935-125 | 1.25" Copper to 1.5" PVC Compression Adapter

The 935‑125 adapter offers a dependable and precise solution for transitioning from 1.25″ copper pipe to 1.5″ PVC in pool, spa, and irrigation systems. This specially engineered, compression-style fitting delivers a secure, leak-resistant seal without the need for soldering or solvent-welding on the copper side—simplifying retrofits or repairs. On the PVC side, it uses standard solvent-weld connections for reliable installation. Crafted from durable materials resistant to corrosion and pool chemicals, this adapter ensures long-term performance and reduces maintenance concerns. Ideal for professional installers, contractors, and DIY enthusiasts, the 935‑125 adapter enables seamless joins between copper and PVC piping while maintaining system integrity.

Highlights

• Transitions 1.25″ Copper to 1.5″ PVC: Specially designed adapter enables secure connections between copper and PVC piping in pool, spa, and irrigation systems.

• No Soldering Required: Compression-style copper end eliminates the need for soldering, making retrofits and repairs faster and more convenient.

• Standard Solvent-Weld PVC Connection: PVC side installs using traditional solvent-weld methods for a strong, leak-resistant bond.

• Durable & Corrosion-Resistant Materials: Built to withstand harsh environments and pool chemicals, ensuring long-lasting performance with minimal maintenance.

• Ideal for Pros and DIYers: A go-to solution for installers and homeowners looking for reliable copper-to-PVC transitions without complex tools or procedures.

Includes

• (1) Compression Adapter

Additional Info

Need help determining if the 935-125 compression adapter is the right fit for your pool, spa, or irrigation project? This section covers installation guidance, fitment checks, and troubleshooting tips so you can walk in and get the exact part you need.

Installing the 935-125 Compression Adapter

This adapter allows you to connect 1.25-inch copper pipe to 1.5-inch PVC without soldering. Understanding the proper assembly steps will help you achieve a secure, long-lasting seal.

How to install a 935-125 adapter without soldering the copper side

Does the 935-125 fit standard schedule 40 PVC pipe?

Can I buy the 935-125 adapter in store for same-day use?

Tools needed for installing the 935-125 compression fitting

Best practices for sealing PVC joints with the 935-125 adapter

Dealing with Fitment or Leak Issues

Even with a precision fitting, leaks can occur if surfaces are not prepared correctly. Knowing how to diagnose and resolve these problems will save you time.

Why does my 935-125 adapter leak after installation?

Tips for tightening the compression side without damaging copper pipe

How to check alignment between copper and PVC before final tightening

Can temperature changes cause leaks in a 935-125 connection?

Ways to prevent corrosion at the copper-to-PVC transition

Choosing the Right Adapter In Store

Finding the correct size and style is crucial to ensure compatibility. This section explains how to confirm the 935-125 is the correct match for your setup.

How to identify 1.25-inch copper pipe in my existing system

Is the 935-125 adapter available locally near me?

Checking part numbers before walking into the store

How to confirm PVC sizing for the 935-125 adapter

Differences between compression and threaded copper adapters