摘要 |
An overfill assembly for controlling overfill of liquid to an underground storage tank during a filling operation comprises a dump tank, a fill tube positioned within the dump tank, piping with a valve, a cover base anchor ring, and a cover. The cover base anchor ring and preferably the fill tube within the dump tank are encased with a shrink-fitting covering which extends from the neck and dump tank bottom wall, respectively to ensure liquid tight fits.
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