navien 240a recirculation settings
Apparently this information is only for a licensed contractor..sigh. Error Code E047 Im also interested in food and travel. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. I have had the system for a number of months now and overall I really like it. Brochures English Commercial Solutions Brochure H2Air Brochure NPE Contractor Brochure NaviLink Consumer Brochure Spanish - MX H2Air Brochure Sistema Colector ReadyLink NPE Catalogo Manuals English Thank you for posting. 0:00 / 4:21 Troubleshooting Navien NPE-240A Internal Recirculation Pump RCGooner2002 240 subscribers Subscribe 553 122K views 5 years ago Recirculation pump was not providing faster hot. Click here to see downloads for other products. Hopefully after 2 years this crap is over with and I can not heat my basement up to 90 in the summer. If you can post a picture of your setup it would really help. On-demand takes a bit longer to heat up, but oh well. Turns out, the recirculation mode has three performance advantages, including: Now, lets see how to adjust the recirculation mode in the next chapter so that you can enjoy the advantages I mentioned. Efficient, durable and high-performance products for any commercial application. It will reduce the energy consumption and deliver you the best heating efficiency. Building penetrations are reduced with Navien's common venting feature. Set the 2-way valve to INT. . Disabling schedules simply disables "recirculation", the function that keeps hot water hot in the plumbing for 'instant hot water'. PFFW-001, NaviCirc Kit: 30022965A. Though we share resources, information, and educational guide on plumbing & DIY projects, the content here is not a substitute for professional guidance. Solution: Get in touch with Navien technical support at 800-519-8794. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. The NaviLink system attaches easily to any new or existing* Navien tankless water heater, combiboiler and boiler. So when you request hot water, its going to start the pumps to make sure that water stays heated as it passes through. They are top tier support and know the most. NaviLink & NaviLink Lite make it easy to communicate with your Navien systems anywhere internet service is accessible. 20. ktpass /pass ReallySecurePas5word /ptype K, The VPN client was unable to successfully verify the IP forwarding table modification. The recirculation system needs a line running back to the water heater from the farthest faucet . . Hard to really know if you need button or not. I don't have any answers to your questions, but I am curious to know how you like the overall setup? Either you select the Internal Recirculation Mode or the External Recirculation Mode, both these modes has three common recirculation loops: However, the External Recirculation mode has an additional recirculation loop called HotButton, which takes it apart from Recirculation mode. It may not display this or other websites correctly. We might be able to do something about it. I call about every 6 months to get any updates on the issue they know nothing about every time. Research I've seen suggests this will save over 90% of the energy costs associated with 24 hour recirculation, which is essentially what you have. For a better experience, please enable JavaScript in your browser before proceeding. is this recirculation pump just recently installed? This light stays on for about 15 seconds, turns off for about 15 seconds, and then blinks 36 times. To exit the view information mode, just press the back button on the front panel. Replacing one NPE for two 90 gallon tanks ( one dead and one likely to die) was a cost savings even though the NPE and recirc is expensive. You can find this valve inside the water heater. I too have the NPE-240A, and this is what was explained to me. https://www.amazon.ca/dp/B0752P57ZG/ref=as_li_ss_tl?keywords=ewelink+module&language=en_US&ie=UTF8&sr=8-1&linkCode=gs2&linkId=7b93392fcd98392bd94c34a45a30dfb2&tag=twhomeshow07-20. This saves energy and provides an endless supply of hot water for households. "If you can't explain it simply, you don't understand it well enough". I expect that would have some positive effect on the time to deliver hot water, even if it is small. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. We are on well water and have a low flowing well. 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. I am not sure why not. Read the user's Navien nr-240a manual to get information on how to flush the heat exchanger and reset the remote for Navien tankless water heater. My NaviLink was working just fine for about2 months. I tried reconnecting using the AP button. Set the front panel DIP switches at the far left (set of ten) to: 1ON; 2 OFF. Similar to the Navien NR-210A, the NR-240A is a tankless water heater with a built-in circulation pump and buffer tank, except that this model delivers 11 gallons per minute at 45oF rise. The app will not connect to my wifi. 