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The NU-CALGON NUCAL-4216-92 is a Thumb-Tite pipe thread sealant packaged in a 2-pound box, designed for use in sealing threaded pipe connections across HVAC, plumbing, and refrigeration systems. Thumb-Tite is a well-established thread sealant compound applied by hand directly to male pipe threads before assembly. It fills voids in threaded joints to prevent leaks and is typically applied in trade environments where a reliable, easy-to-apply sealant is needed for gas, water, or refrigerant line connections.
Thumb-Tite thread sealant is commonly used in residential and light commercial applications including gas line fittings, water supply connections, and HVAC piping assemblies. It is suited for use by licensed plumbers, HVAC technicians, and pipefitters working on threaded connections in new installations or service calls requiring joint re-sealing.
Designed as a general-purpose pipe thread sealant for use on threaded pipe connections in HVAC, plumbing, and refrigeration systems. Verify chemical compatibility with the specific pipe material and media before application.
Application is performed by licensed plumbers, HVAC technicians, or pipefitters during pipe joint assembly or service. Shut off and depressurize the system before disassembling any threaded fittings. Apply sealant to male threads only, then assemble and tighten the joint according to standard trade practice. Follow all applicable codes including the International Fuel Gas Code (IFGC) and International Plumbing Code (IPC) for the specific installation.
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