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The TIGRE USA INC 36-644 is a 4-inch PVC sewer female adapter fitting designed to transition between a hub-end pipe and a female iron pipe thread connection. This fitting is used to join PVC sewer pipe to threaded iron pipe in drainage systems. It features a hub inlet on one end and a female iron pipe thread on the other, allowing a threaded male pipe end to be screwed directly into the fitting. Licensed plumbers and pipefitters install this type of adapter during rough-in and repair work on residential and light commercial drain, waste, and vent systems.
This adapter is suited for below-grade and above-grade sewer and drain applications where a PVC hub connection must terminate at a threaded iron pipe fitting. It is commonly installed where older cast iron or galvanized steel drain lines interface with PVC sewer pipe. The fitting is sold in a package quantity of 24 units, making it practical for contractors and supply houses stocking for multi-unit jobs or ongoing service work.
Designed as an OEM-style replacement and standard-use fitting for 4-inch PVC sewer and drain systems requiring a hub-to-female iron pipe thread transition.
Installation is performed by a licensed plumber in accordance with the International Plumbing Code or applicable local codes. Shut off water supply and relieve system pressure before beginning any work on active drain or supply lines. The hub end requires standard PVC solvent cement applied per the cement and primer manufacturer instructions. Do not overtighten threaded iron pipe connections into the female thread outlet, as PVC threads can crack under excessive torque.
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