| 摘要 |
In an improved pump assembly having a fluid reservoir into which a stationary post extends, a sensor is supported by the post and a floating member is supported for travel between upper and lower portions of the post. A magnet is supported by the floating member, the sensor responding to the position of the magnet as the floating ring member moves along the post. A float retention member is detachably supported by the post to retain the floating member on the post, the floating member having a support ring with a plurality of inwardly extending spring members disposed to grip the end of the post. A heat exchanger is supported for absorbing a portion of the thermal energy created by the pump assembly.
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