Water pump
According to the Non-domestic building services compliance guide, 2013 edition, published by HM Government, the term ‘water pump’ (dry rotor or direct coupled pump) refers to
| ...a centrifugal pump driven by an electric motor and generally having mechanical seals. Common pump types include in-line, end suction and vertical multi-stage. The first two are usually single-stage pumps having single-entry volute. By design they can all be used as circulators for all HVAC (heating ventilation and air conditioning) applications depending on configuration and duty. |
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