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2. Flue-gas condensation - Wikipedia

   en.wikipedia.org/wiki/Flue-gas_condensation

   Flue gas condensation is a process, where flue gas is cooled below its water dew point and the heat released by the resulting condensation of water is recovered as low temperature heat. Cooling of the flue gas can be performed either directly with a heat exchanger or indirectly via a condensing scrubber .

3. Furnace (central heating) - Wikipedia

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

   A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as compared to a mid-efficiency forced-air or forced-draft furnace, is the capture of latent heat from the exhaust gases in the secondary heat exchanger.

4. Cold trap - Wikipedia

   en.wikipedia.org/wiki/Cold_trap

   [3] [4] Reversing this, connecting the down tube to the source of vacuum, places the inlet of the vacuum directly above the condensate, increasing the chances of vapour phase condensate moving up the (uncooled) down tube (towards the pump) or, should the trap begin to fill to an appreciable volume, liquid phase condensate being pulled into the ...

5. Condensate pump - Wikipedia

   en.wikipedia.org/wiki/Condensate_pump

   A condensate pump is a specific type of pump used to pump the condensate produced in an HVAC (heating or cooling), refrigeration, condensing boiler furnace, or steam system. [ 1 ] Applications

6. Air purge system - Wikipedia

   en.wikipedia.org/wiki/Air_purge_system

   If temperatures are below this point, the controls will be corroded by condensation of compounds in the flue gas. Heated air ensures that controls are dry during startup. [3] The pressure drop in the length of air hose connecting the blower to the instrument is important when determining blow output requirements. Some systems have one blower ...

7. Furnace - Wikipedia

   en.wikipedia.org/wiki/Furnace

   Furnace (central heating): a furnace, or a heater or boiler, used to generate heat for buildings; Boiler, used to heat water; also called a furnace in American English when used for heating and hot water in a building; Jetstream furnace or Tempest boiler, a design of wood-fired water heater