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2. List of boiler types by manufacturer - Wikipedia

   en.wikipedia.org/wiki/List_of_boiler_types_by...

   three-drum boiler: water-tube boilers with three drums in a triangular arrangement. The best known of these are the Yarrow and Admiralty patterns. Lesser-known examples are the Normand and Mumford. Thornycroft boiler: Several variants of an early naval water-tube boiler. [6] [9] [59] Also a small annular water-tube boiler used in Thornycroft's ...

3. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   Where hot-water space heating boilers are installed, domestic hot water cylinders are usually heated indirectly by primary water from the boiler, or by an electric immersion heater (often as backup to the boiler). In the UK these vessels are called indirect cylinders and direct cylinders, respectively. Additionally, if these cylinders form part ...

4. Energy Prices Are High—And These Tankless Water ... - AOL

   www.aol.com/energy-prices-high-tankless-water...

   Packing 240 volts, this electric water heater can put out as much as 4.4 gallons of water per minute. This tankless water heater allows you to adjust the water temperature yourself, thanks to its ...

5. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   Heating appliances that use steam or hot water as the fluid are normally referred to as a residential steam boilers or residential hot water boilers. The most common fuel source for modern furnaces in North America and much of Europe is natural gas ; other common fuel sources include LPG (liquefied petroleum gas), fuel oil , wood and in rare ...

6. Boiler (water heating) - Wikipedia

   en.wikipedia.org/wiki/Boiler_(water_heating)

   The boiler heats water to a temperature controlled by a thermostat. The water then flows (either by natural circulation or by a pump) to radiators in the rooms which are to be heated. Water also flows through a coil in the hot water tank to heat a separate mass of water for bathing, etc.

7. Condensing boiler - Wikipedia

   en.wikipedia.org/wiki/Condensing_boiler

   However, boilers are normally installed with higher flow temperature by default because a domestic hot water cylinder is generally heated to 60 °C (140 °F), and this takes too long to achieve with a flow temperature only three degrees higher. Nevertheless, even partial condensing is more efficient than a traditional boiler.