The sophisticated gas flow control system provides a high turndown ratio, reducing energy waste and excessive combi-boiler cycling and enhances temperature control for DHW. Without proper ventilation, your heater can run inefficiently and risk fire or carbon monoxide poisoning. Exhaust Vent Piping Materials. A qualified contractor can perform a heat loss and help recommend a proper boiler size. A tankless water heater with direct vents can have concentric or dual venting kits. Energy provider rebates may be available. In heating mode, water from the space heating system will flow through the heat exchanger and out to the system similar to a standard boiler. Now the bad news. The issue is most likely the flow sensor inside the unit is not spinning properly. However, a gas tankless heater is cheaper and may last longer than an electric tankless heater. By having both heating and hot water in one unit, the combi will save space in the mechanical room and also save on the initial installation compared to separate appliances. Can you vent a tankless water heater into the attic? The number of elbows is limited because they shorten the total vent distance. Can you vent a tankless water heater vertically? All you need is to buy an outdoor tankless heater. How To Install a Tankless Water Heater - H2OBungalow NPN-U (Universal) premium non-condensing tankless water heaters offer a compact tankless solution for both indoor and outdoor installations. 20 Goodyear lrvine, CA 92618 TEL 1-800-519-8794 FAX +949-420-0430 www.navien.com, Npe series condensing water heaters (171 pages), Condensing water heater, common venting guide (2 pages), Npe navien premium condensing gas tankless water heater (2 pages), Manual will be automatically added to "My Manuals", Component Assembly Diagrams and Parts Lists, Navien Comfortair+ Add-On Controller Kit (Optional), Requirements for the State of Massachusetts, Water Heater Navien NPE-180A Service Manual, Water Heater Navien NPE-180A Installation Manual, Water Heater Navien NPE-240A Installation Manual, Controller Navien NPE-180A Installation Manual, Water Heater Navien NPE-210A Operation Manual, Water Heater Navien NPE-180A Operation Manual, Water Heater Navien NPE-180A Quick Installation Manual, Water Heater Navien NPE Series Specification Sheet, Water Heater Navien NPE-180A Conversion Manualline, Water Heater Navien NPE-180S Conversion Manualline, Water Heater Navien NPE-180A Brochure & Specs, Page 15: Mounting The Water Heater To The Wall, Page 38: Connecting The Communication Cables, Page 53: Component Assembly Diagrams And Parts Lists, Page 67: Navien Comfortair+ Add-On Controller Kit (Optional), Page 68: Requirements For The State Of Massachusetts. As a part of this certification, the appliance must undergo tests to assure the specified venting system is appropriate for use with the appliance. Indoor air intake into high-efficiency tankless water heater This should only be performed by a qualified service agency in accordance with Navien Americas instructions. If one tankless heater does not produce enough hot water for your home, you can combine more than two units into one system. Overview. The vent will exit the tankless unit vertically, then turn using a ninety-degree elbow and then straight, pointing downward (1/4" per foot) and outside. Efficient and earth-friendly products designed for any size home. venting configura tions, but do not include all possible options. Inside the unit is a heat exchanger with small passageways, a burner, and some type of flow detection switch. Find a Navien installer near you. Even with a long shower or extended DHW run time, the home may lose a few degrees, but the chances of the home freezing during that time are extremely low. All rights Its not recommended to connect the venting system to an existing chimney. Navien tankless water heaters, boilers, and combi-boiler with water tube heat exchangers have a generally good reputation. My EcoSmart 18 unit needed 2- 40 volt breakers. Tankless Direct Vent intake and exhaust (common errors and - YouTube 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, You accept the use of cookies as described in our, Bulky tanks are history Navien high efficiency. PVC Flues Are They Safe?By Brian Fenske, Specialty Channel Sales Manager,Navien, Inc. More often than not, the 140 degree Fahrenheit limit for Sch 40 DWV is misinterpreted and misused. Does the NPE-2 condensing tankless gas water heater have to be the first appliance off the gas meter? Navien's NPE-240A2 condensing tankless water heater for commercial & apartment browse application high-efficiency technology to provide boundless hot water. Whether you need an endless supply of hot water, efficient home heating or both, Navien has the perfect energy efficient solutions. Descaling is a process that removes mineral deposits from the inside of the tankless water heater. The 140 degree limit is in fluid piping situations with pressure. Since tankless units will control the amount of flow to maintain a consistent outlet temperature, they need to be able to provide enough flow for the highest demand the job requires. Because our product involves water, electricity, and gas, there is only a limited amount of troubleshooting that can be done with a homeowner/end-user. KyungDong Navien (KD Navien) was founded in 1978; Navien COMMON EXHAUST VENT INSTALLATION MANUAL [PDF] (2018) retrieved 2021/02/10 original source . You can place a tankless water heater in restricted places such as under the sink, pantry, or even under the stairs storage area, following all safety precautions. Navien Flow Sensor Tankless Water Heater. Can a tankless water heater and a furnace share the same vent? Connecting the venting system to an existing chimney is not recommended. Some of the links on this website are affiliate links. The NPE-2 is approved to be vented with 2vent material (maximum length of 75 feet, maximum of 6 elbows, and reduce 8 linear feet per 90 elbow). What Is The Brown Wire On Thermostat For? As they can use