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The TUNDRA SPECIALTIES 16663 (261834) is an overflow head drain fitting designed for commercial sink applications. The overflow head connects to the drain assembly and manages water overflow, directing excess water back into the drain line before it can spill over the sink basin. Sized at 1-1/4 inches, this fitting integrates with standard commercial sink drain configurations. Installation is handled by licensed plumbers or qualified maintenance technicians in foodservice, janitorial, and light commercial settings.
This overflow head is suited for commercial sink installations where an overflow port is present in the basin. Typical use cases include restaurant prep sinks, service sinks, and similar commercial plumbing fixtures that require a compliant drain overflow assembly. The 1-1/4 inch sizing corresponds to standard commercial sink drain outlet dimensions commonly found in light commercial plumbing systems.
Designed as an OEM-style replacement overflow head for commercial sink drain assemblies with a 1-1/4 inch drain connection.
Installation is typically performed by a licensed plumber following applicable IPC guidelines. Shut off the water supply to the sink before beginning any drain work. Ensure the overflow port on the sink basin is clear and free of debris before seating the overflow head. Do not overtighten fittings, as this can crack the drain body or distort the seal.
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