Navien Tankless Water Heater Recirculation Loop

Npe series condensing tankless water heaters.

Navien tankless water heater recirculation loop.

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. I am not a fan of running tankless water heaters for recirculation while. The npe 240a is a result of their dedication to providing an effective and green water heating unit. Dec 20 navien condensing water heater manual.

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. Read more problem solved. So to speak standard recirc pumps are too small to get it the water heater to fire. Navien has been pushing the boundaries of efficiency for 25 years.

Gandy installations saves customer enough space for a refrigerator. Navien comfortflow is the first and only system that incorporates a built in insulated buffer tank and recirculation pump. Using the circulator to do internal recirculation which does not require an external loop. The buffer tank eliminates the cold water sandwich effect and issues of minimum flow rates commonly found in other tankless water heaters.

Better control of the cold water sandwich or cold water stacking. This will provide hot water to the fixtures faster because the unit will not have to go through start up. Typically with tankless water heaters the circulator needs to be properly sized. Iirc takagi voids the warranty if the recirculation loop flow is over 2gpm.

The navien actually has a remote control with the timer. Navien npe 240a 199 000 btu condensing premiumgas tankless water heater.