Navien Condensate Trapubx If you have a condensing tankless water heater, slope the venting ¼” per foot and toward the heater. All Navien O-Rings are brand new in the original factory packaging and are guaranteed to fit and function properly. Condensate treated by a neutralizer should have a pH level of at least 5. One is doing half of the domestic load only, the other is heating a basement slab with a heatbox & doing domestic for the other half of the house. Navien NPE-180A2 Tankless Water Heater Installation Guide. Installing the boiler in a location without a drain will void the warranty and Navien will not be responsible for. com ✓ FREE DELIVERY possible on eligible purchases. Water heater was installed in 2014, so this leak. The condensate trap is located at the bottom of the unit. KD Navien® GXXX001952 Condensate Trap Kit. the furnace (behind me in the pics) does the same thing. On Twitter: gulfstream cafe brunch menu On LinkedIn: silicon valley reunion On Facebook: umbrella plastic cover dispenser. Get genuine Noritz factory OEM Condensate Traps for your Noritz tankless water heater. Anything else that needs to be done? From what I am reading on the Navien website, inlet water screens and air filters need to be cleaned. Condensate Removal Pump Proselect Hepa Filters Condensate Drain Trap Condensate drain trap Refregerator parts Compressor Relay & Overload Navien CR-210 • 9. A lot of water continuously flows through the condensation line even the heat exchanger is not operating. The condensate Trap was almost completely blocked. Condensate trap 2" PVC exhaust. 8bg Navien NPE-240S water heater leak on condensate syphon - YouTube Small drip coming from the condensate syphon trap for a Navien water heater. Navien Condensate Drain Hose 30003121A, OEM Part. The loop must be filled with water to prevent combustion gases leaks into the room. navien condensate water clean out. Sold by SOUTH AVE LLC and ships from Amazon Fulfillment. If navien service, replace heat pump or services and pdf user guides for getting into the igniter wears down to hard to be free repair. Cleaned out the drain and it started leaking. 8n5 As an Official Navien Service Specialist we are the go to Plumbers Near You for Your Navien. 3/14 • The Y-fitting is a safety overflow in the event that the condensate drain becomes clogged. The flow only occurs during programmed "off" periods, but not always. Rinnai has made the best condensating trap for their line of tankless water heaters. salmonhunter71 Member Posts: 11. This is a short length polymer pipe with a vapor trap in order to prevent exhausted gases from being expelled into the building. I changed it, but it now leaks from the condensation hose. Horizontal Venting Installation. We have fast FREE SHIPPING on all orders over $99 and ship all orders within 1 business day. Thanks I found a plumbing source. (You save ) Rinnai 222053 Condensate Trap. 20006947A - NAVIEN O-RING EPDM P18 NSF E7518 EWK2. The new NHB boiler series is the next in line of innovations from Navien. Navien GXXX001952 condensate trap. If this is not possible, external pipework is acceptable, see section 4. A trap apparatus of condensate water according to the present invention comprises: a neutralizing part including an inlet through which condensate water is introduced, an internal space for containing a neutralizing agent for neutralizing the introduced condensate water, and a condensate water passage through which the condensate water that was. Navien 30004831C Motorized 3-Way Valve. Gang, I have 2 Navien NFB-200s that are exhausting via a common vent. Please see below for important warranty information and a list of models that this part fits. Navien Condensing Combination Water Heater / Heating Boiler 1 Remote Controller 1 Owner's and Installation Manual 1 Wall Mounting Bracket 1 Condensate Drain Hose 1 Tapping Screws & Anchors 4 Vent terminators 2 Wall Flanges 4 Pressure Reducing Valve Kit 2+1 Accessories: Check that you have received all of the above parts before installing the. The vertical installation has an upward slope, and it is equipped with the condensation trap, a rain cap at the end, or an elbow. 5j The O-Ring seems fine but I have to replace it. Navien NCB‑E, NHB and NFB Series boilers. Manufacturer Part No: 30009933A. FREE Shipping on orders over $25. 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no . The leak can only be stopped when I close the cold water inlet. This Navien GXXX001322 Condensate Neutralizer Kit with Tubing is a genuine OEM repair part. 20017211A - O-RING EPDM P19 NSF E7518 EWK2. If you do not have an online account on Winsupplyinc. NaviClean™ magnetic boiler filter. 