If you have an older tankless water heater 10 years old the problem is most likely that the minimum flow rate is too high.
Tankless water heaters problems.
If your tankless water heater is delivering water that s too hot or too cold there s a number of issues that could cause this problem.
Which is required will depend on what can provide a sufficient level of fuel to the water heater.
You see every tankless water heater has a minimum flow rate which is the minimum amount of water measured in gallons that the tankless unit needs flowing through it every minute gpm to produce hot water.
While a tankless hot water heater can supply one shower with endless hot water the capacity is usually limited to just one faucet.
The burner is too noisy.
Burner does not ignite.
Hybrid tankless water heaters.
Water is too cold it could simply be that the water temperature is set too low.
Mineral buildup whether you use a traditional or a tankless water heater you need to keep an eye out for mineral buildup inside your water heater.
Undersized gas lines can place stress on the water heater reduce its expected lifespan and even be a warranty violation for some manufacturers.
Rheem manufacturing ranks as the global leader in the manufacture of high quality sustainable and innovative water heaters tankless water heaters air conditioners furnaces pool heaters and hvac systems for residential and commercial applications and is a full member of ahri the air conditioning heating refrigeration institute.
Hard water leading to mineral build up corrosion excessive demand and improper installation can all cause problems with on demand water heaters.
Do a load of laundry while you re taking a shower and a tankless heater will have a hard time producing enough hot water to supply both.
Here are the best ways to address these issues.
If this is the case adjust the maximum temperature between 125 and 130 degrees fahrenheit.
Consumer reports magazine warns that on demand water heater maintenance can be expensive.
Here are six of the most common problems and maintenance concerns for tankless water heaters mineral buildupsystem overloadcold water sandwichair supply or exhaust blockageignition failureflame failurekeep reading to learn what signs to look for when identifying these issues and how to fix them problem 1.
No hot water often related to the flame failure and no ignition water is too hot.
Water is not hot enough.
Because our customers safety is our first priority we disclose any problems that have occurred related to our products.