All parts are repairable but if it s the heat exchanger i d replace the whole unit due to its age.
Tankless water heater heat exchanger leaking.
T h3j series t h3s series t d2 u series t h3 series t m32 and t m50 series non asme models all aspects of the heat exchanger were designed to add the durability and reliability that is vital to any successful commercial organization or business.
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.
Customer reply replied 2 years ago.
Now the water has come to the primary heat exchanger where it will be heated up with a balanced temperature of the flame.
I have a rinnai tankless water heater that is leaking.
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.
We discuss more details about the origins of water leakage in tankless water heater below.
Ask your own plumbing question.
Gas tankless water heater.
Causes of water leakage in tankless water heater.
Takagi tankless water heater model tk3 leaking heat exchanger replacement.
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.
Only takagi incorporates true commercial grade heat exchangers in our tankless heater.
It may seem not a big deal at first.
How navien tankless water heater works.
Water leaks from your water heater are a symptom of a much bigger problem in wait.
However as time goes the leakage may turn out to be catastrophic if not taken seriously.
With a gas tankless water heater the burner may get clogged resulting in hot spots that can burn the heat exchanger.
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.
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.
If this is a answered by a verified plumber.