0:06
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Gas is switched on, the clicks of ignition then turned off at the end.
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1:00
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Hvac vent run
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1:00
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Hvac vent run with a metal rattle
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1:00
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Gas water heater run
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0:30
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Furnace bubble and crackle
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0:30
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Furnace bubbles crackle with a low rumble
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0:10
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Water boiler humming while use and dripping towards the end.
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