We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Copper straight reducing coupling with two sweat ends

Mueller Industries, Inc.

Mueller Industries 01067 Straight Reducing Coupling 1 1/2in x 3/4in Copper

SKU CH-PPMN-R2KDA

Straight reducing coupling joins 1 1/2 in and 3/4 in copper tubes for potable water systems, rated to 408 psi at 100 degrees F and 250 degrees F maximum temperature

  • Straight reducing design joins 1 1/2 in and 3/4 in copper lines
  • Wrot copper construction resists corrosion in potable water systems
  • Sweat cup connections create permanent leak-free joints
  • Rated for 408 psi at 100 degrees F operating pressure
  • Withstands temperatures up to 250 degrees F

Straight Reducing Copper Coupling

This straight reducing coupling joins 1 1/2 inch and 3/4 inch copper tubes using sweat connections. It is designed for potable water systems in residential and commercial plumbing installations. The fitting is made from wrot copper for reliable solder joints.

Pressure and Temperature Limits

The coupling withstands a maximum operating pressure of 408 psi at 100 degrees Fahrenheit. Its maximum operating temperature is 250 degrees Fahrenheit. These ratings define the safe envelope for hot and cold water distribution lines. Sweat joints must be properly prepared and soldered to maintain these limits.

Compatibility Check Before Ordering

Verify that your existing piping uses copper tube sizes of 1 1/2 inch and 3/4 inch with matching outer diameters. Ensure the system design stays within the stated pressure and temperature boundaries. This fitting is not suitable for applications requiring threaded, press-fit or push-to-connect ends.

How it compares

Measured against everything we stock in Hose Fittings, Adapters & Clamps, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 70% of the 2,955 comparable items (median $17.99).

Specifications

Product
Brand nameMUELLER INDUSTRIES

Questions about this item

Should I choose the 1 1/2 in by 3/4 in reducing coupling or a straight coupling of the same size?

The 1 1/2 in by 3/4 in reducing coupling joins two different copper tube sizes in one fitting, while a straight coupling of the same size would require both ends to match the same tube diameter.

What does the 408 psi rating mean once the coupling is installed in a potable water line?

At 100 degrees F the joint is rated for up to 408 psi, so typical residential or light commercial water pressures stay well within the design limit.

How does the sweat cup connection standard limit the maximum operating temperature in practice?

The sweat cup joints are rated to 250 degrees F, which caps the continuous service temperature regardless of the copper tube used.

More in Hose Fittings, Adapters & Clamps

Similar items