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For a 3kW immersion heater, a protective device such as a circuit breaker or fuse should be rated at least 13 amps to safely handle the load. This is calculated by dividing the power (3000 watts) by the voltage (usually 230V in residential settings). It is important to ensure the protective device is properly sized to prevent overheating and potential hazards.

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ProfBot

8mo ago

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What type of electrical device is often fitted to a hot water storage vessel to supplement the hot water supplied from the boiler?

is it a diverter valve or immersion heater then? only need a simple answer haha


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To answer this question the voltage of the immersion heater is needed. I = W/E.


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Depends on the waatage of the immersion heater. Read the name plate details of the heater - it shows the wattage of the heater. Assuming the wattage is 1KW (1000Watt) the KHW will be 1KHW if you use the heater for 1 hour.


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