Tankless Water Heater Problems In Cold Weather

Water is too hot.

Tankless water heater problems in cold weather.

This is a large power propane tankless water heater the flow rate of it reaches as high as 9 8. This can be caused by. The temperature is set too high. An improperly sized gas line as mentioned above.

Rinnai rl75en natural gas tankless water heater. Rinnai rl94ip propane tankless water heater. They often require additional attention in order to prevent them from experiencing weather related problems such as freezing. Fixing tankless water heater problems no hot water.

Rheem rtg 64xln tankless water heater. At a rate of approximately 1 6 gallons per minute the water reaches the temperature set by the home owners. Many manufacturers build the gas tankless units to provide freeze protection to accommodate sub zero temperatures. In a cold climate the first consideration is to size tankless units properly says linda cahill vice president of tankless concepts in falls church virginia which sells and installs rinnai and navien products.

Another problem that tankless water heaters can run into is that of a cold water sandwich a plumbing term given to sudden temperature fluctuations when your tankless water heater produces hot and cold water intermittently. Reduce the temperature to avoid the problem with the scalding hot. In addition the pipes into the tankless water heater must be heat traced and insulated to protect them from freezing. Water is not hot.

In order to use this feature you must have both power and gas run to the unit. For most tankless water heaters the display with present an error code to inform you that your air supply or exhaust is blocked. The first things you should. Cold weather can be a problem for tankless water heaters.

A rinnai certified contractor or approved plumber will follow. Best tankless hot water heaters for cold climates. No hot water is one of the most common problems in water heating systems. If you live in a cold climate like massachusetts and are looking for a tankless water heater go gas.

In winter when the incoming water temperature is colder the tankless unit can t heat as much hot water she says. So when the ground water gets colder in winter the electric tankless water heater may not give you the endless hot water you re expecting. Your air supply or exhaust is blocked. Though it is true that most electric tankless heaters do not perform well in cold weather many natural gas tankless systems do.

Unfortunately there s no way to prevent this but now that you re aware of the problem you can avoid jumping in the shower until the cold water has passed. This is a problem rarely seen in traditional tank style water heaters but one you can avoid with regular water heater maintenance.