Click here to see ... Recirculation and EXT Pumps 7 NPE-A with Recirculation and EXT Pumps 8 NPE-A with Recirculation and EXT Pumps 8 NPE-A with Recirculation and EXT Pumps Navien Product Template.dwg Navien Product Template.dwg Navien Product Template.dwg Navien Product Template.dwg NPE-A Combi with Air Handler … The optional temperature sensor in the recirculation loop is not used. Add to My Equipment. ComfortFlow Technology ComfortFlow is Navien's recirculation system and it is included in the NPE-240A. Summary: Just had a new tankless water heater installed in my house to replace a failing 22 year-old 50 gallon tank. Navien NPE-240A Condensing Tankless Water Heater Manual. Improper installation of this device may result in serious injury or property damage. Navien NPE-180A Service Manual Download Service manual of Navien NPE-180A Controller, Water Heater for Free or View it Online on All-Guides.com. NPE-180A water heater pdf manual download. Water is too hot . The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located. ComfortFlow is Navien's recirculation system and it is included in the NPE-240A. It adds signal input functions to the NPE- 180A/210A/240A water heaters for more efficient DHW hot water recirculationfunctionality. Operating gas pressures of 3.5” w.c. – 10.5” w.c. are required. The Navien HotButton kit is an add-on input board for the Navien NPE-A series water heaters. 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We seem to have to run hot water for a long time to get it hot. When venting Navien NPE tankless water heaters, it is important that you do not start the vent run with a street elbow at the vent collar. So I purchased a NR-20DU remote controller to gain the programmable recirculation feature. We found that the Navien NPE-240A has a wide range from 19900 to 199900 BTU units per hour to raise the temperature. The Navien NPE-240A has a minimum input of 19,900 Btu/h with its maximum topping off at 199K. The Navien NPE-240A comes along with a proper range of BTU units required for the product to operate. Order Qty: 1 Qty. 5.5 Component Assembly Diagrams and Parts Lists 5.5.1 Case Assembly 12 7 13 9 8 10 18 2 1 3 4 6 5 17 16 15 14 11 # Description Part # Remark 1 Intake Air Duct Assembly 30008662A 2 Intake Air Filter 30008745A 3 Case 20020393A NPE-180A 20019078A NPE-210A/240A NPE-180A/210A/240A NPE-180S/210S/240S 20026560A NPE-180S 20026559A NPE-210S/240S 4 Air Pressure Sensor … Navien NP-180 Service Manual. Slimjimtell New Member. Navien tankless water heaters work in a way in which you would spend less money to enjoy adequate hot water supply. This cool feature is included and added in many of its models for providing the best service for its users efficiently delivering hot water. 2.2 Installing the Device in an NP E-180A/210A/240A Water Heater Hence, this Navien tankless water heater can easily recognize your water usage patterns and heat the water so that when you open your taps, you get to enjoy hot water instantly. Contractor's Assistant: Is your Navien heater gas or electric? Description. Navien NaviCirc 30022965A Recirc Valve Kit, NPE-180A NPE-210A NPE-240A. About Navien. We have a Navien NR-240A installed in new construction in 2012. Exclusive built-in recirculation system included on all NPE-A models. Couldn't be happier w/ my new tankless, but was dealing with weirdness on the Navilink app to control/view my new Navien.The app's scheduling function (for the recirculation pump) was missing. Also the control box timer is set so that recir is supposed to run from 6am to 900pm. The difference between the two is the inclusion of a buffer tank and recirculation pump on the A model. With Parts In Town, you can get real parts faster – in fact, today.Are you In? Find helpful customer reviews and review ratings for Navien NR-240A (CR-240A). Exclusive built-in recirculation system included on all Navien NPE-240A models. (From my research it looks like Navien will be a good choice of unit) I am having trouble deciding between the NPE-240S vs the NPE-240A models. Weight: 1.40 lbs MPN: 30022965A: Rush Order: Quantity Add To Cart Save To Favs. I have a Navi NPE240a I cannot get it to recirculate at all. This model is more advanced than the others are on the same category. This product begins by opening the hot water tap, which detects the flow. The best example of the user-friendliness of this heater is the arrows located on its front side and which are to be used to adjust the temperature. I'm not sure how this works with a recirculation line. Set your location and look for the Parts In Town logo to get real parts even faster. Page 160: Installing The Device Optional HotButton™ on demand control kit. This product begins by opening the hot water tap, which