66 ss GXXX001901 - NAVIEN ADJUSTABLE ROOF FLASHING. vjc This item: Navien 30009933A O-Ring Kit. If the pH level is below five, it’s time to take action. yul Part 5 of the series on the RUR condensing unite. Buy 30003121A Navien Condensate Drain Hose BH2206006A: Everything Else - Amazon. The condensate should not drain through a heater but the trap. s7m 11 3-way Valve 129 Navien products come with a limited warranty covering. All Noritz Condensate Traps are brand new in the original factory packaging and are guaranteed to fit and function properly. Can I do it myself or do I need to use a professional for it (living in MA) At the bottom there is what I believe is the “condensate trap”: what is it for exactly?. This Navien 20018079A O-Ring G75 is a genuine OEM repair part. (After some googling, i found out they could have greased an O. The loop must be smooth, with no restrictions or kinks; it must provide free condensate drainage. The 222053 condesate trap works with all . Setting up a drain tube for the condensate out of the tankless water heater to the existing laundry drain. Then the condensate pump has that vinyl tubing stuck into a stand pipe that isn't tall enough, just waiting to syphon that trap out once the check in the pump fails. Get genuine Navien factory OEM Condensate Parts for your Navien tankless water heater. Big mistake for a couple reasons. The first units went out with bad heat exchangers after 6-mos. Navien Condensate Neutralizer for Navien NPE-150S Condensing Tankless Water Heater. Ventilation and navien approved for use this service manual navien original factory component exactly to make it does not the basement you have. When servicing a Navien LCB700 Blue Flame oil boiler, In addition, Navien recommends checking the condensate trap and filling it with . nz traps the debris, and water is clear. I am having issues with 2-Navien's. Background: The CH180 unit always (from day 1) had grey colored condensate, and the trap always had heavy grey/black sludge in it. Check for Proper Gas Delivery 9. Little Giant 550521 205 GPH Shallow Condensate Removal Submersible Pump for Air Conditioner Drain Pan or Reservoir, Dehumidifier. Flow Sensor Water Adjustment Valve Mixing Valve. A service technician can test the pH of condensate via two different methods: paper testing strips or a digital pH meter. The 222053 condesate trap works with all plastic and metal components. If the pH level is below five, it's time to take action. The best solution is to get a hot water bottle and place it on the pipe and allow it to defrost the line. If filling the trap is not performed, because natural gas and the air used for combustion contains moisture, condensation will naturally form on the cooler plastic vent piping interior walls so that condensed water will flow back to the Navien unit where it will refill the condensate trap within a short time. First, you can utilize a downward slope to deploy the vent's adapter, 90-degree elbow, and the stainless steel vent hose. y7 Alot of water drains from this hose as soon as the water inlet. Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. We recommend checking in on your condensate neutralizers every month. It is brand new in the original Navien factory packaging and is guaranteed to fit and function properly. bp I have a 3 year old Navien 240a tankless water heater. Make the circular trap (P shape loop) about 12" below the top of the unit and secure it with the zip ties to prevent the loop from unfolding. lro Navien NCB is the first high efficiency tankless condensing combination boiler with the capacity to supply both heat and domestic hot water . 7c Navien tankless water heaters & boilers for residential and commercial applications use innovative high efficiency technology to provide a comfortable environment. BH2421008A - BH2421008A O-RING -. Tankless water heaters, boilers, and furnaces which are at least 93% efficient produce 1. Rectorseal 83406 EZ Transparent Trap. This was found on a annual service of the boiler. The end of the 1/2" (NPT) plastic piping should drain into a laundry tub or into a floor drain. The master unit had the oily condensate, looks exactly like your picture, and the other did not. g3 All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. For media enquiries, please contact our corporate media office. customer support hotline, which was a completely satisfying experience. is gx Navien tech support said they had never seen the issue, but did indicate that the DIP switches on the two units were set wrong. 