And to thaw the ice my plumber told me to take the front off the boiler to let the warm house air go thru the unit, and this does thaw it out, but I shouldn't have to take the front off the unit thru out the winter. Navien continues to eagerly provide high quality and innovative products that are environmentally friendly, energy saving, and comfortable. To answer your questions, first, md21gyk-Venting thru the wall was not an option because it would have vented on my front porch and Illinois code does not allow venting thru my soffit. Inspection and cleaning of the intake air filter. Wonder if that will cause a problem. 1. So I got on the roof myself and cut off the single exit fitting that the plumber installed and installed a T as the manual shows. Possibly because the vertical pipe is secured at each floor. The share of sales of Navien in Korea, Japan, the Pacific Region and the United States is 80%. It only freezes where the exhaust air exits the pipe on the roof, you will see an icicle forming on the pipe just days before its about to kick the boiler out. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Been hearing what we thought was a dripping sound in the exterior wall but source narrowed down to the the vertical exhaust pipe carrying the exhaust from a Navien NPE-240A tankless hot water heater. When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions. JavaScript is disabled. I also designed a home made grill/screen out of coated wire that allowed for much larger exit holes on the T. I thought that by adding the T on the exhaust pipe it would take care of all freezing this winter, but it only took about a week of below freezing weather for the ice to form and cause my unit to shut off. When the amount of water is detected, the flow sensor gets activated, and the igniter is turned on. The Navien 30014367A Common Vent Collar Kit & Damper/Backflow Preventer stops exhaust gas backflow (back-draft) at the exhaust vent during operation of the water heater or boiler. Also, the NPE-240A uses a secondary heat exchanger to transform condensation and exhaust into additional heat. this is not my own pic but same thing. Is the tee vertical, or horizontal. I not only use my Navien waterheater for domestic hot water, but I also use it to heat my infloor heating system. Still looking for a way to keep my exhaust vent pipe from forming ice at the end of pipe. Last year Navein had pulled back almost 3,400 on demand water heater (tank-less) for the second time due to CO contamination but the scenario of the first time was a bit different in 2009. Turn OFF the system for at least 30 minutes then restart. We have partnered with Authorize.Net a leading payment gateway since 1996, to accept credit cards and electronic check payments safely and securely for our customers. :) These are 2013 Navien T love Ch 180's on left and right. I didn't realize auto type somehow changed love to loves. $9.95. Be the first to write a review. Does anyone else have this problem with their Navien or other boiler/waterheater, and if so how did you fix the freezing up of the exhaust pipe? Thanks. Not enough fresh air, or some blockage in the air vents. Remove exhaust pipe if possible to verify vent E110 blockage. Navien 20018454A Exhaust Packing Ring. It specializes in the production of gas, diesel boilers. Get rid of the wire. If the grade is wrong on the vent that can be fixed without too much surgery. Page 71 3. Your Navian needs combustion air from the outside. Exhaust Overheat: exhaust limit sensor shuts down the unit when the flue temperature exceeds 230 °F for more than 10 seconds. Can someone give me advice on why or how to fix my Navien tankless waterheater/Boiler, my exhaust pipe that exits threw the roof, keeps freezing up in the winter? … Usually that just meant that air filter on the input air is clogged. Subscribe. Turn OFF the unit, wait at least 30 … Navien recommends whenever possible, that its water heaters be used as direct vent (or sealed combustion) units which draw all of their required combustion air directly from outside the building and where the combustion air supply is connected directly to the air intake collar of the water heater. Shop Navien Heat Exchangers today at SuppliesDepot.com. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! Also, look for the loose connections, and are the vent type, bends, lengths and clearances per specs. Screens cause quicker freeze up. It is repeatedly breaking down and the cost is out of our pocket. (would not take a complete blockage to stop the unit anyways, if the exit is partially blocked it will sense the excessive pressure and shut down). The only other issues it could be are the venturi hole is blocked, the air pressure sensor needs replacing or the PCB will need replacing. Your first code was exhaust blockage, ... We also pulled out the air filter to see if it needed cleaning before we found out the exhaust was attached to the wrong vent pipe. Your Water Heaterr models include a Navien CH 180 Gas Fired Water Heater and a Navien CH 210 Gas Fired Water Heater. Exhaust blockage (Using hot water) 3. Exploded View of Gas Pipe Assembly ONLY. Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. On 2019-06-25 by Anonymous. I'm not a pro and have not seen a lot of tankless installations, but none of those I've seen, not even one, exhausted through the roof. Oh, and to the question, did I use a screen over the end of the vent pipes? So if you get that error you just take off the cover and in the extreme top left of the machine you unscrew the mesh filter and clean it out and start it up again and things are fine. Navien combi boiler manual reset NO REGISTRATION, just download ... How to fix: Confirm that there are no obstacles in the exhaust pipe. Make it a vertical tee. Clean the inlet water filter. Qty: * Reviews (0) Write a Review. Mikegp, my plumber originally put the single exhaust(upside down J) that you described in place, but it seemed to freeze up quick in just a couple of nights where the temp got below freezing. We are considering changing back to central heat and water heater. I know that its not good to leave the front cover off my unit because of a possible hazard like if my heat exchanger ever cracked I could get carbon monoxide in the house, so I don't take it off unless my exhaust vent pipe freezes up. Navien 30015421A Fan Assembly: Navien 30008834A Fan Assembly: $149.95. Ghostmaker, to answer your question, yes. direct the exhaust plumes away from buildings, as long as the total allowable vent lengths, maximum number of elbows, and distances to air intake restrictions are observed. 4. Write a Review. It just makes it freeze easier. Price: $3.00. $146.95 . $9.95. The sound is triggered only AFTER there is a short burst of warm water at any faucet, and only if there has been no faucet use for 20-30min or longer. Navien Tankless. #E109 and E110 issues. Thanks for the reply's guys. Been hearing what we thought was a dripping sound in the exterior wall but source narrowed down to the the vertical exhaust pipe carrying the exhaust from a Navien NPE-240A tankless hot water heater. The filter was clean, so we put it back. i believe it is the recirculation pump air vent. We have a Navien 180 tankless water heater. Navien products reduce energy consumption without sacrificing comfort. I also noticed that the pipe opening through the roof is not covered nor curved so rain will go in. How to fix: Call for technical support (800-519-8794). 2. Navien is one of the ten largest Korean manufacturers, which is competing with LG, Samsung, Hyundai and others. Check and clean the intake air filter. Navien tankless water heaters work in a way in which you would spend less money to enjoy adequate hot water supply. Exhaust Overheat: exhaust limit switch shuts down the unit when the flue temperature exceeds 230 °F (110 °C) for more than 10 minutes. This product begins by opening the hot water tap, which detects the flow. Check the exhaust pipe for obstructions. If you were to put a different shape on the top of the exhaust would it help? Can you give us a little more detail on what its looks like when its frozen? Navien NPE 240 water heater. Assignee: KYUNGDONG NAVIEN CO., LTD Inventor: Dong Keun Lee Method for detecting blockage in exhaust flue of gas boiler. Adjusted Price: $3.00 * Marked fields are required. Their tankless models, such as this one, only heat water when you need it, reducing energy expenditure. Page 30 12. SPS1- the ice didn't seem to be completely blocking my vent, I have a T at the end of my vent and ice forms out both sides, but its enough blockage to shut down the unit. Mine exhausts through a side wall, with a slight downward slope so any condensation that may form will simply drain out before freezing. 1:15. Navien is a manufacturer of various universal energy equipment in Korea. 1 - 5 of 5 items Sort By: Navien 30000405A Fan Assembly: Navien 30008825A NPE Fan Damper : Navien 30011856A Fan Motor Damper: $89.95. Like an upside down J or a T? The recalled water heaters and combination boilers were manufactured between July 9, 2018 through October 14, 2018. I am pretty sure that if you contact Navien they will send a replacement air pressure sensor for free. The plumbing company originally did use the supplied vent grill/screen on the vent pipes, but either the ice forced the one on the exhaust side out or it just kept falling out on its own, and the plumber also only used a single exit fitting on the end of the exhaust pipe, so last year I finally read up on the manual myself and saw where navien recommends a T on the end of the exhaust pipe. The combustion air comes from outside, both my exhaust and combustion air vents are thru my roof and one to two feet apart from each other. ... Navien tankless water heater problems are sometimes hard to comprehend, not to mention fix the heater on your own. In 2006, Navien opened an office in the United States in an effort to open markets in both the US and Canada. If you want to get involved, click one of these buttons! Helping You to Do It Yourself! Navien Parts >> Navien Fan Motors Navien Fan Motors . It cannot be from the inside of the house. Anything blocking the exhaust or air intake should be removed. one week of below freezing temps for it to freeze up verses just a couple of nights with the upside down J. DANGER See Figure 5. Theres got to be a fix for this, does anyone have any ideas? Showing signs of exhaust leak in the tankless combi boiler flue (Navien NCB210E) Related Videos. Ghostmaker- my vents are directly vented outside thru my roof and my area is well below freezing during the winter, so the non direct venting is not recommended, although that's exactly what I'm doing when I take the front cover off my unit to thaw the exhaust pipe ice that's formed. Thank you. I know when the warm air from the waterheater meets the cold outside air it causes condensation that then freezes, but theres got to be a way to fix this, otherwise if I were to go on vacation this time of the year and my exhaust pipe froze up again, it would kick the waterheater out like it did on me last night and hours later if I were not here could cause my inside waterlines to freeze and burst. The wire is just something for the moisture to collect and freeze to. The screen you mentioned is not really a screen at all, what I did was to take coated wire and made a grid on the ends of the forty five degree fittings. navien 210A NPE. Do you have a 3" ball of ice in the pipe? 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