a manifold to share the same vents, individual vent penetration is not needed, saving you time and money during installation. So a well maintained boiler in a properly designed and installed system could be expected to last up to 20 years or longer in some cases. This will reduce the installation cost and enhance the heater's performance. The NPE-2 series offers ultra-high efficiency up to 0.96 UEF to keep your utility bills low, endless hot water, and exclusive ComfortFlow technology with a built-in recirculation pump and buffer tank. CSA also knows and understands the true upper safe temperature limit of all plastic vent materials and test the appliances under the different operating conditions to these plastic temperature limits. We recommend contacting your original installer or a Navien Service Specialist (NSS) to troubleshoot the unit. This is the simplest setup. What You Need to Know About Navien Equipment - GreenBuildingAdvisor If your setup allows, you may be able to use some combination of plumbing vents and wall vents. The manual for your Navien CH180 Tankless water heater is available from the company at the link I gave earlier, or also here at InspectApedia at NAVIEN WATER HEATERS Navien notes that all of its clearance requriements are in accordance with ANSI Z21.10.3 and the National Fuel Gas Code ANSI Z223.1 / NFPA 54 and CGA B149.1 National Gas and Propane Installation Code. * The wetted surface of this product contacted by consumable water contains less than one . Navien Tankless | The True-Pros | Tankless Water Heater Install There are two types of venting that you must consider when purchasing a tankless water heater: Direct venting and power venting. Tankless water heaters can be vented in two ways: power-vent or direct-vent. The condensate drain ensures that this doesnt build up and cause problems with the tankless water heater. To reset the water heater, press the RESET button on the front control panel. Navien Tankless Water Heater Reviews - Think Tank Home FREE delivery May 3 - 5 . The pump (or pumps) will turn on to begin circulating water through the boiler and the building, and the burner will ignite to heat the water. The coaxial type consists of an insulated intake pipe with 5 and 4 inches in diameter and exhaust pipes with 2 and 3 inches, which enable the vent to remain cold to the touch, therefore, preventing the risk of burn injuries. Venting Requirements (Tankless) - DoItYourself.com Community Forums High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. The PVC exhaust technology has made the installation easier. Efficient, durable and high-performance products for any commercial application. Under these conditions, data is collected to verify the vent materials temperature limitations are not exceeded. If used in commercial or heating application, the warranty will be adjusted to8 years on the heat exchanger,5 years on any other parts, and 1 year labor. Efficient, durable and high-performance products for any commercial application. This means that, at zero cost to you, I will earn an affiliate commission if you click through the link and finalize a purchase. Where do I locate the Serial Number of my unit? Power vented heaters require more air for gas combustion, so they cannot be placed in small rooms. To convert the unit for LP use, please use gas conversion kit supplied with unit. Condensing combi-boilers deliver high-efficiency endless hot water and space heating in one compact unit. Way more people have died from rotted, rusted, sagging, inappropriately installed single wall sheet metal chimneys and appliance connectors than any other vent material. Even if there is a leak in an exhaust pipe, the toxic gas is contained within the concentric vent so it does not pollute the air and affect your health. Tankless heaters with power vents use indoor air for burning gas instead of outdoor air. If your water heater requires service, you have several options for getting service: Contact Technical Support at 1-800-519-8794 or on the website: www.navien.com. Efficient, durable and high-performance products for any commercial application. Protect your water supply and your water heating equipment with eco-friendly water treatment solutions. In contrast, condensing heaters can be vented with PVC and PP pipes, which are cheaper and easier to install (and handle). Where are your offices located in the U.S. and Canada? For this reason, it cuts installation time by half. What Is the Setback From a Window for a Tankless Water Heater? Ensure a straight horizontal venting without dips by installing pipe hangers. NPE-240A2 ultra-high efficiency condensing water heater | Navien High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. 3 vent material can also be used (maximum length of 150, maximum of 8 elbows, and reduce 5 linear feet per 90 elbow). A combi (combination) boiler provides both space heating and on demand domestic hot water. This condensing water heater has a BTU rating of 19,900-199,900 per hour. Navien Now Doing Business in Canada as Navien Canada, Inc. Navien Begins Shipping PeakFlowC Commercial Scale Prevention Systems. Space-saving high-efficiency condensing boilers provide the ultimate heating and comfort experience. High-efficiency condensing and non-condensing tankless water heaters offer endless hot water and reduce gas usage. As the name suggests, a dual vent system has two vent pipes where one pipe is for the intake and the other for the exhaust. If you have any difficulty in the installation or you have not done any technical work like this before, hire a professional to do it for you instead of exposing you and your family to any potential hazard. Power-vent units use indoor air for combustion and simply vent the exhaust to the outside. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Space-saving high-efficiency condensing boilers provide the ultimate home heating and comfort experience. Approved vent materials are PVC Schedule 40, CPVC Schedule 80, Approved Polypropylene, and stainless steel.