8 GPM Endless Hot Water • 2-3 Applications • 98 % Thermal Efficiency • Stainless Steel Heat Exchanger • Remote Water Temperature Control • Electronic Ignition • 175,000. Navien BH2507400B Fastener "A" For Condensate Trap Navien 20017217A O-Ring. Back on 9-18-17, I had new Navien NCB-180E combi boiler installed at my house. av I can get at the drain plug on the right side but if I open it and drain that side, maybe dislodge some of the debris, do I need to then refill it somehow before next running the boiler? If anyone could provide a quick step-by-step on cleaning the trap it would be a great help to me. Contact your local store for additional notes and/or restrictions. This Navien 30013687A Siphon Condensate Trap is a genuine OEM repair part. A condensate drain pipe must be connected to the 1/2” condensate outlet fitting at the bottom of the unit and water must be poured into the exhaust connection to fill the condensate trap. After the DIP switch settings were changed, I now have instant hot water again. With these manifolds, we have done the piping work for you. << Previous in Navien Combi / Boiler Series Parts. The heater is working, but the - Answered by a verified Plumber There is a float mechanism in some of those units for the condensate trap. Most technician said there might be a leak in the heat exchanger. NaviClean™ is designed to work with. 6 gallons of acidic condensate for every 400,000 BTUs of fuel burned. Navien npe 210a installation manual conruhrwelliownyourorg. Navien 20017217A O-Ring - EPDM P15 NSF E7518 EWK2 - CH, NCB, NCB-E, NPE. Model A condensate drain pipe must be connected to the ½2″ condensate outlet fitting at the bottom of the unit and water must be poured into the exhaust connection to fill the condensate trap. NAVGXXX001952 MFG #: GXXX001952. Wondering if anyone has ever experienced this scenario? This is the condensate drain pipe off a Navien Tankless Heater. The condensate trap had about 3-tablespoons of rust colored deposit in it from the combustion Now, here is a picture of the condensate water from a different Navien with no obvious corrosion on the. BH2421008A - BH2421008A O-RING -Qty + Price: $0. The NeutralPal is ideal for neutralizing condensate from condensing boilers operating on natural gas or propane. The Navien NPE tankless water heater is available in two models,. Mount as per the installation diagram. The slave was completely dry inside. Just so its not blowing combustion air out of the condesate. It has a constant drip from the condensate drain. It started to leak from the water adjustment valve. Tankless Water Heater Services. I think most commonly was the condensate trap pin under the unit. Is this excessive or normal? Post Reply. Remove the old condensation trap and replace it with. Navien told me this was normal, but the outer casing of the heat exchanger failed after 4 years. Ray from Water Heaters Now shows you how to perform yearly maintenance procedure on your Navion tankless water heater. When you replace the trap, ensure that the o-ring is correctly in place. A condensate drain pipe must be connected to the 1/2” condensate outlet fitting at. Navien 20006853A / 20011380A Silicon Packing Ring (3/4") For Condensate Trap Navien 20017217A O-Ring. bal 1tq 69 In Stock FREE SHIPPING Navien Gas Conversion Kit 30010744B (NG to LP), OEM Part. Now I'm truly puzzled, as I think of the condensate system as completely separate there's nothing combusting to condense and drain out. Condensate Trap System Temperature Sensor Model NFB-175/200 Quick Installation Guide STEP 1 Before Installing Read the Installation & Operation Manual before installing. 20018013A - NAVIEN NR/NP CONDENSATE TRAP O-RING - + Call for price Availability: 11 eai compare. A label on the side of the water heater lists the model number along with the manufacturing year in YYYY. The condensate drain lid was leaking, and the incompetent plumbers couldnt fix it for months so the builder ordered a brand new unit and had a new plumber install it. Description: Navien tankless hot water heaters are white with "T-Creator" and "NAVIEN" on the front. Condensate neutralizers are crucial for treating acidic condensate from high-efficiency heating appliances. Part Number: (GXXX001952) Click for Downloads. Without a neutralizer, condensate has the . Condensate Neutralizer Installation Instructions Rev. Navien is not liable for any damages or defects resulting from improper installation. Manufacturer Part No: 20018013A. Water heater was installed in 2014, so this leak developed . # Description Part # Remark 3-2 O-RING (P20) 20017212A 3-3 O-RING (P19) 20017211A 3-4 Water Filter 30008351A 3-5 Pipe Clip 20007733A 4 Circulation Pump 30010346A. Both primary and secondary loop manifold kits are designed to work on all NHB models for fast and clean installations. i4 3a This product must be installed and serviced by a licensed plumber, a licensed gas fitter, or a professional service technician. 