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Watts = Amps x Volts. Amps = Watts/Volts = 4.16. The smallest breaker in a house panel is 15 amps. You will need a 2 pole 15 amp breaker. On a # 14 wire you can load that circuit up to 12 amps.

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Q: How many amp circuit breaker is needed for a 1000 watt 240 volt electric baseboard heater?

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800 watts/ 240 Volts = 3.34 amps 14AWG wire with a 15 amp will do

There are three possibilities: the circuit is not rated for the power draw of the water heater, the breaker has failed or there is a problem with the water heater.

A circuit that has only resistance in the load like a baseboard heater for example.

Yes

There is no difference in the efficiency between the two baseboard heater, just the voltage. By using the higher voltage, double the fixtures can be installed on the circuit. Heat output will be the same if the wattages are the same.

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800 watts/ 240 Volts = 3.34 amps 14AWG wire with a 15 amp will do

There are three possibilities: the circuit is not rated for the power draw of the water heater, the breaker has failed or there is a problem with the water heater.

Yes, an electric baseboard heater can be installed under a towel rack in a bathroom.

All three, on 110V a split receptacle, on 220V a baseboard heater, on 440V a construction heater or similar resistive load.

A circuit that has only resistance in the load like a baseboard heater for example.

Yes

I am renewing my heater system because it is old. Where can I get more information on electric baseboard heaters?

There are two types of thermostats. One is a line voltage stat. This is in effect a switch and when turned to the off position the voltage is interrupted and the heater will not operate. The other type of stat is low voltage. There will be a relay in the baseboard heater that the thermostat is connected to. With this type if installation to turn the power completely off you will have to turn the breaker off that feeds the circuit.

There is no difference in the efficiency between the two baseboard heater, just the voltage. By using the higher voltage, double the fixtures can be installed on the circuit. Heat output will be the same if the wattages are the same.

Yes, the heater is a 240/120 heater, but I want to operate as 120 volt

Yes, all electric heaters are required to have an emergency circuit breaker which shuts the unit down in the event of overheating.

The best way to determine which circuit breaker is for the water heater is with a voltage meter, It is suppose to be only one circuit breaker, but in a faulty application it could be two breakers

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