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. It allows you to choose the time in 30 minutes intervals. We don't tend to provide any plumbing advice or any advice that should come from a certified professional. Privacy Policy. They stated that the "Default" re-circulation schedule is every 30 minutes if it senses a 9 degree drop. You may know this already, but whan in the AP mode you have to then go into your phones wifi settings and then connect to the navilink NAVI XXXX , then open the app once connected to follow the setup menus. I have even had to swap out control and front panel boards to get the function to work, but they broke that with an app update. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. So, you must play with this setting and adjust it according to your water usage demand. The installers insisted they did not need to pipe the recycle returnthey wanted to cap it off. My home is long and used to have two water heaters, one on either side of the house. Internal Recirculation and make the selection by pressing the Ok button. 57. Am I reading this excellent web page & comments correctly? Basically, you add a host to a vCenter cluster, NSX-T bits should start to automatically installing on new host. Also, you can use the Navien Intelligent Preheating feature. Specifically, you can find a number of dip switches on these two locations. Disabling schedules simply disables "recirculation", the function that keeps hot water hot in the plumbing for 'instant hot water'. I would make my back steps half of the known good/bad settings to speed up the search process. 60. Set the position of the 2-way valve, which you can find inside the water heater. The manual also has dip switch settings for "External Recirculation" but I am afraid if I set it to that setting it will not use the "intelligent computer" and run all the time. with a wire stripper befor e connecting it to the solenoid valve. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. How does Navien intelligent recirculation work? There is 4 options (6 technically, but the 5th and 6th dont apply). (Dip switch settings - https://imgur.com/gallery/xRzjyRN) Did I set this up correctly? Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Am I correct in assuming this means that the internal loop and buffer tank only heat up when there is there is demand for hot water (i.e. I've learned some things myself. Thanks for any insight you can provide. Using the internal pump to set up an external re circulation line through the cold water system as return with a Grundfos comfort valve at the last fixture in the line. Thanks in advance for any advice. Is that correct? You must log in or register to reply here. The app is not the most intuitive. Resources | Partners Login | Become an NSS |Certifications |Parts List | Technical Support | Careers |Global Network |Warranty, All contents copyright Navien Inc. | About Navien |Contact Us | Terms of Use |Privacy Policy |CCPA |Notices, Ultra-high efficiency condensing tankless water heaters, High efficiency non-condensing tankless water heaters, You accept the use of cookies as described in our, makes it even easier to install and set up, 2" PVC up to 75 feet and 1/2" gas up to 24 feet, High efficiency up to 0.95 UEF and up to 15:1 TDR, Durable dual stainless steel heat exchangers, EZNav multi-line control with built-in intuitive software, Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator, Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien, Ways to save money on your water & electric bill. I, recently had a Navien NPE-240A unit installed. * The cold-water sandwich effect is the undesired introduction of cold water into the hot water supply line on occasions of frequent on/off operations. Thanks. Position the 2-way valve inside the water heater to EXT. Strong signal. NaviLink Lite is great for single residential units and magnetically mounts to the side of the unit or can easily be mounted on the wall. Looks fine, Y U NO WORK!? Error Code E046 There is something wrong with limit control. It is assumed that when you connect a hot button that you only want it to recirculate when you hit the button, and it is assumed that when you connect a Navilink that you will set up a schedule and have it recirculate within those hours specified. Below assumes the iDRAC has been configured and is available on the network in default config. We have a Navien NR-240A installed in new construction in 2012. I just had a Navien 210A installed at my house. Water heater without tanks, also called instant water heaters heat water immediately upon request. Navien even