The banging and noise you notice could be a result of the boiler making steam. As mentioned above, lower the temperature to 180. Another check of the expansion tank is to tap the top of the tank with a wrench, it should have a dead sound.
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Learn MoreNov 19, 2012 · A description of how the old style expansion tank provides a cushion for expanding water in a hot water boiler system. This video is part of the heating and cooling series of training videos made
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Learn MoreAttach the garden hose to the drain valve on the side of the tank and drain up to three gallons of water into the bucket. If no valve is present, shut off the valve between the tank and the boiler. Drain the expansion tank. Turn on the water supply. Turn on power to the boiler. The expansion tank will fill as part of the system's normal operation.
Learn MoreThe expansion tank does the job of maintaining even pressure inside the boiler by giving its water a place to expand and a cushion to absorb the pressure and then regulate it. Inside the expansion tank, a diaphragm divides the chamber into two sections.
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Learn MoreThe technical factors in boiler expansion tank size include total volume, operating temperature, and starting operating pressure. I think that most heating service techs eyeball the system and pick what they guess is a safe (big) expansion tank from the range of standard sizes they've seen in residential properties.
Learn MoreThermal Expansion and Expansion Pieces A pipeline will expand when it is filled with hot steam as its temperature rises from ambient air to the steam temperature. This amount of expansion can be significant as shown in the following tables.
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Learn MoreMar 20, 2017 · An expansion tank looks like a mini tank or boiler, and typically sits on top of, or adjacent to, the water heater. They come in many different sizes, depending on your water pressure, the size of the actual water heater, and the temperature the water is heated to. As water is heated, it expands and its pressure in the tank vessel will increase
Learn MoreA key component of a boiler system is an expansion tank attached to the boiler or the nearby heating pipes, which serves to provide space for water and air within the boiler system to expand and contract without damaging pipes or valves.
Learn MoreBefore purchasing an expansion tank, you should find out how large of an expansion tank your system will require. The decision will be based on two factors. The first is your hot water heaters or boilers capacity in gallons. This information will be on your water heaters or boilers factory label. The second is the water pressure in
Learn MoreExpansion tanks are required in heating, cooling or air condition system to avoid unacceptable increases of system pressures when water expands during heat-up. Explosive Power of Super-heated Water 1 lb (0.45 kg) of nitroglycerin > 2 000 000 ft lb f (2 700 000 J)
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