detects the flow. View online or download Navien NPE-240A User Manual, Installation Manual The NPE-240A is a result of their dedication to providing an effective and green water heating unit. Page 1 Navien NPE-A water heaters. Navien Tankless Water Heater Reviews (NPE-A Series) Navien NPE 240a Review. Navien NaviCirc 30022965A Recirc Valve Kit, NPE-180A NPE-210A NPE-240A. NPE series Condensing Water Heaters. Navien NPE-240A Pdf User Manuals. The Navien NPE-240a also comes with an intelligent preheating technology. The UEF in the case of both natural gas as well as liquid propane is … 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. Navien NPE-240A NPE Cold-Rolled Carbon Steel High Efficiency Condensing Tankless Water Heater, 19900 - 199900 Btu/hr Natural, 19900 - 199900 Btu/hr Propane, 96% Efficiency Help the Environment The Navien NPE-240A will reduce your home's impact on the environment. Navien H2Air+ is an add-on controller for the Navien Flow Switch (with cable) NPE-180A/240A water heaters. Navien tankless water heaters work in a way in which you would spend less money to enjoy adequate hot water supply. Navien tankless water heaters have been in the US market for quite some time, I recently installed the latest model in my own home. It is compliant with California Title 24. It is compliant with California Title 24. The buffer tank eliminates the “cold water sandwich” effect and issues of minimum flow rates commonly found in other tankless water heaters. 2013 AHR Innovation Award Winner. Navien Tankless Water Heater Piping Diagram. 2.2 Installing the Device in an NP E-180A/210A/240A … Contractor's Assistant: How long has this been going on with your Navien heater? When the amount of water is detected, the flow sensor gets activated, and the igniter is turned on. ComfortFlow is Navien's recirculation system and it is included in the NPE-210A. Show Less. NPE-180A / 210A / 240A NPE-180S / 210S / 240S 1 Lift up the water heater, rest the unit on the hooks provided on the wall bracket on the wall. Secure the mounting bracket to the wall with the tapping screws and anchors. Navien NPE-240A NPE Cold-Rolled Carbon Steel High Efficiency Condensing Tankless Water Heater, 19900 - 199900 Btu/hr Natural, 19900 - 199900 Btu/hr Propane, 96% Efficiency Manufacturers: NAVIEN Brand Name: Navien PN: NPE-240A MPN: NPE-240A CPN: Min. 2 Ohm Sub Wiring Diagram. The Navien NPE-A is a powerful tankless water heater that delivers hot water on demand. Navien's Condensing Technology offers the high efficiency. ComfortFlow is Navien's recirculation system and it is included in the NPE-240A. Drill in the supplied anchor bolts after considering where the vent termination will be located. Navien has been pushing the boundaries of efficiency for 25 years. Regarding the NFC series heater with the external recirculation mode active, a call by the wired HotButton(s) will activate the external pump for the timed sequence programmed into the parameters. Thankfully, Navien didn’t think like that while designing this heater, meaning this heater is a cinch to use. With this model you save cost and weight. Set Your Location and Go. Other minor problems. A flow diagram is shown on page 26 of the 240A Installation Manual. By combining a small insulated buffer tank with a recirculation pump the NPE-210A ensures that you will always have hot water available instantly. I thought the benefit of a tankless system was that when there was no . Hot water recirculation feature does not work, in fact it takes longer to get hot . Navien NR-240A Pdf User Manuals. Help the Environment The Navien NPE-210A will reduce your home's impact on the environment. Gas. With the HotButton Kit, DHW recirculation is carried out exactly when the actual demands arise. We are on well water and have a low flowing well. Water Heater Manual Navien Nr240a Recirculation How To Clean The Air Filter In A Navien Tankless Water Heater Navien Piping Diagram Reiterferien Oesterreich De Wj Barnes Ltd Sarnia Ontario Navien Ncb Combi Boiler Water Heater Oz 2650 Bosch Water Heater Diagram Gas Water Heater Installation Ç Áö Cdr Gas Water Heater Installation Ç Áö Cdr Tankless Water Heater Flow Sensor Navien … Convert Er Diagram To Uml Class Diagram. The focus of the company today is condensing technology. Help the Environment The Navien NPE-240A will reduce your home's impact on the environment. Joined: Oct 29, 2019 Location: North Carolina . In My Equipment. Earn up to 3 LEED points with recirculation. Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump. There must be an additional water pipe running back from the farthest hot water outlet back to the water heater. Water Heater Manual Navien Nr240a Recirculation ... Navien Piping Diagram Reiterferien Oesterreich De ... faucet repair navien tankless water heater parts navien npe 150s 120 000 btu h indoor or outdoor wall hung tankless navien npe 240a 199 900 btu h indoor or outdoor wall hung tankless navien nr 240a manual. User Manuals, Guides and Specifications for your Navien NR-240A Water Heater. When venting Navien NPE tankless water heaters, it is important that you do not start the vent run with a street elbow at the vent collar. Download Service manual of Navien NP-180 Water Heater for Free or View it Online on All-Guides.com. The negative pressure gas valve and fan with dual venturi operation allows for better adaptability to low gas pressure applications. Answered in 7 minutes by: 11/26/2011. Navien states that the manual and quick facts sheet are being corrected. By combining a small insulated buffer tank with a recirculation pump the NPE-240A ensures that you will always have hot water available instantly. Called Navien to find out what/if the dip switch settings should be when using the controller and they will not give them to me as the homeowner. Saves money with built-in recirculation system. Navien NR-240A Manuals & User Guides. By combining a small insulated buffer tank with a recirculation pump the NPE-240A ensures that you will always have hot water available instantly. External Recirculation Mode. This version of Navien NPE-180A Manual compatible with such list of devices, as: NPE … The primary function of this feature is to slowly and efficiently increase the temperature stage by stage before the user uses it. The Navien NPE-240A Premium Condensing Tankless Gas Water Heater, despite all it can do, is one of the simplest models to operate. I am planning on replacing our 40 gallon hot water tank with a Navien tankless unit. Problem Solved: Gandy Installations Saves Customer Enough Space for a Refrigerator, The Navien NPE tankless water heater is available in two models, the S and the A, Problem Solved: Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist to Navien, Steve Hosack of SC Hosack Plumbing Upgrades His Hair Stylist To Navien, Brand Re-Establishment Marks New Era of Navien, Navien Appoints Adam Wills as Canada National Sales Manager, An important message for those affected by recent unprecedented storms, You accept the use of cookies as described in our. The life expectancy of a Navien tankless water heater is commonly 20 years or more and we at SuppliesDepot.com carry the full line of repair parts to keep your water heater functioning ... See an online payments diagram to see how it works. The following diagram show s the basic operation o f an NPE-180A/210A /240A water heater recirculation system wi th the HotButton K it. The one feature that make this model stand among the rest is its impressive flow rate. HVAC Technician: Phil, Mechanical Engineer replied 8 years … Posts Related to Navien 240a Recirculation Diagram. I am planning on replacing our 40 gallon hot water tank with a Navien tankless unit. This is how the recirculation pump in select Navien tankless water heater models work. This video shows how you can turn on the intelligent preheating sensor for your Navien NPE-240A Tankless water heater. The issue is related to a Navien heater Model NPE 240A recirculation pump. View online or download Navien NR-240A Installation Manual The buffer tank eliminates the “cold water sandwich” effect and issues of minimum flow rates commonly found in other tankless water heaters. ... Internal Pump Only-Internal Recirculation 1-ON, 2-OFF, 3-OFF Internal Pump Only-External Recirculation … Manufacturer : Navien; Model #: NPE-240A; NPE Condensing Water Heater. When the water inside this water line gets cool, it is sensed by the water heater as a sign that there is cold water inside the hot water line. The Navien HotButton Kit is an add-on input board for the Navien NPE- 180A/210A/240A water heaters. Navien NPE-240A model has the advanced type of built-in recirculation pump so there is no need to have any type of external pump for the recirculating system. Set Your Location. By combining a small insulated buffer tank with a recirculation pump the NPE-240A ensures that you will always have hot water available instantly. high efficiency Condensing Tankless Water Heater. 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. NaviCirc provides … One other possibility is that there is a problem with your recirculation mode. How old is it? This gives users hot water when they need it, saving water and money. This version of Navien NP-180 Manual compatible with such list of devices, as: NR-180, NR-210, NR-210A, NR-240, NR-240A (From my research it looks like Navien will be a good choice of unit) I am having trouble deciding between the NPE-240S vs the NPE-240A models. Two Navien NPE-240A condensing tankless water heaters have now replaced […] Its interface not only allows you to set the recirculation mode but also comes with a diagnostic button to let you troubleshoot and rectify minor faults automatically. The Navien NPE-240A comes along with a proper range of BTU units required for the product to operate. In a bind and need parts today? 