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The Sioux Chief 869-S4A is a backwater valve designed for use in drainage systems. It is a four-inch ABS solvent weld model built to withstand sewage backup. This valve can be installed in horizontal drainage lines to prevent damage to residential properties from water backups. The modular design allows for interchangeable accessories, making it versatile for various applications.
This backwater valve features a stepped design to promote effective flow and a reliable sealing mechanism. It adapts well to shallow or deep-bury installations, complying with industry standards.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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