A flow diagram is shown on page 26 of the 240A Installation Manual. Navien’s NR-180A, NR-210A, NR-240A, NPE-180A, NPE-210A and NPE-240A models come with the ComfortFlow System. Two Navien NPE-240A condensing tankless water heaters have now replaced existing, 13 year old, tank water heaters. Visit our updated, This website requires certain cookies to work and uses other cookies to help you have the best experience. We have a Navien NR-240A installed in new construction in 2012. The recirculation line does not recirculate. �9��a�(�7�:��ah`��l�h|�kA��|�,)9`вOpV`�`��P�g`l`>�����K(4�c8Y iF� ��ɓ�Mݶ��c*Wb6D�w� Շ� It is now available as an add-on accessory for all NPE-A models (NPE-180A, NPE-210A, NPE-240A). 3,634 satisfied customers. 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 … MikeO411 New Member. Navien NP-180 Service Manual. The optional temperature sensor in the recirculation loop is not used. Navien's Condensing Technology offers the high efficiency. this website, certain cookies have already been set, which you may delete and Navien ComfortFlow® is the first and only system that incorporates a built-in insulated buffer tank and recirculation pump. 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. So I called Navien and they said in order for that set up to operate properly, I need to T off the supply line going into the unit, and run that into the recirc inlet (need a check valve in that run also) then set the 2 way valve to External. Earn up to 3 LEED points with recirculation. :8�QwaR��)�*o���C��,Y�$�i��g�R�'?ϸq)����>9�v-�b5����9��iO�*\P���ռ濟��j�6�����w��׬]��?���+����_�-c�h "ְ�f�� ��,���;TB��RB �+��Dz�o6�* �� Navien NR-240A Manuals & User Guides. User Manuals, Guides and Specifications for your Navien CR-240 Water Heater. %PDF-1.6 %���� The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located. Navien tankless water heater problems are unpredictable and different to understand. Notes: 1. View online or download Navien NR-240A Installation Manual The February 2021 issue of Plumbing & Mechanical features how Design & Construction Week Prepares for First ALL-VIRTUAL EVENT, Canadian farmer finds nest egg with fire tube boilers, and much more! Rick Mather. Discussion in 'Tankless Water Heater Forum' started by Slimjimtell, Oct 29, 2019. Discussion in 'Tankless Water Heater Forum' started by MikeO411, Jun 11, 2020. 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. block. Navien NPE-240A Pdf User Manuals. Summary: Just had a new tankless water heater installed in my house to replace a failing 22 year-old 50 gallon tank. This gives users hot water when they need it, saving water and money. I am thinking that the cold water pressure at the mixer valve is greater than the hot water out. Note: Applications with a mixture of Navien NPE-A (Circulation) 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 30010346A … The Navien NPE-240A has a minimum input of 19,900 Btu/h with its maximum topping off at 199K. We seem to have to run hot water for a long time to get it hot. Navien CR-240 Manuals & User Guides. 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 … Navien recirculation. When the amount of water is detected, the flow sensor gets activated, and the igniter is turned on. NPE-S Series Tankless Water Heater. By closing this message or continuing to use our site, you agree to the use of cookies. Also the control box timer is set so that recir is supposed to run from 6am to 900pm. Navien’s NR-180A, NR-210A, NR-240A, NPE-180A, NPE-210A and NPE-240A models come with the ComfortFlow System. 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 … Optional HotButton™ on demand control kit. 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.