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2. Water softening - Wikipedia

   en.wikipedia.org/wiki/Water_softening

   The presence of certain metal ions like calcium and magnesium, principally as bicarbonates, chlorides, and sulfates, in water causes a variety of problems. [1] Hard water leads to the buildup of limescale, which can foul plumbing, and promote galvanic corrosion. [2] In industrial scale water softening plants, the effluent flow from the re ...

3. A. O. Smith - Wikipedia

   en.wikipedia.org/wiki/A._O._Smith

   A. O. Smith Corporation is an American manufacturer of both residential and commercial water heaters and boilers, and the largest manufacturer and marketer of water heaters in North America. It also supplies water treatment and water purification products in the Asian market. [ 6 ]

4. Rheem Manufacturing Company - Wikipedia

   en.wikipedia.org/wiki/Rheem_Manufacturing_Company

   Rheem Manufacturing Company is a privately held manufacturer who produces residential and commercial water heaters, boilers, heating, ventilating and air conditioning (HVAC) equipment. The company also produces and sells products under the Ruud brand name.

5. Dealkalization of water - Wikipedia

   en.wikipedia.org/wiki/Dealkalization_of_water

   Dealkalizers are most often used as pre-treatment to a boiler and are usually preceded by a water softener. Alkalinity is a factor that most often dictates the amount of boiler blowdown . High alkalinity promotes boiler foaming and carryover and causes high amounts of boiler blowoff.

6. Calgon (water softener) - Wikipedia

   en.wikipedia.org/wiki/Calgon_(water_softener)

   In Portugal, the Calgon advertisement jingle has been the same popular one [1] [better source needed] for almost 30 years. [when?In Italy, Calgon was called Calfort from 1965 to early 2008.

7. Tankless water heating - Wikipedia

   en.wikipedia.org/wiki/Tankless_water_heating

   Savings in water use: Users in remote points in the building do not have to run the hot water as long, waiting for it to get to the faucet. Unlimited hot water: Though flow rate determines the amount of hot water the heater can produce, it can deliver it at that flow rate indefinitely. However, this can also be an ecological disadvantage, as ...