| 摘要 |
<p>The sump has a filter in the water flow path. The filter has a single piece support which is placed at the bottom of the bowl in a suitable opening, and may be attached to and detached from the bowl. The sump encloses the body of the circulation pump and the drain pump and can accept the motor unit of the circulation pump. The drain pump has a rapid coupling unit which fits into a matching coupling half on the drain pump motor. The rapid coupling is by a bayonet connector, and the sump is fixed by tabs with screws allowing the sump to be rotated between release and fixed positions. The pressure in the unit is maintained at a constant predetermined level.</p> |
