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We might be able to do something about it. 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. Water heaters think about water in temperature: If the inlet water temperature is 40F and the guy at the kitchen sink doesnt want his hands to freeze, I need to warm that water up to 55F. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Question: How is a water recirculating pump eco-friendly?Answer: The basic reason is, water recirculating pumps save water. Normally uncontrolled pumps are used as the flow variation is relatively small. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. And. Grundfos water recirculation pump may troubleshoot sometimes. When you are installing water system stuff, a lot of things can cause low pressure. Make sure the electrical cord is grounded. Unplug the power to your Navien water heater. If your system is re-circed as close as possible to the fixtures (ask yourself do I have two hot waterlines for each fixture?) Next, hook hoses to the valves, then open them to drain the water. With two pipes, you can create a loop between the water heater and faucets. Remove the intake filter and properly wash it using a brush beneath running water. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. It can occur due to an open or short sensor. (42-167 Amps), How Much Propane Does A Tankless Water Heater Use? Press the reset button to reset your device. Overusing your recirculating pump also increases your electricity bill. And thats a wrap! I have an NR240A for about 10 years now. The whole point of installing such a pump is to get hot water fast. What kind of range do you get from the remotes? The pump will cost you $200 to install, $5.50-$32 to operate, will waste $160-$400 per year and will save you $4-$50 on your water bill. Place the filter assembly back into the water heater and secure it with the screw. Works great and saves the copper pipes. However, I have envious of those who have the NPE with the hot button and wifi link. Do the plumbers explanations make any sense at all or does it sound like BS? Cookie Notice Hi Mike, we think about water as hot vs. cold. It depends on how the recirculation pump is installed, and some other factors, plumbers usually know this stuff pretty well. Now, that comes to the question, can I turn off my hot water recirculating pump? If you look at the instructions, which tech support emailed to me, there is a Signal 1 input for 12 or 5V devices including remote controls or motion sensors BTW the other remote was sold out. Why Does My RV Carbon Monoxide Detector Keep Going Off? 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. Not only that, by now you should know how to turn it off and why its important to do so. https://www.ebay.com/itm/12V-DC-MOMONTROL-RM11-/350575987090?hash=item519ff50992, Navien NPE-240A2 External circulation question, Navien NPE-240A and HotButton - DIP switches and parameters, Flushing Navien 240A set up for external bypass, Navien NPE External Recirculation Confusion. This may require chasing the supply lines. Press either the Up and the Down button to switch between any of these recirculation settings: Make sure the exhaust pipe is not obstructed. On a side note, if your Grundfos circulating pump is making sounds, it may have air locks or installation problems. Grundfos water recirculation pump may troubleshoot, Grundfos circulating pump is making sounds, Easy DIY Media Cabinet Build with Basic Tools, From Cast-Iron to Stainless-Steel: How to Replace Your Kitchen Sink, While theres no water in the pump, do not turn on the recirculating pump. Solutions like- unplugging it, using a timer and using wifi sockets are convenient. Press the Power button on the front panel to turn off the water heater. The recirculation pump will make a squeaking noise if the installer fails to install the primary loop correctly. You can turn off the recirculating pump in various ways. This requires the installation of an additional water pipe. Press question mark to learn the rest of the keyboard shortcuts. Save my name, email, and website in this browser for the next time I comment. Manage Settings If pointed in the right direction, though, I might be able to solve this. To understand this problem what I am talking about, you can watch this video: First off, I recommend you check the primary loop. An open or short thermistor can be the root cause of this problem. I installed this system a few days ago and I've been trying to trouble shoot the noise that's coming from the re-circulation pump. Calculator + Chart (Natural Gas), Average Gas Bill For 1-Bedroom Apartment: State-By-State Cost Analysis, Average Electricity Bill For 4 Person Household (Survey Analysis), How Many kWh Per Day Is Normal? To change the water temperature; Check this too: Richmond Water Heater How to & Troubleshooting Guide. Make sure to follow our instructions properly for the right application. Here are some of the leading causes of cold water production; Which means there isnt enough time for the water to heat up. One option is to put a relay/contactor between the Navien and the internal pump, so that that pump can only get power when the house is occupied. I have 5 connections including the recirculation in. Yes, you can turn off your hot water recirculating pump. Examine and clean the filter in a cold water inlet. So, keep reading till the end. If the problem persists after reset, replace the APS as soon as possible. "The recirculating pump costs about the same as operating a 25-watt light bulb," says Umberto Griccino, a commercial plumber and HouseGrail consultant. It also may be as simple as a dip switch in the tankless unit itself. Note: Remember to turn off power to the heater before replacing the gasket. Why do small African island nations perform better than African continental nations, considering democracy and human development? These on-demand units need an even longer time for the hot water to reach a faucet because the heater has to first heat the water and then send it along to the faucet. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You can isolate the pump from the vibration in two ways. We always take the pros vs. cons approach because nothing is perfect. Turn off the unit and check the valve's wiring and condition. What parts does a home water recirculation pump include, and where to install it. Water recirculating pumps just circulate the water; the water pressure should stay the same. However, the unit comes equipped with a standard 120V appliance cord and operates between 200 and 300 watts. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. If any of them are loose or disconnected, your circulator pump won't work. Troubleshooting Navien NPE-240A Internal Recirculation Pump - YouTube 0:00 / 4:21 Troubleshooting Navien NPE-240A Internal Recirculation Pump RCGooner2002 240 subscribers Subscribe. air). This serves two functions: This is also true for tankless water heaters. It could be open or shorted. Yes!!! 3. All in all, its important to understand that recirculation pumps are worth the money. Difficulties with estimation of epsilon-delta limit proof. On the other hand, if you find no foreign stuff, ensure you purge the air out of the system. Then what are we waiting for? There are filters that prevent the sediment from entering the water flow. Solutions like- unplugging it, using a timer and using wifi sockets are convenient. Average 1-6 Person Home kWh Usage, Gas Vs Electric Water Heater Monthly Cost Comparison (State-By-State), Water Heating Costs For 1,2,3,4,5,6 Family Homes (State-By-State Analysis), Electric Water Heating Cost, kWh Usage Per Month (State-By-State RECS Analysis), What Is W2 Wire On Thermostat? Not really. Make sure the major electrical cord is grounded correctly. Can this be moved to another sink in the house that is not used as often ? Some brands/models dont include it. You can isolate the pump from the vibration in two ways. Great article!! Examine the wiring and thermistors condition. Navien NPE-240s with external recirculating pump. Question: How much does it cost to buy a water recirculating pump? I am guessing that he only returned the HOT line, hence the delayed time in "INSTANT HOT", as the Naviens are sold as well as there 96% efficiency!! It will help you avoid common water heater issues and let you operate the unit smoothly. He has a good standing reputation for superior skills in heating, air conditioning, hot water tanks, and indoor air quality systems. It only takes a minute to sign up. All you have to do is browse through our guides, answers and personal experience documentations to find out what you should (or shouldn't) do when going off the grid. The best answers are voted up and rise to the top, Not the answer you're looking for? I have alos checked my HeatBox settings to ensure the temp is set high enough for my domestic supply (set to around 120 degrees). All you have to know is how to turn it off. The hot water recirculation pump works by: The very phrase recirculating comes from this pump returning the unused hot water back into the tank. It clips on the side of the PCB board without screws and then you connect a ribbon cable to the PCB. Ensure the recirculation pump was installed correctly. DC Wire Gauge Calculator: What Gauge Wire (12V, 24V, 48V)? Locate the reset button on the heaters front control panel. Parts that will actually be used depend on what kind of hot water recirculation pump you have. All done in software. Then replace the heater cover and turn the gas or power back on. The E760 informs you that its time to flush your heater. What am I doing wrong here in the PlotLegends specification? But, yes, I understand why it seems feasible for the sediment to eventually enter the water flow and cause the change in taste of water. Answer: It really depends on your model type. How? Reinsert the filter into the plastic assembly. Also, as I'm taking a closer look at it, I'm concerned that some key things may be amiss. You can install it yourself (DIY circulation pump installation) or call a professional; more on that in the part about how much do hot water recirculating pumps cost. This error informs you there is something wrong while you reset the unit. So, saving water is the main reason for calling a recirculation pump eco-friendly. Navien tankless water heater recirculation March 31, 2016 At the push of a button, Navien 's HotButton accessory activates the internal recirculation pump and gas-fired burner to heat up the water in the supply lines. Many systems turn on and off automatically to keep the water within a specified temperature range. Ensure that all hot water faucets are closed, and ensure that the internal circulator and any external circulating pumps are off. Check to see if the warranty is still valid and contact the manufacturer. Neither reason is likely to be correct but we would need a much more in depth knowledge of the hot water distribution system and the circulation line in particular. You mentioned that in the summer months your can turn off the recirculation pump. Place a bucket underneath it to catch any water that drains when you remove the filter. Quick summary on costs: Recirculating a pump is certainly useful if you want hot water quickly. Separate Recirculation Pumps. As well as any future additions, Usage of household gadgets that require hot water, Automatic dishwasher 14 gallons or 1.5 GPM, Washing machine 32 gallons to wash the clothes or 2 GPM. If you have any questions about these pumps, how they work, or some calculations, you can give us the specifics in the comments below and well try to help you out. After using this amount of time, hardware gets old and starts to malfunction. For more information, please see our Is this noise normal coming from my Navien tankless heater? Confirm the thermistor and wiring is in good condition. The circulation return needs to come from a loop at an end of the hot supply line. Then, turn it on again. Use your pump when you want to use it. You can turn it off during work hours, over the night, when you go on vacations, and so on. You need a crossover valve installed under one of your faucets that is far away from the water heater (there are a few different styles but they all have four connections and get installed under a faucet). 