Navien Tankless Water Heater Recirculation Loop

The buffer tank eliminates the cold water sandwich effect and issues of minimum flow rates commonly found in other tankless water heaters.

Navien tankless water heater recirculation loop.

Gandy installations saves customer enough space for a refrigerator. Better control of the cold water sandwich or cold water stacking. Recirculation valve for use with npe a series tankless water heaters designed for recirculation of domestic hot water in applications where a dedicated return line is not available. Please like and subscribe follow osidewood on instagram now you can install the navien npe a models and use the built in recirculating pump with our with out.

Navien premium efficiency condensing tankless water heaters are the 1 selling high efficiency condensing tankless water heaters in north america the npe series offers industry leading efficiency up to 0 97 uef to keep your utility bills low endless hot water so you never have a cold shower and exclusive comfortflow technology with built in. The navien actually has a remote control with the timer. Using the circulator to do internal recirculation which does not require an external loop. So to speak standard recirc pumps are too small to get it the water heater to fire.

Navien comfortflow is the first and only system that incorporates a built in insulated buffer tank and recirculation pump. This will provide hot water to the fixtures faster because the unit will not have to go through start up. The npe 240a is a result of their dedication to providing an effective and green water heating unit. Typically with tankless water heaters the circulator needs to be properly sized.

If it is existing and it has worked in the past then there may be something wrong with the circulator. Dec 20 navien condensing water heater manual. Navien has been pushing the boundaries of efficiency for 25 years. Read more problem solved.

Iirc takagi voids the warranty if the recirculation loop flow is over 2gpm. When venting navien npe tankless water heaters it is important that you do not start the vent run with a street elbow at the vent collar.