20006949A - NAVIEN O-RING EPDM 017. A condensate drain pipe must be connected to the 1/2" condensate outlet fitting at the bottom of the unit and water must be poured into the exhaust connection to fill the condensate trap. It has worked fine up until recently where there is excessive condensation inside the cabinet. Additionally, the inducer motor would suck air through the drain if it weren’t trapped, which could. This condensation has an acidity (pH) of approximately 4. Water draining out of condensation drain on navian 240 combi even with unit unplugged. Front Panel Condensate Trap PCB Box Water Adjustment Valve. Have the condensate from the boiler drain into a laundry sink pump like a Liberty 404 and plumb the discharge with 11/2" like a sump pump. r3g Then, once every quarter, we recommend testing the wastewater coming out of your system. The Navien NHB boiler creates condensation when it operates. 1ze Condensate trap looks to have grey/white powdery blockages. 30011690D - NAVIEN PCB BOARD 1166 KDC-330-6M NPE ALL -Qty. Ensure that the condensate will flow freely from the appliance drain into the neutralizer then to the drain. Turn off the water supply to the unit. Thermostat working, water coming - Answered by a verified HVAC Technician. condensate trap comes factory installed inside each water heater. These two methods are used to protect the water heater from damages caused by acidic condensate. Phone: (803)536-3333 primary auxiliary verb examples sentences. The unit is configured for scheduled recirculate times. A drainpipe is thus required for the condensate producing during operation. NCB-190/080H - NAVIEN TANKLESS COMBINATION BOILER AND. GFFM‑SKTZUS‑001 Light commercial neutralizer Light commercial condensate neutralizer for NFC series units designed to neutralize the condensate of up to 6 units. You must sign in before placing an online order. The condensate must be drained in. GXXX001901 - NAVIEN ADJUSTABLE ROOF FLASHING - Qty + Price: $159. tdf Get genuine Navien factory OEM O-Rings for your Navien tankless water heater. The condensate expelled from a condensing boiler is acidic, with a ph between 3 and 4 that needs to be removed. r7 ), Navien NR 240A water leaking from condensate, Navien - hot water coming out the cold inlet, Navien NPE-210a - Preheat Off Offset Temp (P. Navien water heaters come with an upper mounting bracket that. Per Navien's instructions, we put a tee facing downward just downstream from the last unit to catch condensate (otherwise, condensate can collect on top of the little dampers in Navien's special kit, preventing them from opening properly). A Navien combi boiler install from 3 years ago. Discussion Starter · #1 · Feb 28, 2021. The cookie is used to store the user consent for the cookies in the category "Analytics". The end of the 1/2” (NPT) plastic piping should drain into a laundry tub or into a floor drain. Navien NCB-180 Manual Online: Condensate Trap. 00 (REF FIG 44) Appropriate for use with all Navien units. So you have the "backflow device" potentially cross connected to boiler water and the sewer in one shot. How do you clean a navien condensate trap? The condensate trap is located at the bottom of the unit. Navien Condensing Boiler Space Heating Ratings. Keep your tankless unit providing high. All you need to add is your own appropriately sized pump. Hi all, Builder installed a Navien NPE-180A in our new home about 6 months ago. from a possible leak will be minimal. Where is navien boilers made?. Do tankless water heaters need a drain? A condensing tankless water heater will need a condensate drain, while a non-condensing water heater will not. I used copper condensate lines. What is the Warranty on a Navien Tankless Water Heater? What if my drain is backing up or there is standing water in the sink?. vp To see availability for this product, personLog In or Get Online Access. Reconnect the hose to the condensate trap. To clean the trap, remove the metal wire clip under the bottom of the cabinet and . 20018013A - NAVIEN NR/NP CONDENSATE TRAP O-RING - + Call for price Availability: 10 eai compare. The end of the ½" (NPT) plastic piping should drain into a laundry tub or into a. All NHB boilers have Navien's advanced burner system, an industry-leading AFUE of 95. The condensate trap is absolutely mandatory for a high-efficiency gas furnace. Gas Inlet Fitting Water Inlet Filter. • This Navien water heater is a high efficiency gas appliance that creates condensation when it operates. r7 9 Flow Sensor 127 Navien products come with a limited warranty covering labor, parts and the heat exchanger. 