- Turn the power off the unit.
- Then turn the water off.
- Take the cover off the heater.
- Unplug the power to your Navien water heater.
- Remove and clean the cold air intake filter.
- Then re-insert the filter and screw it back in place.
- Close the cold and hot water inlet valves and then drain the water heater. Next, hook hoses to the valves, then open them to drain the water.
- Once the tank is thoroughly drained, clean the base of the heater.
- Then remove the cold water filter off located next to the cold water isolation valve.
- Place a bucket underneath it to catch any water that drains when you remove the filter.
- Then clean the filter and replace it.
- Next, clean the “dirt-trap.” Start by removing it from the heater so you can clean it properly.
- Then descale a flush the heater following the steps listed below.
- Reassemble the heater and turn on the hot and cold water valves.
- Turn on the water.
- Then replace the heater cover and turn the gas or power back on.
- Finally, press the power button.
What size filter do I need for navien water heater?
Additionally, you can install a 5-micron filter in the water inlet right before the heater to remove impurities from the water. How do I reset my Navien tankless water heater?
What to do if your navien tankless water heater is not working?
Read the user’s Navien nr-240a manual to get information on how to flush the heat exchanger and reset the remote for Navien tankless water heater. There is something wrong with limit control. Get in touch with Navien technical support or a professional heater repairman. The exhaust thermostat is malfunctioning.
Where is the condensate trap on a navien water heater?
All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly. The condensate trap is located at the bottom of the unit.
How to fix navien error Code 003?
Navien error code 003 how to fix indicates that there is an ignition failure in your unit. Ensure the main gas supply valve is open. False flame is detected in your device.
How often should you clean a Navien tankless water heater?
Tankless water heaters should be flushed out every year to 2 years.
How do you clean a Navien tankless water heater heat exchanger?
8:2611:22Navien Tankless Cleaning Water Heaters Now - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo now that the vinegar is running through the cold side and I'll at the hot side. We let it run forMoreSo now that the vinegar is running through the cold side and I'll at the hot side. We let it run for 45 minutes as what's required to totally clean out the heat exchanger.
How do you flush a Navien boiler?
14:0716:14Navien NCB 240 Water Heater Annual Cleaning - YouTubeYouTubeStart of suggested clipEnd of suggested clipI'm going to turn the cold onto the unit i'm going to turn the hot onto the hot system. So we don'tMoreI'm going to turn the cold onto the unit i'm going to turn the hot onto the hot system. So we don't have to do a cleaning on the boiler.
How often should Navien boiler be serviced?
Call Today for Navien Tankless Gas Water Heater Repair Many tankless water heaters can work efficiently for 20 years or more, but they do require periodic servicing. Annual maintenance is often essential for the manufacturer's warranty policy.
How long do Navien tankless water heaters last?
20 yearsA tankless hot water heater is a little more expensive than a standard hot water heater, but it has almost double the life expectancy. If you install a new tankless hot water heater today, you can enjoy reliable service for up to 20 years.
How much vinegar do I need to clean a tankless water heater?
4 gallonsUse 4 gallons (15.1 liters) of undiluted white vinegar to clean your tankless water heater. Never use chemical solutions of any kind.
Do you need to service your tankless water heater?
The good news is that tankless water heaters don't require much maintenance, either. A tankless system should be serviced as a part of the regular preventive maintenance that heating and cooling systems receive. Electric or gas components should be inspected.
Do you need to clean a tankless water heater?
Just like a tank unit, tankless water heaters need to be flushed once per year. Homeowners with hard water should consider flushing and cleaning the unit even more frequently, perhaps every six to nine months because of the excess amounts of magnesium and calcium found in hard water supplies.
How do you descale a tankless water heater?
0:272:54How to Descale a Tankless Water Heater - YouTubeYouTubeStart of suggested clipEnd of suggested clipMake sure the pump is plugged into a grounded outlet to prevent shock or pump damage allow the pumpMoreMake sure the pump is plugged into a grounded outlet to prevent shock or pump damage allow the pump to run for 30 to 45. Minutes after the cleaning cycle has been completed you can unplug the pump.
How much does it cost to service a Navien combi boiler?
Navien Boiler Maintenance only $89.00.
How long do Navien combi boilers last?
Most Navien boilers have a 10-15 year residential warranty (depending on the unit). 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.
Is Navien a good tankless water heater?
The Navien water heaters are some of the greatest on the market today. 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.
How do you descale a heat exchanger?
4:287:05Descaling a stainless heat exchanger - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut normally if i'm descaling a heat exchanger on a combi i'll remove the heat exchanger. First i'llMoreBut normally if i'm descaling a heat exchanger on a combi i'll remove the heat exchanger. First i'll remove the diverter valve and i remove the front and rear hoses.
How do you descale a combi boiler heat exchanger?
How to Descale a BoilerTurn off your boiler.Turn off the ball valve to stop the water flow.Drain the system by opening all the taps and close them once there is no more water coming out.Fill your cold water tank with the recommended quantity of limescale remover.More items...•
How do you drain a heat exchanger?
Draining the Heat ExchangerShut off the flow of water at the source. ... Open the door assembly to a 90-degree angle.Unscrew the captive screw 1 on the hose-retention plate 2 as shown in the following figure. ... Lift the plate out of the door assembly.Disconnect the supply hose 4 and return hose 5 from the Heat Exchanger.More items...•
How do you clean a Navien condensate trap?
The condensate trap is located at the bottom of the unit. To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. When you replace the trap, ensure that the o-ring is correctly in place.
Where is the air screen on Navien water heater?
All Navien units (water heaters, combi-boilers and boilers) have inlet air screens inside the cabinet just below the air intake collar to prevent debris from being pulled into the blower, burner and heat exchanger assembly.
How to clean a condensate trap?
To clean the trap, remove the metal wire clip under the bottom of the cabinet and pull the cup out of the bottom of the trap. When you replace the trap, ensure that the o-ring is correctly in place. Flush waterways.
Does Navien have a water screen?
All Navien tankless water heaters have water screens on the cold water inlet, and the NPE-Advanced models have an additional screen on the recirculation inlet. Navien combi-boilers have inlet water screens on the DHW cold-water connection, along with a screen between the heating supply and return connections. Navien NHB boilers have a screen on the return connection.
Who can fix Navien heater?
Get in touch with Navien technical support or a professional heater repairman to fix the issue.
Why am I not getting hot water from my Navien tankless water heater?
The issue is most likely, the flow sensor inside the unit is not spinning correctly. First, open and close the pressure relief valve, which is located near the unit’s outlet. This may temporarily help to remedy the issue.
Why does my Navien heater shut down?
Older Navien heater models are prone to flow sensor issues. This is because the sensors are corroded over time which causes them to shut the heater down . To remedy this, you can take the two clamps off the sensor, pull it out and clean it. However, this is only a temporary fix.
What to use to descale a water heater?
You need to run white vinegar through the system, to descale the water heater.
How to get water out of a hot water port?
Open the service port on the host side and the isolation valve on the cold side, pushing water through the system. It should come out of the hot water port.
Is Navien a tankless water heater?
If you are looking for a tankless water heater that can provide you with hot water 24/7, Navien water heater is the way to go. This on-demand water heater has a lower carbon footprint, is energy efficient, and has a longer lifespan.
