| 1. | :A flow center that typically consists of circulating pumps mounted in a cabinet.
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| 2. | Note that circulating pumps usually do not generate enough pressure to overcome air locks.
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| 3. | At noon, fire broke out in the main motor auxiliary circulating pump and was extinguished.
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| 4. | For example, a central heating system using a circulating pump to pump water through radiators.
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| 5. | Direct exchange systems eliminate the plastic water pipe and water circulating pump found in water-source geothermal systems.
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| 6. | In addition to the boiler, pipes, radiators and circulating pump, hot-water systems also have an expansion tank.
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| 7. | To drain the water from a hot water system, first shut off the switch to the circulating pump.
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| 8. | There are two types of solar water heating systems : active, which have circulating pumps and controls, and passive, which don't.
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| 9. | Attempts were made to use the engine circulating pumps as additional bilge pumps, but the rapid rise of water prevented this.
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| 10. | You gain weight without eating, your body's water pools at the extremities, bloating them for lack of a strong enough circulating pump.
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