Alert: protect your home – can tankless water heaters freeze and burst?
What To Know
- Unlike traditional tank water heaters that store a reserve of hot water, tankless water heaters heat water on demand.
- The time it takes to thaw a frozen tankless water heater depends on the severity of the freeze.
- A professional plumber can typically thaw a frozen water heater in a few hours.
Can Tankless Water Heaters Freeze?
Yes, tankless water heaters can freeze if not properly winterized. Unlike traditional tank water heaters that store a reserve of hot water, tankless water heaters heat water on demand. If the water supply to the tankless water heater freezes, it can damage the internal components.
How to Prevent Tankless Water Heater Freezing
To prevent your tankless water heater from freezing, follow these steps:
- Insulate the water heater: Wrap the water heater and any exposed pipes with insulation to prevent heat loss.
- Drain the water heater: If you’re going away for an extended period during cold weather, drain the water heater by opening the drain valve at the bottom.
- Install a freeze protection kit: Freeze protection kits include a heating element that automatically turns on when the temperature drops below a certain point.
- Locate the water heater in a warm area: If possible, install the tankless water heater in a garage, basement, or other area that is not exposed to freezing temperatures.
- Use hot water regularly: Running hot water through the tankless water heater will help prevent the water from freezing.
Signs of a Frozen Tankless Water Heater
If you suspect your tankless water heater has frozen, look for the following signs:
- No hot water: If the water heater is frozen, it will not be able to produce hot water.
- Leaking water: A frozen tankless water heater can cause leaks.
- Unusual noises: If you hear strange noises coming from the tankless water heater, it may be a sign that it has frozen.
What to Do If Your Tankless Water Heater Freezes
If you think your tankless water heater has frozen, follow these steps:
1. Turn off the power: Immediately turn off the power to the tankless water heater.
2. Call a plumber: A professional plumber can safely thaw the water heater and inspect it for damage.
3. Do not try to thaw the water heater yourself: Attempting to thaw the water heater yourself could cause further damage.
Conclusion: Stay Warm and Protect Your Water Heater
Tankless water heaters can freeze if not properly winterized. By following the steps outlined above, you can prevent your tankless water heater from freezing and ensure you have hot water all winter long.
FAQ
Q: Can I use a space heater to thaw my tankless water heater?
A: No, using a space heater to thaw your tankless water heater is not recommended. Space heaters can create uneven heating, which can damage the water heater.
Q: How long does it take to thaw a frozen tankless water heater?
A: The time it takes to thaw a frozen tankless water heater depends on the severity of the freeze. A professional plumber can typically thaw a frozen water heater in a few hours.
Q: How much does it cost to repair a frozen tankless water heater?
A: The cost to repair a frozen tankless water heater varies depending on the extent of the damage. Minor repairs may cost around $100, while major repairs could cost over $1,000.