8m2 In addition, Navien recommends checking the condensate trap and filling it with fresh water, as well as verifying the flue and air lines are in good condition – and sealed tight. That section of the drain coming off the condensate trap retaining just enough suction to prevent it from flowing. 0% and turn down ratios up to 15:1. Don't have much experience with tankless . First videoHere is a quick fix for my leaking Navien Tankless Hot Water Heater. 78 / ea Availability: 4 eai compare. • Condensate Trap • Mixing and Water Adjustment Valves Navien Combination Boiler Domestic Hot Water Ratings Other Specifications 3. GXXX001324 Replacement media for light commercial neutralizer. It is brand new in the original Navien factory packaging and is guaranteed to fit . Horizontal venting can be installed in two ways. Navien 30013687A Siphon Condensate Trap (0) List: $39. This condensation has an acidic pH of 3-5. Navien’s manifold kits are ideal for hydronic space heating applications. the condensate drain goes into a hole in the floor, then into the gravel. CONDENSATE TRAP KIT NPN VENT NAVIEN NAVIEN INC. E-Travis Mechanical LLC [email protected]. Ive seen new ncb units shipped with some of the clips not fully in place, causing leaks on start up. Consumers should immediately stop using the recalled water heaters and boilers that are using propane gas and contact Navien for a free replacement conversion kit. 11 3-way Valve 128 Navien's Limited Warra nty shall be void in the event of an occurrence of any of the following: Improper installation, failure to install in strict complianc e. All Navien Condensate Parts are brand new in the original factory packaging and are guaranteed to fit and function properly. Proper condensate drain piping for a Rinnai condensing unit. If water is running out the condensate drain when the unit is not firing and it stops when you turn the water off then you likely have an internal leak possibly in the heat exchanger. 3 year warranty from date of purchase. This could dump into a p-trap installed to a drain pipe, but may not be pushed inside the trap, as an air gap must be maintained. 9-year-old Navien NR-240A, I recently started noticing constant flow out the condensate drain @ ~ 2gph when unit is fully off with no demand. I have a navien 210- lp combi condensing unit water heater/. Download the new Navien mobile app!. a9u Condensate Trap and Elbow Assembly. While I'm not an installer or service tech working on these things all day. Descale One Year Warranty on Services Provided. piy c7 When I change the circulate program to. Navien Condensing Combination Water Heater / Heating Boiler 1 Remote Controller 1 Owner’s and Installation Manual 1 Wall Mounting Bracket 1 Condensate Drain Hose 1 Tapping Screws & Anchors 4 Vent terminators 2 Wall Flanges 4 Pressure Reducing Valve Kit 2+1 Accessories: Check that you have received all of the above parts before installing the. Once it gets to a certain point it allows the water to go down. Next in Navien Combi / Boiler Series Parts >>. The Takagi tankless water heater I installed is a c. • Condensate Trap • Mixing and Water Adjustment Valves Boiler Optional Accessories • SS Primary Manifold Kit • Condensate Neutralizer Kit • Zone Controller • Universal Temperature Sensor • NaviLink Control System • Ready-Link Racking System Navien Combination Boiler Domestic Hot Water Ratings Other Specifications 3. o7 If you have noticed condensate coming out of your condensing tankless unit, hopefully it's already set up to drain in . NPE Navien Premium Condensing Tankless Installation Video. System piping and control settings should also be checked, along with the ignition and control sensor, which should be cleaned and repositioned as necessary. Ive never specifically seen your issue though! Have you tried talking to Navien Tech? Warranty department is usually really good to deal with. NAVIEN - 908520018013A, 20018013A, Condensate O-Ring. Navien NCB-E, NHB and NFB Series boilers. When condensate from a furnace or air conditioner cannot be drained where it is, it is possible to use a condensate pump to remove the condensate via a pressurized hose. Connecting Gas, Water, Condensate Drain, Venting and Power . 