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Limescale is a hard, chalky deposit, consisting mainly of calcium carbonate (CaCO 3). It often builds up inside kettles , boilers , and pipework, especially that for hot water. It is also often found as a similar deposit on the inner surfaces of old pipes and other surfaces where hard water has flowed.
Limescale build-up inside a pipe reduces both liquid flow and thermal conduction from the pipe, so will reduce thermal efficiency when used as a heat exchanger.. A descaling agent or chemical descaler is a liquid chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles.
Manufactured fireplaces are made with sheet metal or glass fire boxes. Electric fireplaces can be built-in replacements for wood or gas or retrofit with log inserts or electric fireboxes. A few types are wall mounted electric fireplaces, electric fireplace stoves, electric mantel fireplaces, and fixed or free standing electric fireplaces.
Wood burning fireplaces are ineffective in heating a home as more than 90% of the heated air is pulled up the chimney. [2] Using an EPA certified fireplace insert can improve heating efficiency by up to 50% while using less wood fuel, reduce creosote build-up in the chimney and lower smoke pollution inside and outside the home. [3]
Rumford fireplace in a New England home. A Rumford fireplace, sometimes known as a Rumford stove, is a tall, shallow fireplace designed by Sir Benjamin Thompson, Count Rumford, an Anglo-American physicist best known for his investigations of heat.
Federal and local authorities are investigating a host of racist text messages sent to an unknown number of Black recipients across the country.
President-elect Donald Trump campaigned on the promise to create more American jobs and protect existing ones. But many of his proposals and expected policy changes threaten to have the opposite ...
Jalen Hurts is clear on the injury report to play for Philadelphia at the Dallas Cowboys after coach Nick Sirianni revealed Friday his quarterback is dealing with an ankle issue. Hurts was listed ...
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