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Instead of electricalresistance

Instead of electrical-resistance elements, gas-fired heaters have a burner that's fed gas through a control valve and a thermostat switch in an oil-fired heater, the burner is similar to that found on an oil-fired furnace in either case, the burner is usually situated to throw a flame under the tank the exhaust gases are vented either through.

Added: 2020-05-09 | Category: one
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