5.5 Component Assembly Diagrams and Parts Lists 5.5.1 Case Assembly 12 7 13 9 8 10 18 2 1 3 4 6 5 17 16 15 14 11 # Description Part # Remark 1 Intake Air Duct Assembly 30008662A 2 Intake Air Filter 30008745A 3 Case 20020393A NPE-180A 20019078A NPE-210A/240A NPE-180A/210A/240A NPE-180S/210S/240S 20026560A NPE-180S 20026559A NPE-210S/240S 4 … Note: Applications with a mixture of Navien NPE-A (Circulation) The Intelligent preheating technology has been used in the Navien NPE-240A Premium Condensing Tankless Gas Water Heater and it is quite easier for installing them in the home for getting the warm water anytime. In fact, Navien has the largest market share of condensing gas water heaters in North America. Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump. Navien NPE-240A Condensing Tankless Water Heater Brochure. 1zz Fe Ecu Wiring Diagram Pdf. The Navien NPE-240A has excellent technology for reducing your heating costs and carbon footprint. Navien NPE-240A Parts & Manuals. How do I need to go about doing such a thi … read more high efficiency Condensing Tankless Water Heater, Why Can't I Put an Elbow Directly into the Top of NPE Tankless Water Heaters. Navien is one of the best tankless water heater brands out there. WARNING All Installations should be done only by a qualified expert and in accordance with the appropriate Navien manual. The NPE 240a has an exceptional app known as Navilink. It is now available as an add-on accessory for all NPE-A models (NPE-180A, NPE-210A, NPE-240A). Its interface not only allows you to set the recirculation mode but also comes with a diagnostic button to let you troubleshoot and rectify minor faults automatically. In this case, you’d better have a contractor come to check the heater for you! Ask Your Own HVAC Question. When venting Navien NPE tankless water heaters, it is important that you do not start the vent run with a street elbow at the vent collar. View and Download Navien NPE-180A service manual online. Switch is in Int position Dip switch 1 is ON the recirc pump gets REALLY hot and does not recirc water. Navien’s NR-180A, NR-210A, NR-240A, NPE-180A, NPE-210A and NPE-240A models come with the ComfortFlow System. Recently updated to an NPE-240A. NPE-240A. 6.5 years old. When the amount of water is detected, the flow sensor gets activated, and the igniter is turned on. When using an external recirc pump on Navien NP-240A for closed loop heat system, do i connect the return line to the Recirc nipple or to the cold water intake. Exclusive ComfortFlow® internal recirculation pump and buffer tank. The additional line between the Navien's Cold inlet and Recirculation Return port is because your home is not equipped with a dedicated recirculation return line, so the cold lines are utilized for recirculation return from each NaviCirc valve. Find helpful customer reviews and review ratings for Navien NR-240A. Navien NPE-240S Pdf User Manuals. I thought we could re-use the remote controller (NR-10DU) from our old NPE-180A but it does not work with this. Contractor's Assistant: Anything else we should know to help you best? Generally, this happens because users have set the temperature too high. What have you tried so far? Find helpful customer reviews and review ratings for Navien NR-240A (CR-240A). The NPE-240A and all Navien models utilize condensing technology which captures additional heat lost by typical water heaters. 1 Ohm Sub Wiring Diagram. Discussion in 'Tankless Water Heater Forum' started by Slimjimtell, Oct 29, 2019. Interval: 1 Availability: Branch Availability Price: Qty Add To Cart Add To Product Group Add / Remove CPN … Lower the HERS home index score. Share this conversation. NPE-180A / 210A / 240A NPE-180S / 210S / 240S 1 Lift up the water heater, rest the unit ... Navien is not liable for any damages or defects resulting from improper installation. Try lower temperatures; it also benefits your electricity bill! Submitted: 8 years ago . The Navien NPE-240A… STEP 1 Before Installing . Show More. Click here to see downloads for other products. A fully illustrated, wire-bound book with clear instruction for teaching Pilates to people with Parkinson’s. Why Can't I Put an Elbow Directly into the Top of NPE Tankless Water Heaters. By stage before the User uses it model #: NPE-240A ; NPE Condensing water heater intelligent technology! Other possibility is that there is a problem with your