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. Hot Water Recirculating Pumps Explained: Why, How, Costs (+Tankless) Question: Can a recirculating pump last for 10-15 years?Answer: If you use it properly, it should last at least 10-15 years. Then replace the heater cover and turn the gas or power back on. Is a Hot Water Recirculating Pump Worth It? 10 Pros and Cons - Your H2Home 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. This issue is more common in older heater models. Hi Christopher, not really. The electric recirculation pump uses this other pipe to pump the hot water back into the boiler or water heater. Allow it to dry for some time before fixing it again. Difficulties with estimation of epsilon-delta limit proof. Fortunately, Navien water heaters recycle hot water and always provide hot water. Remove the inlet filter and wash it under the running water with the help of a brush. My pipes arent big enough 2. Then, read the manual on Navien tankless water heater how to reset. Well tackle the installation and running costs of a circulating pump in full near the end. Some sort of noise out of your Navien recirculation pump is normal. You can tell because the cold supply line is connected to the circulating return. For more information, please see our 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. Remove the front cover of the water heater. Navien Recirculation Pump Noise [4 Easy Solutions] Turn the unit off. I agree the user manuals are very helpful. A hot water recirculation pump can be sized for a given system using the following formulas: Water flow qc = /T x 4200 how to turn on navien recirculation pump - khushboocatering.com 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. We always take the pros vs. cons approach because nothing is perfect. This is the system you can see in the photos above. 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. Does anyone know the logic behind how Navien controls their internal recirculation pump when it is circulating with an external loop? Connect a regular garden hose to the hot side service valve. When we dont have to use it, why keep it on? Also, check the feeder valve and pressure relief valves activity. You can turn off the recirculating pump in various ways. I have the newest version pcb since I just bought the tankless. (1000-3000+ Sq Ft Homes), Thermostat Says Heat On But No Heat? 10.6 Maintenance 10.7.3 NPE-180A/240A Pump P-Q Curve The Navien NPE-180A and NPE-240A water heaters that are used . So, there is such a thing. (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). Return this item for free. Circulation pumps can wreck havoc on your lines if you run them constantly due to friction at bends causing pinhole leaks. To change the water temperature; Check this too: Richmond Water Heater How to & Troubleshooting Guide. Get in touch with Navien technical support at 800-519-8794. Any tips on where to verify if I have a dedicated return line? Some of our partners may process your data as a part of their legitimate business interest without asking for consent. If you have a Navien tankless water heater this can be done by simply pressing a . This Navien 30010780C Circulation Pump for NPE Series is a genuine OEM repair part. Turning off your water recirculating pump reduces damage. (With Water Savings Analysis), Note On Tankless Water Heater Hot Water Recirculation Pumps (Double Trouble), How Much Electricity Does A Tankless Water Heater Use? We were advised of this upon installation. It shows that the heating return thermistor is not working correctly. Check the wiring and cold water inlet two thermistors and make sure both are in good condition. 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 Then, tighten up the cap again once you remove all the air from the loop. Navien NPE-240 A Recirculation Line - YouTube 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. This is because the motherboard or control board is the units brain responsible for receiving and transmitting information in the heater. Close the isolation valves to the cold-supply and recirculation lines. Refer to the user manual to locate the Hot Button and then press it to activate hot water recirculation. To learn more, see our tips on writing great answers. The main sign of motherboard or control board failure is intermittent switching off and on. Is there the same solution for NR240A? Navien 240A2 tankless help : r/Plumbing - reddit For a better experience, please enable JavaScript in your browser before proceeding. Place the filter assembly back into the water heater and secure it with the screw. Then, turn it on again. It means there is some issue with a water pressure sensor. SEER = (1 EER100% + 42 EER75% + 45 EER50% + 12 EER25%)/100, Total Heat (BTU/hr.) The water heater will retain your settings during a power outage. Press question mark to learn the rest of the keyboard shortcuts. So, ensure you purge the air out of the recirculation pump to operate the unit quietly. Is there a recirculating pump for the tankless water heater known as Trutankless? There are no error codes showing. Disconnect the power supply to the water heater. A family of 4 with normal water usage can expect to save $50-$75 a year. Ensure you mount the pump securely. The user manual for these devices (of which I own two) provides a pretty good plumbing diagram for proper install. You dont have to install an additional pipe. Wash it under the water with a brush, let it dry, and then place it back. The recirculation pump will make a squeaking noise if the installer fails to install the primary loop correctly. Open the pressure relief valve. We have one faucet in the kitchen that has instant scalding hot water the second you turn it on . Then, use the arrows to set the desired temperature. Also, did you wire the PB from the Hot Button kit or only use the remote? Thats why most homeowners prefer installing the recirculation pump without the extra pipe. NaviCirc Recirculation Valve | Navien Foreign materials like small pebbles may get into the recirculation pump. You can return the item for any reason in new and unused condition: no shipping charges ; There are filters that prevent the sediment from entering the water flow. . Check to see if the warranty is still valid and contact the manufacturer. Categories Home Improvement, Patio, Lawn & Garden, Plumbing, Tools, Water Valve Handle Broke Off? First, you need to consider Things to consider when sizing the busiest usage period or peak time. I bought the. When attempting a flush of the system, I shut off the hot and cold valves that lead into the heater. If we dont use it, we waste a lot of water. If pointed in the right direction, though, I might be able to solve this. and our they have an accessory called the HotButton (PZZZ-00046). Error Code E438 It means the circulation pump is not working correctly. Buzzing noise out of the recirculation pump will be general if you or your plumber dont mount the pump securely. link to How to Connect a Generator to Your Tiny House Without a Transfer Switch, Electric RV Water Heater How to & Troubleshooting Guide, Richmond Water Heater How to & Troubleshooting Guide, Insinkerator Hot Water Dispenser How-to & Troubleshooting Guide. 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. 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. In fact, however, the whole machinery of the hot water recirculating pump has to be activated for this to happen. Locate the power button and press it to turn on the heater. Is the plumbers reasoning valid here? NPE-A2 Series | Navien Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. The heating supply thermistor is defective. 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). I don't hear the heater "fire up" right away when the tap is opened and can't tell if the recirculation pump is running. Also you need not be concerned about pump damage. For example, if you have a person showering and another individual shaving. Turn the pump off and dump the vinegar. How? Then check to see if the plumbing lines and the heaters water lines are clogged. Shut off the appliance for half an hour and then restart. To select a recirculation mode, you must set the DIP switches on the front panel, and set the position of the 2-way valve inside the water heater. Carbon monoxide (CO) is a tasteless, colorless, odorless, and highly poisonous gas which can be deadly to humans in high concentrations. Sold by HVAC Pros and ships from Amazon Fulfillment. Consider yourself lucky if this installation hasn't damaged your circulating pump inside the unit. Thats 2,920 gallons of water per year wasted. Brand: Navien. 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. Is this correct for the function of the system? Navien Tankless Water Heater Manuals - Find Them Here! - Hoffmann Brothers You can contact a plumber if necessary. Home Improvement Stack Exchange is a question and answer site for contractors and serious DIYers. You will see in the photo that the cold water valve shuts off water into the domestic water inlet but doesn't have a shut off into the circulation water inlet.