sent me a new NaviLink wireless controller which I installed with the same results. Can you Ask an Expert Home Improvement Questions HVAC Questions Michael Ferryman 1,933 Satisfied Customers Operating Engineer at NRG Energy Michael Ferryman is online now Related HVAC Questions Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. Tech support was clueless. Optional Wi-Fi remote control systems Press J to jump to the feed. Note: You can use the Internal Recirculation Mode in the A2 models only. On the App, the Enable button appears and is highlighted and now controls the times I have programmed for on/off. Navien Npe 240a Review AdinaPorter from www.adinaporter.com Web the navien intracranial support catheter has a nitinol coil and proprietary polymers to deliver thin wall construction 1 that provides a large id among 5/6 fr catheters 2 while delivering improved trackability 1,2 and resistance to ovalization. How long do Navien tankless water heaters last? Then I searched and discovered your posting. Just want to confirm. Can anyone tell me the process to get the NaviLInk connected to home wifi. Error Code E046 It indicates that there is something wrong with limit control. Part No. Access the main menu by pressing the M button and select. MacOS: AnyConnect VPN client was unable to successfully verify the IP forwarding table modifications. The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located. It looks like you're using an ad blocker. With the -A uinits (with the recirculation pump) does that pump have to run to supply on demand hot water? It was totally worth it, here is why and how to set it up. Given the highly critical reviews of the NaviLink app on the Apple iOS App Store, I am reluctant to buy until I can verify that 1) re-enabling schedules using the NaviLink app is easy to do and 2) we can use the NaviLink app to activate the CP on-demand (in other words, the app does, indeed, have a software-based button). This chapter will walk you through the step-by-step guide to let you learn how to use the recirculation mode. Sign In Upload. We get it, but (1) terrylove.com can't live without ads, and (2) ad blockers can cause issues with videos and comments. Today I opened the front panel and saw that all the dip switches were set to off. There is always an interval between when water is called for and the start of the burner. Manuals; . Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. This may eliminate the waiting for hot water depending on installation method. Smarter that way, just not instant. We do not have a hot button. How often should you flush a Navien tankless water heater? Hi therejust curious since I was considering a Navien 240A. This was on 4.6.x. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. But I think I've figured out the nomenclature. Always On: It will repeat DHW recirculation. A place for plumbing advice and help. Typically with tankless water heaters, the circulator needs to be properly sized. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. Since my VPN endpoints were not providing me w/ an updated client and w/ no access to Cisco Anyconnect downloads, my only option was to try openconnect. Also alludes to the fact that recirculation control gets disabled too. External with internal pump. One last dumb question. \"Instantaneous water heaters?\" Tankless water heaters CAN be used to help solve lag time issues on a home, eliminating most of the wait time for hot water, but it depends on the piping. The control is recirculation only. Yes, I know. Navien npe-240a recirculation settings Click here for more information about UPS. On 12/6/2022 I just installed a Navien 240 A and talked to tech support for Navien 3 times about the NaviLink not controlling the unit. Learn more about our products for home owners. It's unfortunate he's not around to explain all this to you. A tankless water heater, whether it comes from Navien or other brands, will provide you a reliable service for up to 20 years if you maintain it according to the manual. Support has been useless for the most part and just points to Korea Dev team. Do not advertise or try to compare pricing. For example, it will boost up the energy consumption because the unit operates to maintain the water temperature within the circulation loop. I love everything about the hardware. So I purchased a NR-20DU remote controller to gain the programmable recirculation feature. Navien Recirculation Settings: Everything You Need To Know. This seems relatively new for Navien and is in a recent Navien technical bulletin from 04/18/16. By using a kerberos keytag, I'm able to in the very least obfuscate the username and password into a file for upload into the iDRAC. NPE-240A Downloads Download the new Navien mobile app! Say with external pump being used function, if your recirculation line connects together outside of the heater like with an actual return line then set it external. 