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2. Circulator pump - Wikipedia

   en.wikipedia.org/wiki/Circulator_pump

   A circulator pump or circulating pump is a specific type of pump used to circulate gases, liquids, or slurries in a closed circuit with small elevation changes. They are commonly found circulating water in a hydronic heating or cooling system.

3. Centrifugal pump - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_pump

   Warman centrifugal pump in a coal preparation plant application A pair of centrifugal pumps for circulating hot water within a hydronic heating system. Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational energy typically comes from an engine ...

4. Gasoline heater - Wikipedia

   en.wikipedia.org/wiki/Gasoline_heater

   Electricity is required to heat the ignition source, with systems designed to be compatible with 6-volt, 12-volt, and 24-volt automotive and aircraft electrical systems. Most gasoline heaters produce between 5,000 and 50,000 BTU per hour. A built-in safety switch prevents fuel from flowing unless the fan is working.

5. High efficiency glandless circulating pump - Wikipedia

   en.wikipedia.org/wiki/High_efficiency_glandless...

   High efficiency glandless circulating pumps have become the industry standard when developing and maintaining buildings within the European Union due to recent changes to the carbon emissions goals. Commercial and residential buildings now have to be outfitted with these pumps in order to decrease electricity usage and, in the long run ...

6. Water heating - Wikipedia

   en.wikipedia.org/wiki/Water_heating

   When the panels are cooler than the storage tank or when the storage tank has already reached its maximum temperature, the controller in closed-loop systems stops the circulation pumps. In a drainback system, the water drains into a storage tank contained in conditioned or semi-conditioned space, protected from freezing temperatures.

7. Simona Halep withdraws from Australian Open qualifying ...

   www.aol.com/simona-halep-withdraws-australian...

   FILE - Simona Halep, of Romania, returns a shot to Daria Snigur, of Ukraine, during the first round of the U.S. Open tennis tournament, Aug. 29, 2022, in New York.