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The CAPITOL MANUFACTURING 12203013 is a 1-1/4 inch threaded cap used to close off the end of a threaded pipe or fitting. It creates a secure, leak-resistant termination point on open pipe ends in plumbing, HVAC, and related piping systems. The threaded connection allows for straightforward installation using standard hand tools. This fitting is sold as a single unit and is suited for use by licensed plumbers, pipefitters, and HVAC technicians working on residential or light commercial systems.
This threaded cap is appropriate for applications where a pipe end must be capped temporarily or permanently. Common installation scenarios include capping unused branch lines, service ports, or test points in pressurized or non-pressurized piping systems. Its 1-1/4 inch size fits standard NPT-threaded pipe of that nominal diameter.
Designed as an OEM-style replacement or standard fitting for 1-1/4 inch threaded pipe connections in residential and light commercial plumbing and HVAC piping systems.
Installation is performed by a licensed plumber or pipefitter. Shut off the water supply or depressurize the system before threading on the cap. Apply thread sealant tape or compound to the male threads before installation in accordance with IPC and local code requirements. Do not overtighten, as this may damage the threads.
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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