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Transparent copper reducing adapter with male threaded end

Legend Valve

Legend Valve 450-793 1-1/2" x 1" C x M Adapter bathware

SKU CH-MW1X-XE15Z

Copper reducing adapter connects 1-1/2 inch to 1 inch pipe with male NPT threads

  • Size1-1/2 in × 1 in
  • Product colorTransparent
  • Product typePipes, Valves & Fittings
  • Reduces pipe diameter from 1-1/2" to 1" for flexible plumbing connections
  • Copper construction resists corrosion and ensures long-term durability
  • Male NPT threads provide secure, leak-resistant joints
  • Transparent finish allows quick visual inspection of flow
  • Complies with California Proposition 65 chemical disclosure requirements

Copper Reducing Adapter

The Legend Valve 450-793 is a copper reducing adapter that connects a 1-1/2 inch copper pipe to a 1 inch male NPT thread. It serves plumbers and maintenance technicians who need a reliable transition between different pipe diameters in residential or commercial water systems. The transparent finish allows visual confirmation of solder flow during installation.

Thermals Noise Power

As a passive copper fitting the adapter generates no heat, produces no noise and draws no power during normal operation. Its only thermal consideration is the brief application of a torch when sweating the copper end, after which the joint returns to ambient water temperature. No electrical supply or active cooling is involved.

Sustained Load Behavior

Under continuous water pressure the copper body and threaded connection maintain structural integrity without deformation or leakage. The material resists corrosion from potable water and handles thermal cycling from hot and cold supply lines. There are no moving parts to wear, so performance remains consistent over the service life of the plumbing system.

How it compares

Measured against everything we stock in Bath Accessories & Soap Dispensers, at today’s prices. Recalculated every night.

Price $31.99
Cheaper than about 58% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameLEGEND VALVE
Product colorTransparent
Product typePipes, Valves & Fittings
Size & build
Size1-1/2 in × 1 in

Questions about this item

How do I solder the 1-1/2" copper end of this adapter correctly?

Clean the pipe and fitting, apply flux, heat the joint evenly with a torch, then feed solder until it flows around the full circumference; the common mistake is overheating the copper before adding solder, which burns off the flux and prevents a proper seal.

Will the threads on the 1" male NPT side need re-taping or replacement over time?

The brass threads themselves do not wear out, but the thread sealant or PTFE tape should be refreshed whenever the joint is broken for service to maintain a leak-free connection.

At what temperature does the Prop 65-listed material become a concern during installation?

The Proposition 65 warning covers chemicals present in the alloy; normal soldering temperatures do not release them in hazardous amounts, but avoid overheating the fitting beyond what is needed for a sound joint.

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