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1/2" Brass Float Valve Plastic Float Tank & Cistern & Expansion Tanks: Amazon.com: Industrial & Scientific
WATTS Heavy Duty Float Valve: Pipe Mount, 1 1/2 in Size, FNPT, 250 gpm Valve Flow - Flow (1) - 46A988|1500 - Grainger
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Dial Brass, Plastic Evaporative Cooler Float Valve in the Evaporative Cooler Accessories department at Lowes.com
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