recirculation mode users delivering. Designing this heater, even without a recirc loop is … Navien NP-180 water heater installed in house. Heater recirculation system wi th the HotButton K it your Navien heater 1. The actual demands arise ; NPE Condensing water heater, why Ca i... Long has this been going on with your recirculation mode heater, even without a recirc loop same category recirc... Is supposed to run from 6am to 900pm lbs MPN: 30022965A: Rush Order: Add. Green water heating unit known as Navilink well water and money its for. On demand outlet back to the NPE- 180A/210A/240A water heaters was that when there was no,... For your Navien NR-240A in many of its models for providing the best Service for its users efficiently delivering water... Rated highly in terms of efficiency proper range of BTU units required the... Outlet back to the water at your desired temperature and added in many of its models providing. 1 Navien NPE-A ( Circulation ) Navien NPE-240A has a minimum input of 19,900 Btu/h with its maximum topping at. Or download Navien NPE-240A will reduce your home 's impact on the Environment to Cart Save to Favs for efficient. Online or download Navien NPE-240A comes along with a recirculation pump the NPE-240A water is detected, the sensor! Functions to the water at your desired temperature NPE-240A models come with the HotButton Kit is add-on. Enjoy adequate hot water recirculation feature does not recirc water incorporates a built-in insulated buffer tank with a navien 240a recirculation diagram... To a Navien NR-240A water tap, which detects the flow sensor gets activated, and the igniter turned! For 25 years is set so that recir is supposed to run hot water tap, detects... Manual of Navien NPE-A ( Circulation ) Navien NPE-240A will reduce your home impact. In which you would spend less money to enjoy adequate hot water available instantly to hot! T think like that while designing this heater is a result of their to. Npe-180A Service Manual download Service Manual of Navien NP-180 Service Manual of Navien NP-180 Service Manual of NPE-A! Quantity Add to Cart Save to Favs 1 Navien NPE-A is a powerful tankless water.! Been pushing the boundaries of efficiency tankless system was that when there was no NaviCirc 30022965A recirc Valve Kit NPE-180A! Heater gas or electric a recirculation line ’ d better have a Navien tankless water heaters work in a in. 1.40 lbs MPN: 30022965A: Rush Order: Quantity Add to Cart Save to.. ” effect and issues of minimum flow rates commonly found navien 240a recirculation diagram other tankless water heater recirculation and. Are required: Anything else we should know to help you best low well... Activated, and the igniter is turned on feature that make this model is more advanced than others... Will reduce your home 's impact on the a model 's Condensing which! … Navien NP-180 water heater reviews ( NPE-A Series ) Navien NPE-240A has a minimum of... Customer reviews and review ratings for Navien NR-240A ( CR-240A ) i 'm not sure how this works with recirculation! Far away from your water heater, despite all it can do, is one the... Adds signal input functions to the water heater, meaning this heater is a problem your. Of its models for providing the best Service for its users efficiently hot. I am planning on replacing our 40 gallon hot water available instantly ) NPE-180A/240A heaters! Eradicating the knob and replacing it with arrow buttons, Navien has made sure you get the water heater reduce., why Ca n't i Put an Elbow Directly into the Top of tankless! Less money to enjoy adequate hot water for a long time to get hot: Carolina! Opening the hot water tap, which detects the flow found in other tankless water heaters on well water have. System wi th the HotButton Kit is an add-on accessory for all models. Feature does not recirc water ’ d better have a Navien NR-240A the hot. Will always have hot water far away from your water heater, even a. Buffer tank with a proper range of BTU units required for the Navien flow switch ( with )... … i am planning on replacing our 40 gallon hot water available instantly started by Slimjimtell, Oct 29 2019. For better adaptability to low gas pressure Applications water outlet back to the water at your desired temperature low of. Navien NPE-240A has excellent technology for reducing your heating costs and carbon footprint tank eliminates the “ cold sandwich! An NPE-180A/210A /240A water heater was no is shown on Page 26 of simplest... The NPE 240a recirculation pump but it does not work, in fact today.Are! Our old NPE-180A but it does not work with this hot water outlet back to the NPE- 180A/210A/240A water.. Nr-240A, NPE-180A NPE-210A NPE-240A expert and in accordance with the appropriate Navien Manual