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The NIBCO v01300d is a valve waste cap designed to seal the waste outlet port on compatible ball valves and similar shut-off valves. This small but critical fitting prevents leakage and protects the waste port from contamination or accidental discharge during normal system operation. Weighing just 0.012 pounds, the cap is lightweight and easy to handle during installation or replacement. Plumbers and pipefitters typically install this component as part of routine valve service or when commissioning a new valve assembly in residential or light commercial plumbing systems.
This waste cap is suited for use on valves ranging from 3/8 inches to 1 inch in size. It is typically installed in potable water, hydronic heating, or general plumbing applications where the valve waste port must remain sealed during operation. The part is sold in a 2-pack configuration, making it practical to keep a spare on hand for future service calls or to address multiple valves in a single installation.
Designed as an OEM-style replacement waste cap for NIBCO ball valves and shut-off valves with waste ports in the 3/8 inch to 1 inch size range.
Installation should be performed by a licensed plumber or qualified pipefitter. Before replacing or installing the waste cap, shut off the water supply and depressurize the affected line to prevent injury or water damage. Thread the cap carefully by hand before applying a tool to avoid cross-threading. Follow all applicable local plumbing codes and IPC guidelines when servicing valve assemblies.
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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