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The MIDLAND INDUSTRIES 35037 is a lead-free brass PEX coupling designed to join two PEX water supply lines of different diameters. It connects a 1-inch PEX line to a 3/4-inch PEX line, making it a practical solution for reducing or transitioning line sizes within a plumbing system. The lead-free brass construction meets current federal and state safe-drinking-water requirements. At 0.08 pounds, the fitting is compact and lightweight, measuring approximately 1.55 inches in height and 0.95 inches in length. Plumbers and plumbing contractors install this coupling as part of residential or light commercial potable water distribution systems.
This fitting is suited for residential and light commercial plumbing installations where a 1-inch PEX main line must transition down to a 3/4-inch PEX branch or supply line. Typical applications include domestic hot and cold water distribution, manifold branch connections, and retrofit plumbing work where PEX tubing has replaced copper or CPVC runs. The coupling is part of the Lead-Free Brass PEX Fittings product line and is designed for use with standard PEX tubing and compatible crimp or clamp connection tools.
Designed as an OEM-style replacement or new-installation fitting for residential and light commercial PEX water distribution systems requiring a 1-inch to 3/4-inch transition.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off the water supply and depressurize the line before fitting installation. Use a calibrated PEX crimp or clamp tool appropriate for each tubing size - 1-inch tooling on the larger side and 3/4-inch tooling on the smaller side. Inspect the crimp or clamp ring for proper seating before restoring pressure.
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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