Importance

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Abstract

A fill valve includes a stand pipe for positioning upright on the floor of a fluid reservoir, and a discharge tube secured at a selected position on the stand pipe by a locking collar. The discharge tube is adapted to move along the stand pipe to allow for height adjustment of the fill valve. A cap is positioned on and engages an end of the discharge tube to house a seating diaphragm, a stem, and a guide ring. The cap uses a snap-on feature that allows for extended fill height adjustment. A float is positioned around the discharge tube and is adapted to move along the discharge tube as the fluid level in the reservoir changes. The discharge tube includes a refill tube connection for filling the reservoir, and a connection for a thermal expansion device to be connected to an interior of the stand pipe.

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First Claim