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  2. Heat trap - Wikipedia

    en.wikipedia.org/wiki/Heat_trap

    Heat traps are valves or loops of pipe on the cold water inlet and hot water outlet of water heaters. The heat traps allow cold water to flow into the water heater tank, but prevent unwanted natural convection and heated water to flow out of the tank. [1] [2] Newer water heaters have built-in heat traps.

  3. Water supply and sanitation in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    Agricultural water management in the Philippines is primarily focused on irrigation. The country has 3.126 million hectares of irrigable land, 50% (1.567 million hectares) of which already has irrigation facilities. 50% of irrigated areas are developed and operated by the government through the National Irrigation System (NIS). 36% is developed by the government and operated by irrigators ...

  4. Category:Water companies of the Philippines - Wikipedia

    en.wikipedia.org/wiki/Category:Water_companies...

    Pages in category "Water companies of the Philippines" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes. B.

  5. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Domestically, water is traditionally heated in vessels known as water heaters, kettles, cauldrons, pots, or coppers. These metal vessels that heat a batch of water do not produce a continual supply of heated water at a preset temperature. Rarely, hot water occurs naturally, usually from natural hot springs. The temperature varies with the ...

  6. Plumbing - Wikipedia

    en.wikipedia.org/wiki/Plumbing

    Old water pipe, remnant of the Machine de Marly near Versailles, France. Lead was the favoured material for water pipes for many centuries because its malleability made it practical to work into the desired shape. Such use was so common that the word "plumbing" derives from plumbum, the Latin word for lead.

  7. 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. [ 5 ]

  8. Water privatization in Metro Manila - Wikipedia

    en.wikipedia.org/wiki/Water_privatization_in...

    98 percent of the water used in Metro Manila comes from the Angat Dam about 40 km to the northeast of Manila, a multipurpose dam that is also used for irrigation and hydropower generation. From Angat Dam, water flows through the Angat River to the much smaller Ipo Dam from where it is diverted through tunnels to the La Mesa Basins. From these ...

  9. Category:Water towers in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Category:Water_towers_in...

    Pages in category "Water towers in the Philippines" This category contains only the following page. This list may not reflect recent changes. S. Socorro Water Towers

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