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Small copper adapter with threaded and smooth ends, transparent finish

Legend Valve

Legend Valve 450-815 1/2" x 3/4" FTG x MIP Adapter bathware

SKU CH-JN8A-3E9PX

Connects 1/2" copper tubing to 3/4" male pipe threads for bath plumbing

  • Size1/2 in × 3/4 in
  • Product colorTransparent
  • Product typePipes, Valves & Fittings
  • Reducing adapter connects 1/2" fitting to 3/4" MIP thread
  • Copper construction resists corrosion in potable water systems
  • Fitting-by-MIP design allows direct solder joint to threaded pipe
  • Transparent finish simplifies visual inspection of solder flow
  • Meets California Proposition 65 chemical disclosure requirements

Legend Valve 450-815 Adapter

This Legend Valve adapter connects a 1/2" x 3/4" copper fitting to a male NPT thread. It suits plumbers and DIYers who need a reducing Ftg x MNPT transition in residential water lines. The transparent finish allows visual confirmation of solder flow or thread engagement during assembly. California Proposition 65 warnings apply for cancer and reproductive harm.

Installation notes

The fitting end slides over copper tube for soldering while the MNPT end threads into a female port. Clean and flux the copper joint thoroughly to avoid leaks. Over-tightening the threaded side can crack the adapter body or strip the threads. Ensure the system is depressurised before cutting into existing pipework.

Reducing Ftg x MNPT specification

The single deciding specification is the reducing Ftg x MNPT configuration with 1/2" x 3/4" (ID) and 5/8 x 3/4" (OD) dimensions. This determines whether the adapter matches your copper tube and threaded port sizes. Buyers who need a straight coupling or a different thread standard cannot use this part.

How it compares

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

Price $20.99
Cheaper than about 70% of the 1,499 comparable items (median $39.99).

Specifications

Product
Brand nameLEGEND VALVE
Product colorTransparent
Product typePipes, Valves & Fittings
Size & build
Size1/2 in × 3/4 in

Questions about this item

How can I verify the Legend Valve 450-815 adapter is seated correctly after installation?

Check for a leak-free joint at the 1/2" copper fitting end and the 3/4" MIP threads; a dry test confirms the reducing Ftg x MNPT connection is working as intended.

What comes with the Legend Valve 450-815 and what must I source separately?

The box contains the single transparent copper Ftg x MNPT adapter; you will need pipe thread sealant or tape and the matching 1/2" copper pipe plus 3/4" MIP fitting for the installation.

Which Legend Valve 450-815 size should I choose for my project?

Select this 450-815 model when you need a reducing adapter that joins a 1/2" copper fitting (5/8" OD) to a 3/4" male NPT thread.

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