Lead-Free G Thread (Metric BSPP) Female to NPT Male Adapter (1 1/2" x 1 1/2")

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Cascada Showers

Pipe Fittings

38 In Stock

  • ✅ G Thread is a parallel (straight) thread, also known as BSPP (British Standard Pipe Parallel). It has a constant diameter, unlike the NPT thread, which is slightly tapered. Washers are not required for G Thread connections, but we are including one in the package for your convenience.
  • ✅ G 1 1/2" Pipe fittings female Thread Water Pipe to 1 1/2" NPT Adapter
  • ✅ Metric BSPP 1 1/2" (G) female to NPT 1 1/2" male pipe fitting converter (Brass)
  • ✅ Lead - Free Adapter. Material: Brass
  • ✅ Size : 1 1/2" Female G ,1 1/2" Male NPT. Lifetime Warranty

Product Description:

The Lead-Free G Thread (Metric BSPP) Female to NPT Male Adapter (1 1/2" x 1 1/2") by Cascada Showers is a high-quality fitting that allows you to connect a G thread connector to an NPT connector. Made of durable lead-free brass, this adapter is built to last and is easy to install.

G thread connections are parallel (straight) threads, while NPT connections are tapered. This adapter allows you to convert between the two types of connections, making it a versatile solution for a variety of plumbing applications.

This adapter is perfect for use in residential and commercial plumbing systems. It is also lead-free, making it safe for use with drinking water.


  • Lead-free brass construction
  • Durable and built to last
  • Easy to install
  • Converts between G thread and NPT connections
  • Safe for use with drinking water


  • Residential and commercial plumbing systems
  • Drinking water systems
  • Irrigation systems
  • Industrial plumbing systems


  • Connect G thread connectors to NPT connectors
  • Durable and long-lasting
  • Easy to install
  • Safe for use with drinking water

Package: 1 piece of 1 1/2" FG to 1 1/2" MNPT Adapters.

Technical Details

  • Manufacturer Part Number (MPN): CSSL56162350


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Customer Reviews

Based on 3 reviews Write a review

Customer Reviews

Based on 4 reviews
Hard to find. Makes the job.

Couldn't buy these locally. They work perfect!

Jeff S.
Nothing negative

I bought some, they served that purpose. Good quality machined brass and worked as good as you could expect!

Richard S.
Fast shipping,easy to use.

Had some repairs to make so these worked as they should.

On time as described

They worked great on my installation.