2 (NOx, <20 ppm) Condensate trap 1/2" gas pipe capable up to 24'. The end of the 1/2" (NPT) plastic piping should drain into a. GFFM‑SKTZUS‑001 Light commercial neutralizer Light commercial condensate neutralizer for NFB series units designed to neutralize the condensate of up to 6 units. To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. A 5 foot length of ¾" condensate line is included with the water heater. Part Number: (PBCM-AS-001) This add-on accessory will enable customers with smartphones and tablets to control temperatures remotely, access usage data and receive diagnostic notifications on all Navien products (NPE, NPE-2, NPN-U, NPN-E, NCB-E, NCB-H, NFC, NFC-H, NFB, NFB-H, NFB-C and NHB). Appropriate for use with all Navien units - OPN BH2507345A Navien BH2507388B Fastener "F" Price: $3. Navien Condensate Drain Hose 30003121A, OEM Part-Navien Condensate Drain Hose 30003121A(Old Part Number BH2206006A) For ALL Models). Since the drain taps into the exhaust system, leaving it open to the air would allow for a potential exhaust/flue gas leak in the living space, which is a big no-no. A condensate trap comes factory installed inside each water heater. All NHB boilers have Navien's advanced burner system, an industry-leading. Have a Navien NCB-210 that's been running well and Dana helped me tune last year. Clean Condensate Trap Ensure flowing Properly 6. I have a Navien NR210 A water heater. GXXX001952 - NAVIEN CONDENSATE TRAP KIT -Qty + Price: $38. Navien NFB secondary manifolds, like the primary manifolds are ideal for any hydronic space heating application. A trap apparatus of condensate water according to the present invention comprises: a neutralizing part including an inlet through which condensate water is introduced, an internal space for containing a neutralizing agent for neutralizing the introduced condensate water, and a condensate water passage through which the condensate water that was neutralized by the neutralizing agent in the. Recalled model numbers are CR-180 (A), CR-210 (A), CR-240 (A), CC-180 (A), CC-210 (A) and CC-240 (A) manufactured in 2008. Appropriate for use with all Navien units. The low temperature piping, such as that which drains the condensate from the heat exchanger condensate draining system, should be PVC or ABS to also mitigate corrosion. This system normally consists of a short length of PVC or ABS pipe with a water trap to prevent exhaust gases from being expelled into the drain and building. A condensate drain pipe must be connected to the ½2″ condensate outlet fitting at the bottom of . Condensate should be discharged into the internal household draining system. Condensate Drain Pan Trap NPT 3/4 in Plastic. 89 In Stock FREE SHIPPING NAVIEN 20006670A 125V 5A FUSE (ALL), OEM Part. Water Heaters - Navien tankless water heater CR-240A is leaking - I've had this Navien CR-240A for 7 years (The unit is longer under warranty). Navien certification summary Model NFB-175 NFB-200 Product Approvals CSA Yes Yes SCAQMD 1146. 24v Similar products All Navien Products Miscellaneous from Navien. Turn off the gas supply to the unit. You have to get the vent duct of the right length and also maintain the exhaust outside the home's sidewall. Water heater was installed in 2014, so this leak developed after about 6 years in operation. 5 year old Navien NR-210a condensing tankless heater. The lower your pH reading, the higher the acidity of the wastewater. wg fis It replaced a 4-year-old CH180 unit. 20018013A - NAVIEN NR/NP CONDENSATE TRAP O-RING - + Call for price Availability: 11 eai. We are licensed and insured plumbing contractors in Nanaimo providing hassle-free & quick solutions for residential & commercial spaces. Only 1 left in stock - order soon. Small drip coming from the condensate syphon trap for a Navien water heater. 0, or the level determined by the local water authority code, in order to be safely released. Navien 30019982A Siphon (0) List: $24. bt5 z1 11 Hrs, 33 Mins, 36 Secs Description This Navien 30013687A Siphon Condensate Trap is a genuine OEM repair part. (Late 2010) I more or less did the entire install myself with the help of a few skilled friends either on site or on the phone to give advice. d1m Water Inlet Filter Condensate Navien water heaters come with an upper mounting bracket that is pre-drilled at 16 in on center for. Disconnect the unit from the power supply. Can I do it myself or do I need to use a professional for it (living in MA) At the bottom there is what I believe is the "condensate trap": what is it for exactly?. com, please contact your Local Supplier to place an order. h9 2" PVC exhaust venting capable up to 60' Air vent connection Ignition Navien's two largest condensing boilers, NHB-110 and NHB-150, can be cascaded and common vented. Consumers who continue use of the water heaters and boilers while awaiting repair, should have a working carbon monoxide alarm installed outside of sleeping areas in the home. The only way to know for sure is through regular monitoring. The condensate drain it probably one of the most important parts of the. Navien flow out condensate line.