What causes a tankless water heater to stop working?

The Air Supply or Exhaust Is Blocked At times, your exhaust or air supply might get blocked, which can cause your tankless water heater to stop heating. Many water heaters will automatically shut off as a way to protect the appliance and help prevent other safety hazards that could result.

Can you repair a tankless water heater?

Often, a malfunctioning water heater due to a broken heating element can be fixed with relative ease. A plumbing professional will check the circuit breaker, thermostat, and any other wiring to ensure that the heating element is the only faulty part.

Does my tankless water heater have a reset button?

The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.

Do tankless water heaters have fuses?

The heater is usually fused in the main electrical panel but some electric water heaters may be fed from a separate fuse or circuit breaker box. If the fuse is blown or breaker is tripped, replace the fuse or re-set the circuit breaker.

How long do tankless water heaters last?

Most tankless water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that may extend their life by many more years. In contrast, storage water heaters last 10–15 years. Tankless water heaters avoid the standby heat losses associated with storage water heaters.

Do I need to get my tankless water heater serviced?

Annual or semi-annual maintenance is important for a tankless water heater, but it won’t make the system last forever. Eventually you will need to replace the appliance with a new one, though a tankless system may last more than 20 years.

Should a tankless water heater be serviced?

The good news is that tankless water heaters don’t require much maintenance, either. A tankless system should be serviced as a part of the regular preventive maintenance that heating and cooling systems receive. Electric or gas components should be inspected.