How do you adjust Navien recirculation?

Quote from the video:
Quote from Youtube video: Simply turn on dip switch. 1 on the bank of 10.. The two-way valve is already set for internal. Recirculation from the factory in internal.

Where is the flow sensor on a Navien water heater?





Quote from the video:
Quote from Youtube video: See it turn this wire here it's connected right at the top of the printed circuit board top left you just pull that out.

How do I increase the flow rate on my tankless water heater?

Tankless water heaters work by restricting flow until the water reaches the preset temperature, so if the flow is too low from your tankless heater, you may increase it by lowering the temperature setting, says BEC Green.

How does Navien recirculation work?

The NaviCirc recirculation valve works best if installed under the furthest accessible fixture away from the water heater. With the NPE-A unit’s built-in pump, water circulates through the NaviCirc to preheat the hot water lines, using the cold supply line as the return line back to the water heater.

Does the Navien tankless water heater have a recirculation pump?

Built-in recirculation system



Navien’s patented ComfortFlow® system is the first to include a buffer tank, recirculation pump and fine-tuned controls into a tankless water heater, resolving the cold-water sandwich effect* and issues of minimal flow rates commonly found in other tankless water heaters.

How do I reset my Navien tankless water heater?





To reset the water heater, press the Reset button. If resetting the water heater does not solve the problem, refer to the Troubleshooting section of this manual or contact Technical Support at 1-800-519-8794. To use water above 140 °F (60 °C) (up to 182 °F (83 °C)), you can use Commercial Mode.

What does a flow sensor do on a tankless water heater?

A flow switch is used to detect the presence of water flow and turns on the system to heat the water. Whenever there is a hot water demand, a reed sensor within the tankless water heater identifies the demand and initiates the heating process.

How do I increase Navien water pressure?

Quote from the video:
Quote from Youtube video: Then closed the two valves. Then hit reset on your boiler. This will display. Here. When the boiler displays air that will reset in about five.

What temperature should a Navien tankless water heater be set at?

120°F



This Navien Combination boiler is factory set at 120°F (49°C) for your safety and comfort. Increasing the set temperature increases the risk of accidental scalding.

How long do Navien tankless water heaters last?

Tankless water heaters provide a continuous supply of hot water, and they use about as much energy as a light bulb. Navien tankless gas water heaters are well-known for their reliability and efficiency. These devices can last upwards of 25 years if properly maintained and installed by professionals in the industry.

Why does my tankless water heater take so long?

Quote from the video:
Quote from Youtube video: And right now when it's cold out the pipes are even colder. So the water seems colder and then the pipes have to heat up because it starts to cool the hot water down as it gets to you.

How much does it cost to run a recirculation pump?



The cost of the electricity at $0.12 per kW for the small pump for 250 feet of pipe on a timer for eight hours a day with a sensor and switch that runs on average 3 minutes per hour and costs $1.40 to $1.59 a year in electricity.

How do I activate Navien comfort flow?

1. Always on-24/7: By simply turning on a dip switch on the front panel the unit will begin cycling the pump to maintain the recirculation temperature. This will run 24/7 to provide hot water whenever needed. 2.

What is the GPM of a Navien tankless water heater?

11.2 GPM

NAVIEN NPE-240A CONDENSING TANKLESS WATER HEATER 11.2 GPM.

Which is better Navien or Rinnai?



Navien Water heaters have an advantage when it comes to being energy efficient. Navien units have UEF ratings of up to 0.96 while Rinnai Units max out at approximately 0.93. The more efficient the unit is, the less energy waste which translates to more energy savings.

What is the difference between Navien NPE A & NPE s?

The Navien NPE tankless water heater is available in two models, the S (Standard) and the A (Advanced). The difference between the two is the inclusion of a buffer tank and recirculation pump on the A model.

What is the downside of a tankless water heater?

The main disadvantage of tankless water heaters is their upfront cost (unit and installation) is significantly higher than tank-style heaters. Including installation, tankless water heaters cost 3 times more than tank-style water heaters on average.

What maintenance is needed on a tankless water heater?

Tankless Water Heater Maintenance

  • Flushing the System. The hot water heater should be flushed at least once a year. …
  • Cleaning the Air Filter. In your tankless water heater, there is an air filter that will need to be cleaned regularly. …
  • Cleaning the Water Filter. …
  • Cleaning the Tank.



Are tankless water heaters worth it 2021?

Energy Efficient



The U.S. Department of Energy reports a tankless water heater is 24% to 34% more energy-efficient than storage tank water heaters—as long as you use around 41 gallons per day. However, even if you double that amount, they are still 8% to 14% more efficient.