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  2. Water heating - Wikipedia

    en.wikipedia.org/wiki/Water_heating

    Gas tankless water heaters shall have an energy factor of 82% or greater under the 2015 standards, which corresponds to the pre-2015 Energy Star standard. In 2022 the Department of Energy proposed rules that would take effect in 2026 and would effectively eliminate inefficient non-condensing gas water heaters in commercial buildings.

  3. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Tankless water heaters provide many advantages: [9] Long term energy savings: Though a tankless water heater typically costs more initially, it usually costs less to operate because of lower energy use—since it only heats water when required instead of continuously maintaining a tank of heated water. Even homes or buildings with high demand ...

  4. Descaling agent - Wikipedia

    en.wikipedia.org/wiki/Descaling_agent

    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.

  5. Grinder pump - Wikipedia

    en.wikipedia.org/wiki/Grinder_pump

    The National Association of Clean Water Agencies has compiled a list of articles and municipal documents regarding wipes. [citation needed] In large sewage pump stations, clogging problems are often avoided by installing a chopper pump in the tank. A chopper pump is able to handle larger/tougher solids than a residential grinder pump, and may ...

  6. Plumber's snake - Wikipedia

    en.wikipedia.org/wiki/Plumber's_snake

    A man clears a sanitary sewer pipe with a motorized snake. Plant roots and other material being removed from a drain. A plumber's snake or drain snake or drain auger is a slender, flexible auger used to dislodge clogs in plumbing.

  7. What New RV Owners Wish They Knew Before Buying - AOL

    www.aol.com/rv-owners-wish-knew-buying-170000221...

    New RV owners who buy an RV without powered leveling jacks will find manual jacks a pain to use, taking much longer than the powered versions. ... While there are some RVs with tankless water ...

  8. Pilot light - Wikipedia

    en.wikipedia.org/wiki/Pilot_light

    Merker tankless gas-fired water heater from the 1930s, with pilot light clearly visible through the aperture in the front cover. The large opening allowed for the manual lighting of the pilot light by a lit match or taper

  9. Plumbing fixture - Wikipedia

    en.wikipedia.org/wiki/Plumbing_fixture

    The visible water surface in a toilet is the top of the trap's water seal. Each fixture drain, with exceptions, must be vented so that negative air pressure in the drain cannot siphon the trap dry, to prevent positive air pressure in the sewer from forcing gases past the water seal, and to prevent explosive sewer gas buildup.