This Sloan H-553 Tailpiece O-ring fits into a groove on the flushometer tailpiece. The tailpiece with the o-ring then slides into the control stop, where the o-ring creates a watertight seal. It is recommended that you replace this o-ring each time you loosen the connection.
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This Sloan H-553 Tailpiece O-ring fits into a groove on the flushometer tailpiece. The tailpiece with the o-ring then slides into the control stop,
Sloan H-553 Tailpiece O-Ring