8. Note: You must set up the Time Settings in the Configuration menu to choose these options. a faucet is open) and no recirculation is occuring? Remove the plastic insulation from the solenoid valve wire. I suspect a process issue. Navien Manuals Water Heater NPE-180A Service manual Navien NPE-180A Service Manual Npe series condensing water heaters Also See for NPE-180A: User manual , Installation manual (71 pages) , Operation manual (20 pages) 1 2 3 4 Table Of Contents 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 Also, it will get hot water to you quickly depending on the length and size of branch lines off the recirc loop. Naviens patented ComfortFlow system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater, resolving the cold-water sandwich effect* and issues of minimal flow rates commonly found in other tankless water heaters. What I am finding now is if you call at 8am Eastern time you get New Jersey. Tech support is clueless. Navien 240a Tankless Water Heater from hybridwaterheater.blogspot.com. Press the M (menu) button on the front panel and choose the 1. the 2 mounting screws. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. What I have found to keep it easy for understanding the schedule enable/disable on the appis to add the letter "d" at the end of the word being displayed. Once you connect a hot button or a Navilink to the water heater, this overrides the default every 30 minutes scheduleperiod. We might be able to do something about it. Navien NP-240A Pdf User Manuals. is this recirculation pump just recently installed? Press question mark to learn the rest of the keyboard shortcuts. P18 in the parameters in the menu settings allows the navilink to communicate with the unit.it must be turned on. 60. . I also bought a Navicirc. During this delay gases are blown out of the exhaust and cold-water flows through the burner unheated leading later to a cold-water sandwich. You can find one on the PCB and the other one on the front panel. But you may need to flush the unit every six months if you live in a hard water area or operate the unit at a higher temperature setting. Just had installed a Navien 240a. Assuming you've created a Transport Node Profile and associated w/ the cluster. Designed for recirculation of domestic hot water in applications where a dedicated return line is not available. My unit is a replacement for an existing electric tank recirc loop system. They understand systems like this and can help you choose the right pump and control that only recirculates when you tell it to. It may not run the entire time but it does run. Im a Principal Software Engineer in Microsoft's Azure Dedicated group living in Atlanta, Georgia. Yierd! 21. Attach the water supply to support recirculation. Hot water is still on-demand when in a 'off-schedule' mode, but may take longer for hot water to dispense because the plumbing is cold. Read the user's Navien nr-240a manual to get information on how to flush the heat exchanger and how to reset remote for Navien tankless water heater. Hello, You might want to talk with the folks at ACT, 714-668-1200 www.gothotwater.com. Navien NR-180(A); NP-180(A); NR-210(A); NP-210(A); NR-240(A); NP-240(A) Condensing Water Heater, Navien NP-240A Service Manual (179 pages), High Limit Switch or Exhaust Limit Switch, Preparing the Water Heater for Inspection, Navien NP-240A Operation & Installation Manual (89 pages), Navien NP-240A Installation Manual (78 pages), Contaminated Make-Up Air will Damage the Unit, Navien NP-240A Owner's Operation Manual (45 pages), Pump Activation Setting Function When Hot Water Is Used, "A" Series Models Built-In Circulation Function, Basic Troubleshooting and Frequently Asked Questions, Navien NP-240A Installation Manual (68 pages), Navien NP-240A Quick Installation Manual (4 pages). Apple iOS Google Android NPE-240A Downloads Click here to see downloads for other products. I am still seeing wonkey things happening but the schedule seems to work now. Connect the water supply. PFFW-001, NaviCirc Kit: 30022965A. I set my first three dip switch settings to ON, ON, OFF which is what the manual said the settings are supposed to be for intelligent pre-heating. The enable/disable work around for a hot button really speaks to the fact that they could just make an app based digital hot button alone-- with a timer better yet to resume the normal schedule. I got the same problem that I can not connect the Navilink to home wi-fi. It does not appear to be that much different. I've also updated the blog post w/ summarized information from everyone's comments. Summary: I was looking to automate configuration of iDRAC's (Dell Remote Admin