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2
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The material of a cold water storage cistern
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4
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Found in an indirect cylinder to heat the water
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5
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Found in a direct cylinder to heat the water
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6
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Name the pipe that flows from the boiler to the coil in the cylinder
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7
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What is the name of the device to protect from overheating
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8
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Used to control the water level in a Cold Water Storage Cistern
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9
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The device used to control the Immersion Heater
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10
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The type of valve fitted on the cold feed to the cylinder
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