San Diego and our Ensure you mount the pump securely. Turning off your water recirculating pump reduces damage. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. We always take the pros vs. cons approach because nothing is perfect. SEER = (1 EER100% + 42 EER75% + 45 EER50% + 12 EER25%)/100, Total Heat (BTU/hr.) Ensure that all hot water faucets are closed, and ensure that the internal circulator and any external circulating pumps are off. We have some suggestions for you if you want to buy the best wifi sockets. This depends on how long you leave it on and how often you use it. However, if it generates annoying or buzzing noise, there is something wrong with the system. Some sort of noise out of your Navien recirculation pump is normal. So, there is such a thing. Empties the water pipes so the next time youll need hot water fast, it will meet less resistance in the piping and it will arrive at the faucet in a matter of seconds. Pump the white vinegar into the cold side, up through your water heater, and out the hot side. You can replace the sensor if needed. Navien tankless water heater recirculation | 2016-04-01 | Plumbing and We dont. Is this incorrectly installed? Why do small African island nations perform better than African continental nations, considering democracy and human development? I have the newest version pcb since I just bought the tankless. Think hot water loops returning to your boiler to get reheated (to stay hot) Think LOOPS!! Just locate the air bleeder valve on top of the recirculation system. Make sure the major electrical cord is grounded correctly. Unplug the power to your Navien water heater. The default setting is usually around 120 degrees Fahrenheit. How do I align things in the following tabular environment? Besides, the E782 indicates that there is something wrong with the main panel communication. Typically recirc lines connect at the furthest fixture and allows hot water to flow through the main trunk lines. Check to see if the water valves are open. Turns out, make sure you isolate the recirculation pump from the vibration. Question: Can a recirculating pump last for 10-15 years?Answer: If you use it properly, it should last at least 10-15 years. In fact, with a tankless water heater, you face double trouble (thats why youre not getting hot water fast): Because we need to wait longer for hot water in the case of tankless water heaters vs. traditional water heaters, it makes sense to minimize that time in tankless heaters even more. There are special tankless water heater recirculation pumps for Navien, Rinnai, and Rheem units; we will cover them all. I recall it was p23 but it was definitely larger than p20. The major difference with hot water pumps in new homes is that you can install a full recirculation pump system (Type #1). Take care! Then what are we waiting for? but you stopped short for me. There is something wrong with limit control. Where is the 2 internal drain valve in Navien 240a tankless water heater (damaged needs replacement), Shower gradually cools, gets hotter when sink is on. Is this a common drawback with the under-sink crossover valve? Is there a proper earth ground point in this switch box? Then, use the arrows to set the desired temperature. Do You Need A Recirculating Pump With A Tankless Water Heater? So you'll find the same info whether you're looking for the Navien 240A manual, the Navien NPE-240S manual, Navien NPE-180A manual or similar. In his spare time, Oscar loves tinkering with electronics. Get in touch with Navien technical support at 800-519-8794. Troubleshooting Navien NPE-240A Internal Recirculation Pump It worked perfectly. Place a bucket underneath it to catch any water that drains when you remove the filter. If necessary, replace them all. Thanks! last week. Navien NR-240A heating issues Heating Help: The Wall My pipes arent big enough 2. Depending on the age of your Navien NPE-A model, he did you a favor. It is caused by an open or shorted air pressure sensor. Therefore, the only task you can attempt on this list is the gasket replacement for the leaking water connection. That may present a problem in the summer when you need cold water; turning the pump off during the summer months solves the problem. Inspect the water feeder valve, water pressure, and water pressure relief valve. It can also damage your main water heater and can create recirculation problems. Not only that, by now you should know how to turn it off and why its important to do so. It sounds almost like cavitation or a magnet rubbing against the casing as the recirculating pump winds down. Also you need not be concerned about pump damage. Here are four problems with these pump systems that you should be aware of. So, keep reading till the end. And thats a wrap! Without the need for extra piping, this type of hot water circulation pump system also comes at a much lower cost. It will help you avoid common water heater issues and let you operate the unit smoothly. Hello David, well, the additional costs are a con here. And the heater has been set to recirculation mode. