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The AMERICAN GRANBY ssma11/4x1 is a stainless steel insert male adapter fitting designed for use in flexible poly pipe systems. Constructed from 304 stainless steel with a cast finish, this fitting transitions a 1-1/4-inch insert connection to a 1-inch male threaded end. It is lead-free, making it suitable for potable water applications where material compliance is required. Plumbers and pipefitters install this adapter where poly pipe must connect to a threaded fitting or valve body. The IAPMO-applicable standard designation supports use in code-compliant installations across residential and light commercial plumbing systems.
This adapter is intended for flexible poly pipe systems, commonly found in well water supply lines, irrigation systems, and rural water distribution. The insert end grips the interior of the poly pipe and is secured with a stainless steel clamp or crimp ring during installation. The male threaded end connects to standard NPT fittings, valves, or pressure tanks. It is sold in cartons of 10 units, making it practical for contractors stocking multiple fittings for a job or service inventory.
Designed for use in flexible poly pipe systems with a 1-1/4-inch insert connection and a 1-inch male NPT threaded outlet, consistent with standard poly pipe fittings used in well water and irrigation applications.
Installation should be performed by a licensed plumber following local plumbing codes and IAPMO-referenced standards. Shut off the water supply and depressurize the line before cutting or fitting the poly pipe. The insert end requires a stainless steel clamp or appropriately sized crimp ring torqued with the correct tool for the fitting size. Do not overtighten the threaded connection; use an appropriate thread sealant or tape rated for potable water systems.
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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