Tankless Water Heater Heat Exchanger Leaking

Water leaks from your water heater are a symptom of a much bigger problem in wait.

Tankless water heater heat exchanger leaking. The main disadvantage of tankless water heaters is their upfront cost unit and installation is significantly higher than tank style heaters. Tankless water heaters produce an endless supply of hot water take up less space have a lower risk of leaking are safer and have a significantly longer lifespan on average. In this stage a secondary heat exchanger prepares the cold water by pre heating as if it could get warmer easily in the primary heat exchanger. How navien tankless water heater works.

Ventilation is playing an important role for proper fresh air inflow into the heat exchanger. At the first indication of corrosion on your tankless water heater call for repair professionals. Now the water has come to the primary heat exchanger where it will be heated up with a balanced temperature of the flame. Ask your own plumbing question.

It may seem not a big deal at first. Mostly in case it happens tankless water heaters leak from the bottom or along with the connections. If the tankless water heater doesn t properly vent out exhaust gases from the heat exchanger it can cause the heat exchanger to corrode and this can be potentially harmful to your house. Causes of water leakage in tankless water heater.

The heat exchanger is a vital element on every tankless water heater including bosch and it has to withstand high thermal and mechanical stress due to its design which includes small water passageways the heat exchanger is very sensitive to limescale and mineral build up. Takagi tankless water heater model tk3 leaking heat exchanger replacement. With a gas tankless water heater the burner may get clogged resulting in hot spots that can burn the heat exchanger. Gas tankless water heater.

We discuss more details about the origins of water leakage in tankless water heater below. However as time goes the leakage may turn out to be catastrophic if not taken seriously. I have a rinnai tankless water heater that is leaking. With proper maintenance tankless water heaters rarely develop problems but if you experience a drop in water temperature or no hot water at all these are the likely culprits.

Can this be caused by calcium lime scale buildup. A corroded water heater almost always needs to be replaced.