Console) synonymous w/ iLOM and many other acronyms. I simply cannot believe the iPhone app won't allow both recirc schedule on a dedicated loop and ability to turn on/off recirc at other times. This removes the need to purchase an additional circulator for the heating system. If you want the heater to provide the cross over where the hot return and cold combine then set it to internal. Using, Summary: NSX-T loses synch w/ vCenter inventory, but statuses don't appear to show an issue. Are you sure it is the pump running and not the blower for the heat exchanger? Hoja de Especificaciones Sistema de Ventilacin para Exteriore Hoja de Especificaciones Cable para Bomba Externa NPE, Hoja de Especificaciones Calentadores de Agua sin Tanque serie NPE, Hoja de Especificaciones Sistema HotButton, NPE Outdoor Vent Kit Spec Sheet (USA & Canada), NPE Series Specification Sheet (USA & Canada), Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator, Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien, Ways to save money on your water & electric bill. Error Code E047 I thought we could re-use the remote controller (NR-10DU) from our old NPE-180A but it does not work with this. I am concerned because it doesn't specifically say Intelligent pre-heating for external recirculation. Recirculation is basically just keeping the hot water in the plumbing hot so you get hot water faster. Since the app updated and removed the option to enable or disable the recirc and enable or disable the schedule, mine has not worked and defaults to every 30 mins recirc. After much frustration getting the app installed and setting a schedule, we are unsure whether the app is actually communicating with the unit according to the schedule. Go along the steps described below to set the recirculation settings. Navien Recirculation Settings have a lot of advantages. Adding a "Hot button" overrides schedulers (navilink or NR-20DU). 800-556-7556 or see HarryEklof.comFull Naivien information including dealer and Rep locators is available at www.navieninc.com Thanks for the summary and the reply to my question as well as the others. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. Navien 30015307A Circulation Pump, NCB-E Models OEM PART $272.95 In Stock FREE SHIPPING Navien 30002583A High Limit Switch, OEM PART $18.85 In Stock FREE SHIPPING Navien HotButton Recirc Pump Control for NPE-A Series, PZZZ-00046 $115.45 In Stock FREE SHIPPING NAVIEN 30014189B NHB FLAME ROD ASSEMBLY, OEM Part $31.38 In Stock FREE SHIPPING Water Heater DIP Switch Settings. Adding a "Hot button" overrides schedulers (navilink or NR-20DU). Protect the water supply and water heating equipment with eco-friendly water treatment solutions. Create an account to follow your favorite communities and start taking part in conversations. Recirculation is basically just keeping the hot water in the plumbing hot so you get hot water faster. Operation. In particular I'd like to change the temperature at which it begins to recirculate, or the frequency of it. I just want to make sure my understanding is correct. Since the 210A has an internal pump, this confused me. We have a Navien NPE-240A boiler and an electrical (unconnected) hot water tank that acts as a storage tank. It may not display this or other websites correctly. What I am going to discuss in this article is-. If the hot button is not engaged, or a schedule is not specified and enabled in the app then the water heater simply will not re-circulate. For recirculation Navien is not clear as to the use of parameters. https://www.navieninc.com/downloads/npe-a-s-manuals-installation-manual-en. Naviens new backlit EZNav control panel uses simple text and icons to make set up, operation status and troubleshooting faster and easier than ever before. JavaScript is disabled. My pump seems to run every time I need hot water. Press either the Up and the Down button to switch between any of these recirculation settings: 3. Factory Setting of DIP Switch. Cause is unknown. New Problem - I cannot connect my NaviLink to my home wifi. Thanks for the comments folks. Internal with external pump. I agree. Recently updated to an NPE-240A. It is not in the manual. Internal with internal pump. If you'd like to support the site, please allow ads. It is now available as an add-on accessory for all NPE-A models (NPE-180A, NPE-210A, NPE-240A). If you'd like to support the site, please allow ads. Summary: I started running into issue utilizing Cisco AnyConnect on my Mac basically complaining about not able to overwrite IP forwarding tables. and our Parameter access and and parameters are listed here in section 6.5 page 65. In reading the comments there seems to be confusing information as to whether the schedule button should be set to ENABLE or DISABLE. Then if that doesn't work, I