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Can you turn it off in a tankless that has it built in? You can tell because the cold supply line is connected to the circulating return. I noticed my apartment building installed one and at that time the whole water pressure was low. There are several ways to do it. The circulation return needs to come from a loop at an end of the hot supply line. How To Turn On A Navien Tankless Water Heater | GardeningLeave Does the thing have a 'vacation' mode? Make sure that the drain hose will empty the scaling solution into the bucket. As a result, the stuff will rub against the wall of the pump and produce a hum like a refrigerator when you turn the unit on. This made me suspicious that water was coming from the mains. Unfortunately, the heat exchanger cannot be fixed and has to be replaced. Thats why most homeowners prefer installing the recirculation pump without the extra pipe. Having a tankless water heater is an energy-efficient way of getting hot water. We want to reduce waste in using water given our well situation. Hi Howy, well, the circulating pumps are usually powered by electricity, so they dont use gas. If we dont use it, we waste a lot of water. When you turn on the shower or a faucet, do you get hot water instantly? = 4.5 x CFM x h (std. When attempting a flush of the system, I shut off the hot and cold valves that lead into the heater. When the water is sufficiently hot, the temperature sensor will shut off the power to the recirculation pump to conserve energy. Do new devs get fired if they can't solve a certain bug? I kind of feel like he is trying to get away with something that wasnt installed properly but hopefully I am wrong. Timers and wifi sockets are quite cheap. With two pipes, you can create a loop between the water heater and faucets. It can take anywhere from 10 seconds to 1 minute for the hot water to reach the faucet. He said he tied in both in the master bath and the kitchen but it seems if that were the case at a minimum they would have hot water quickly. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Our goal here at GridSub is to help you find viable solutions to different off-grid problems. However, the unit comes equipped with a standard 120V appliance cord and operates between 200 and 300 watts. Others run on a timer. Lets look at the individual parts that make up the recirculation pump for hot water: If you want to install a recirculation pump, you start by getting the whole recirculating pump kit. I just hooked up the NR-20DU wired remote control ($80 from Fergusons) and programmed 3 on/off recirculating cycles based on family needs. Nobody really likes waiting for the hot water to start flowing under the shower or doing the dishes, for example. Theoretically Correct vs Practical Notation. You May Forget to Purge The Recirculation Pump, 03. The remote control module sits beside this area (I have it floating but I'll put double stick tape and mount it to the interior soon) and the antenna lead drops through a grommet (conveniently already available at the bottom of the unit near the pcb) to the outside. here are some problems that you may have to deal with in the future or have experienced already primarily found in older Navien heater models; Though not a common occurrence, it is still essential to know how to identify these issues. A hot water recirculation pump can be sized for a given system using the following formulas: Water flow qc = /T x 4200 Working well so far. There is a circulator pump, but it still takes a long time for hot water to reach the upstairs bathrooms. Press J to jump to the feed. If this does not work, hire a professional to repair or replace any damaged parts. The recirculation pump will make a squeaking noise if the installer fails to install the primary loop correctly. Low gas supply which prevents proper heating of water, Damaged flow sensor preventing proper supply of gas to the heater. air). Only 19 left in stock - order soon. In existing homes, adding an additional pipe for a full recirculating pump system is often too expensive; its just dont worth it, according to HVAC specialists. Navien Recirculation Pump Noise [4 Easy Solutions] This is done every time you close the faucet. Make sure the exhaust pipe is not obstructed. Then, read the manual on Navien tankless water heater how to reset. Correcting Navien Tankless Hot Water Heater Installation We can go from there with up to 3 hours of dedicated live coaching on the telephone if needed. We have 6 Navien NR-210A manuals available for free PDF download: Service Manual, Operation & Installation Manual, Installation Manual, Owner's Operation Manual, Quick Installation Manual Navien NR-210A Service Manual (179 pages) NR/NP Series Tankless Gas Water Heater Brand: Navien | Category: Water Heater | Size: 21.79 MB Table of Contents Hi Patrick, thats a good insight. Find products from Grundfos related to this subject. Follow Up: struct sockaddr storage initialization by network format-string, Bulk update symbol size units from mm to map units in rule-based symbology, Short story taking place on a toroidal planet or moon involving flying. However, that shouldnt happen if you have turned the pump off. Turns out, make sure you isolate the recirculation pump from the vibration. Sure there is likely some distance between the recirculation line and the fixture which should me some time till hot water reaches. 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