Cold climate can be the issue for your Tankless Water Heater. A tankless water heater not properly prepared for cold climate creates a serious mess and may stop providing water supply you want. They frequently need extra attention to prevent them from experiencing problems related to weather like freezing, Because there is no point in installing a water heating unit that does not supply hot water when you actually need it.
Preventing Tankless Water Heater From Freezing:
Most companies do not cover damage reasoned by the freezing under their guarantees, so it is significant to provide tankless a bit extra care throughout the winter season. You ought to always check the manufacturer’s manual to get details regarding the particular unit you have as recommendations differ between companies
Drain The Tankless Water Heater:
Standing water, no matter how little, can gather inside your unit, and then in winters, it can freeze. When it occurs, the ice can harm internal plastic parts. Stop this by draining your device, particularly when going away for a long time. Also, be sure to isolate water to your unit, utilizing the valves located on the cold and hot water lines.
Contemplate A Recirculation System:
These systems are normally fitted to have hot water hard-by and prepared for on-demand utilization at a fixture. An additional advantage throughout the winter is it permits your heater to continuously warm the pipes and avert the equipment and plumbing lines from freezing.
Winterizing The Tankless Water Heater:
If you own a tankless water heating system at a vacation house or plan to be gone throughout the wintry weather, you might desire to contemplate winterizing your device as a precautionary measure to keep it away from freezing. Cold weather can occur fast, and planning ahead can save you a major unanticipated problem.
Note: Such instructions are given as a guide, and your individual device might have diverse needs. You ought to always consult the manufacturer’s manual for instructions on the particular device.
How Can You Winterize Your Tankless Water Heater?
- Switch off the cold water supply to your tankless water heating unit.
- Drain your device by opening your freeze protection solenoid valves (the drain down) on the hot and cold water lines.
- Open a few hot water taps in the home.
- Take out the inlet filter on your cold water line. If the device has an inline filter or plug on the hot water side, it must also be eradicated to leave space for expansion if there’s any water in the water lines that can freeze.
- Switch off the gas supply to your tankless unit.
- Switch off the electrical power supply of the tankless unit by either flipping or unplugging the circuit breaker off. It’ll protect your tankless should there be any electric surges or outages.
- If this system can be carefully reached, put a cover on the end of your vent, both the exhaust and intake. It’ll keep leaves, debris, and even little animals like squirrels from becoming trapped within your vent and reasoning the airflow problems when it is time to start utilizing the Tankless Water Heater again.
Install The Water Heater In A Warmer Space:
Although it is not possible always, fitting a water heating system in a warmer place will naturally assist in preventing freezing throughout the winter season. Utilize vent terminations that include features like wind-resistant and keep them at bay from the prevailing winds (for cutting back on that wind chill).
Low Water Flow Prevention Technique:
In a few cases where the temp is beyond the device’s ability to protect itself from freezing, it might be essential to run a low volume of water through your tankless to prevent freezing.This technique can also be useful if there’s a loss of power. Pursuing the following steps might prevent the external pipes and your tankless heater from freezing. We don’t suggest utilizing this technique for extended times, like vacations, etc.
- Switch off the electricity power supply to your water heating unit.
- Close the Gas valve.
- Open a hot wart faucet in the home. In width, the water stream ought to be .2 inches, or the water ought to flow at a rate of 1/10th of gallons per minute.
Maintain A Power Source:
Stay connected to electric supply to guarantee the freeze protection system will work. Note that it does not denote the water heating unit requires being on — simply plugged in. For places that often have power outages, either drain-down solenoids or a battery backup system ought to be utilized.
One needs to take extra steps to winterize tankless water heater if he typically winterizes the cabin by draining the water out of the plumbing lines.
Drain water heater Manually:
If the water heater you have installed in your home does not have the freeze protection solenoid valve kit, then you have to drain your tankless water manually. Also, for cold weather conditions, you have to do it. But one thing that is necessary to keep in mind is that the process of draining a tankless water heater is not that easy.
Steps To Follow:
- Start the process by turning off both the gas supply and cold water supply
- Turn off the temperature control
- Then disconnect the electrical power to the unit.
- Place a bucket inside the unit to catch the water
- Remove the drain caps on the hot isolation valves
- Remove the drain caps on the cold isolation valves
- Then open the valves and be careful as the water may be hot
- After that remove the cold water inlet filter
It is suggested to open a hot water tap before opening the valves as hot water will likely shoot out of the unit. If you open the hot water tap, the pressure will be relieved.
Then you have to bring your tankless water heater to its normal operation. Make sure that the gas supply is turned off. Close the water taps. Make sure that all the drain plugs are removed from the unit. Then replace:
- Water drain plug
- Condensate Trap Drain Plug
- Pump Drain Plug
- Check Valve Drain Plug
- Cold Water Inlet Filter
To allow the unit to fill with water open the cold water supply. Open a hot water tap to check that hot water is flowing properly. Close the tap and turn on the electric power. Make sure that the temperature controller is off. Turn on the gas supply and then the temperature controller.
The Bottom Line:
By keeping your device warm, most freezing occurrences can be prevented. Throughout the time of extreme cold, utilize such options in combination with each other for making sure that the water won’t freeze and damage the tankless water heating unit. Now the tankless water heaters are coming with freeze protection technology that enables consumers to mount the unit outdoor even in colder climates.
Water heater with or without tank must supply hot water without any interruption. When the unit freezes due to the cold temperatures outside, its operation gets affected. So, make sure it keeps working well even in chilling weather. It is suggested to get professional help in case the water heating unit does not provide a continuous supply of hot water.