2 Types Of Hot Water Recirculation Pumps Used In Homes, Type 2: Recirculating Home Pump Comfort System, Advantages And Disadvantages Of Hot Water Recirculation Pumps, How Much Do Hot Water Circulation Pumps Cost + Installation Cost + Running Cost? You can return the item for any reason in new and unused condition: no shipping charges ; 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. Read the users Navien nr-240a manual to get information on how to flush the heat exchanger and reset the remote for Navien tankless water heater. The timer has control over when the pump is working continuously. What disadvantages, beside cost???? The air will need to be bled out of the system. Why are physically impossible and logically impossible concepts considered separate in terms of probability? Did any DOS compatibility layers exist for any UNIX-like systems before DOS started to become outmoded? Disconnect the power supply to the water heater. Allow the vinegar to circulate through the heater for a minimum of one hour (longer if the pump runs at less than four gallons per minute). When we dont have to use it, why keep it on? When attempting a flush of the system, I shut off the hot and cold valves that lead into the heater. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. How can this new ban on drag possibly be considered constitutional? Low gas supply which prevents proper heating of water, Damaged flow sensor preventing proper supply of gas to the heater. This number indicates that the water pressure is high. (Cost Calculations), BTU/h To Horsepower Calculator + BTU/h To HP Chart (To 72,000 BTU/h), Horsepower To BTU/Min: Convert HP To BTU Per Minute (Calc + Chart), HP To BTU/hr: Horsepower To BTU For A/C (Calculator + Chart). Inspect the water feeder valve, water pressure, and water pressure relief valve. Is it possible to create a concave light? You can replace the sensor if needed. Turns out, make sure you isolate the recirculation pump from the vibration. The cost of a separate recirculation pump would fall in the range of $200 and $500, depending on the size required. Check this too: Electric RV Water Heater How to & Troubleshooting Guide. You will not get hot water instantly. . Now you have your socket, turn it off/on whenever you want! IF it does, could it be controlled remotely? Recirculation valve for use with NPE-A series tankless water heaters Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. It is an indication that your warm water outlet thermistor has some problems. . If the problem persists, call a technician to fix the unit. The buffer tank eliminates the "cold water sandwich" effect and issues of minimum flow rates commonly found in other tankless water heaters. T = the water cooling, normally 5 C determined at the farthest consumption point [C]. But in my case its significant amount of time and it only really gets hot if I fully open the hot water at that faucet otherwise it is luke warm. This might be a small installation error or a faulty setting. The cold water pipe coming from the wall goes into the domestic water inlet on the tankless heater, as it should. From the valve, try to loosen up the cap to remove air from the system. Watt recirculating pump installed on the water heater (pump plugged into standard 110/120V outlet, 3/4-inch pipe thread connectors, valve). Lets look at the two most popular types: You can install hot water or tankless hot water recirculation pump in an existing or in a new home. Both options use less energy than a continuously-running system. We want to reduce waste in using water given our well situation. Navien ComfortFlow is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump. How is an ETF fee calculated in a trade that ends in less than a year? We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. So, hire a professional to deal with the issue. I guess the recirculation line will be the only one that is copper. We dont. Now, when installed, the recirculating pump makes it seem that the hot water starts flowing right away like magic. When I hooked hoses to the service pipes, the system still produced a strong, steady flow of water, seeming to not drain. Save my name, email, and website in this browser for the next time I comment. Do you want to know the details? This may temporarily help to remedy the issue. It is a visible sign that your devices cold water inlet two thermistor is having some issues. Also, check the feeder valve and pressure relief valves activity. If your pump does this, then it is to be expected, otherwise it sounds like the hot and cold are mixing at some point and you'd need to find out where . Locate the power button and press it to turn on the heater. Is this incorrectly installed? The only place that quickly gets hot (and really hot) is the guest bath which happens to be right next to the water heater. Quite surprisingly for most homeowners, the biggest problem with this type of recirculation pump is getting cold water. You can crack open the manual for your tankless heater and check if it comes with that option. Why isn't my Navien tankless water heater performing as it should? The bigger the house, the longer these water pipes usually are, and the longest it takes to get hot water. Navien NaviCirc Recirculation Valve Description How it works Specifications Dimensions Hello Lucy, in most cases, you have that option. Not Mounted The Pump Securely or Isolate It, Navien Tankless Water Cycles On And Off [5 Easy Solutions]. First, place a thick rubber between the pump and anything it will be mounted on. Additionally, you can install a 5-micron filter in the water inlet right before the heater to remove impurities from the water. Also, check if the electrical cord is grounded correctly or not. Here are some simple instructions on how to turn on your Navien tankless water heater. Is there a way to tell if the cold pipe is circulatory/return line or cold water from the mains?