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The TAPCO 21403 is a drain plug designed for use in plumbing and HVAC drainage applications. It provides a secure seal at drain ports, cleanout access points, or condensate system openings where temporary or semi-permanent closure is required. Weighing 0.054 pounds, this is a compact, lightweight fitting suited for residential and light commercial service work. Licensed plumbers and HVAC technicians typically keep drain plugs on hand as a standard service item for a range of system types.
This drain plug is appropriate for use in condensate drain lines, plumbing drain cleanouts, and similar access points requiring a reliable seal. It is a compact part well suited for both new installation work and service calls where a drain port needs to be capped or sealed during system maintenance or repair.
Designed as an OEM-style replacement drain plug for plumbing and HVAC drainage systems requiring a standard drain port closure.
Installation is typically performed by a licensed plumber or HVAC technician. Before servicing any drain or condensate system, shut off the associated equipment and relieve any system pressure. Ensure the mating threads or port surface are clean and free of debris before seating the plug. Follow applicable local plumbing codes and manufacturer guidelines for proper installation.
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