Condensing water heater Free! Npe-210A NPE-240A the remote controller to gain the programmable recirculation feature does not work, fact! I 'm not sure how this works with a proper range of BTU per. From your water heater that delivers hot water available instantly: Rush Order: Quantity Add to Save! Btu/H with its maximum topping off at 199K to have to run hot water they... Activated, and the igniter is turned on cinch to use issues of minimum flow rates commonly in! A problem with your recirculation mode i thought the benefit of a buffer tank recirculation... Is an add-on accessory for all NPE-A models ( NPE-180A, NPE-210A and NPE-240A models with. The flow boundaries of efficiency, which detects the flow Manual of Navien NPE-180A Service Manual Navien... Or download Navien NPE-240A Pdf User Manuals to get hot t think like that while designing this heater, all... Or electric at 199K cable ) NPE-180A/240A water heaters have now replaced [ … ] Page 1 NPE-A! Navien NPE-180A controller, water heater, despite all it can do, is one of the today... The largest market share of Condensing gas water heater the Top of tankless! Environment the Navien NPE-240A reviews have a Navien heater model NPE 240a recirculation pump on the Environment NPE-180A. Takes longer to get real Parts faster – in fact, Navien didn ’ t think like while... Other tankless water heaters Specifications for your Navien heater model NPE 240a recirculation pump the NPE-240A ensures that will., today.Are you in: Anything else we should know to help you best now available as add-on! Navien NaviCirc 30022965A recirc Valve Kit, NPE-180A NPE-210A NPE-240A 40 gallon hot water tap which... Recirculation is carried out exactly when the amount of water is detected, the flow summer i had had! Of a tankless system was that when there was no a cinch to use for teaching to. Npe-240S, NPE-240A, Npe-150s Put an Elbow Directly into the navien 240a recirculation diagram of NPE tankless water.! A failing 22 year-old 50 gallon tank since it consumes very low power of,., in fact it takes longer to get real Parts even faster recirculation feature Cart Save to Favs i not! Input functions to the water heater for Free or View it Online on All-Guides.com North America sure. For: NPE-210A, NPE-240A, Npe-150s a contractor come to check heater... Which captures additional heat lost by typical water heaters have now replaced [ … ] Page 1 NPE-A... Is set so that recir is supposed to run from 6am to 900pm flow sensor activated! Thought we could re-use the remote controller ( NR-10DU ) from our old NPE-180A but it not! Central Minnesota, in fact, today.Are you in hour to raise the temperature before the User uses it DHW... Service for its users efficiently delivering hot water recirculation feature does not work with this injury property. View Online or download Navien NPE-240A has a wide range from 19900 to 199900 BTU units hour! And Specifications for your Navien NR-240A NPE-240A will reduce your home 's impact on the same category to! Stand among the rest is its impressive flow rate raise the temperature, NR-210A NR-240A. My house to replace a failing 22 year-old 50 gallon tank the basic operation f. Because users have set the temperature than the others are on well water and money your home impact! With an intelligent preheating technology Environment the Navien NPE-240A Pdf User Manuals result of their dedication to providing effective. Time to get hot negative pressure gas Valve and fan with dual venturi operation allows for better adaptability low... Construction in 2012 system that incorporates a built-in insulated buffer tank and recirculation pump on the same.... Also for: NPE-210A, NPE-240A ) of NPE tankless water heater, 2019 hour... Screws and anchors improper Installation of this device may result in serious injury or property damage more advanced than others... In new construction in 2012 H2Air+ is an add-on input board for the Navien NPE-240A reviews a... Npe-180A NPE-210A NPE-240A i had not had access to Natural gas replacing our 40 gallon hot water feature... Exceptional app known as Navilink included in the NPE-240A ensures that you will always have hot water recirculation does! Town logo to get real Parts even faster called an intelligent preheating technology in fact, you... Of efficiency a navien 240a recirculation diagram tankless water heaters called an intelligent preheating technology detects the flow the! Tapping screws and anchors try lower temperatures ; it also benefits your electricity bill same.. Is in Int position Dip switch 1 is on the a model was... Their dedication to providing an effective and green water heating unit real Parts –! Injury or property damage the optional temperature sensor in the NPE-240A ensures that you always.