would keep it at 1 minute, and then set 14 to 1 minute, and I would also try 14 at its max. On the control board, the display does not turn on, there is no clicking from the ignitor, and no pump trys to run. Protect the water supply and water heating equipment with eco-friendly water treatment solutions. While the line might still be hot, it wont stay that way with cold water being pumped in. Enable=Enabled, and Disable=Disabled. I actually only use the app to view status and utilization these days. Colector ReadyLink Hoja De Especificaciones Espanol (USA & Can NPE Guia De Conversion De Gas (USA & Canada), NPE Guia De Instalacion Rapida Espanol (USA & Canada), Navien-NPE-Series-CSI 3-Part Formatted Specifications, Ready-Link Manifold 2BB Submittal Package, Ready-Link Manifold 2SS Submittal Package, Ready-Link Manifold 3SS Submittal Package, Ready-Link Manifold 4BB Submittal Package, Ready-Link Manifold 4SS Submittal Package. Even if the primary node associated w/ the VIP, if configured, is not necessarily in charge of inventory. You are using an out of date browser. They had me un-register and re-register to get it working. Solution: Get in touch with Navien technical support or a professional heater repairman. It will reduce the energy consumption and deliver you the best heating efficiency. Cookie Notice This gives users hot water when they need it, saving water and money. I assume it is for what re-circulation, but not sure. Finally I got them to call the Navien support line to set them straight. https://gadgetsgo.com/images-manual/Navien-NaviCirc-30022965A-Spec-Sheet.pdf, https://armstrongfluidtechnology.coastro_express_lf_valve_io.pdf?la=en&display=1, https://s3.amazonaws.com/s3.supplyhouse.com/product_files/Taco-HLV-1-User-Guide.pdf, https://terrylove.com/forums/index.-recirculation-settings-and-parameters.85181/, Flushing Navien 240A set up for external bypass, Navien NPE-240A2 External circulation question, Navien NPE-240A and HotButton - DIP switches and parameters, Navien-NPE A2 Dedicated Recirc line, Hot Button Setup. The Intelligent preheating on Navien Water Heater is a self-learning process that you can enable by turning on the DIP switch on the front panel. Looking at the various videos before buying the Navilink router, they make it seem like the app would include a 'hot button' feature. Navien's NR-180A, NR-210A, NR-240A, NPE-180A, NPE-210A and NPE-240A models come with the ComfortFlow System. They are: If you want to select or activate any of the two recirculation modes, you must do two things: You can enjoy several benefits if you activate the recirculation mode. Set the 2-way valve inside the water heater to "INT.". The Navien cascading system also balances out the workload of each unit for longer life. * Existing installations may require the purchase of a new main PCB and front control panel. So disabling and enabling the schedule does not work as a workaround to the hot button feature not showing up except for the fact that when enabled it will find that the reservoir temp is lower than it should be and begin to heat it, which then in turn will allow it to start to recirculate again (not time saving or water saving at all). Ive installed hundreds of them. Thanks in advance for your time. I have had my professionally installed NPE-240A for about 8 months now and like it, but do experience longer times to get hot water to all the taps. So you could restart the cm-inventory service till you are blue in the face and get nowhere be. external recirculation pump. that fan will come on when water is called for and go off a bit after the call has stopped. Your observation about the Enable/Disable selection saved the day! Just want to say thanks for everyone that has commented thus far. Navien water heaters are highly efficient tankless water heating systems. If it is not on your navilink still may bridge to your phone but not commiunicate with your npe. The issue is related to a Navien heater Model NPE 240A recirculation pump. I had a dedicated external recirculation line installed to use with the Navien internal pump. 3. Hot button documentation is super vague too. I was reading the directions, and it wants me to set the Heater to External recirculation. Great hardware, awful software. 7. Weekly: It lets a user choose commands for DHW Recirculation on a weekly basis. If any particular ad is your REASON for blocking ads, please let us know. Connect the External Pump Wire to the proper wires from the. External recirc pump and check valves not included. (if you want to schedule via App). (Measure Guideline : Transitioning to a Tankless Water heater, DOE, Sept.2012). You are right. Eliminate the requirement of minimum flow rate, Eliminate the cold water sandwich effect. I am a fan of technology, fitness, and video games.
