American Granby SCH 40 PVC Coupling Slip x Slip 3/4 inch OEM pool equipment part
American Granby

3/4 in PVC Female Adapter Slip x FNPT

SKU: 435-007 UPC: 054211166666
$1.29 $1.98you save $0.69
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Quick Facts
3/4-Inch Adapter
Slip x Female Thread
Schedule 40 PVC
Pool Plumbing Transition
SKU 435-007
Key Benefits +

Transitions compatible PVC plumbing from slip to female thread

Designed for 3/4-inch Schedule 40 PVC applications

Connects compatible PVC pipe to a male-threaded fitting

Supports pool plumbing repairs and equipment connections

SKU 435-007 helps confirm product identification

Defined size and connection types help prevent ordering errors

How to Use +
1 Confirm that the plumbing uses compatible 3/4-inch Schedule 40 PVC and that a slip x female thread transition is required. Shut down the circulation system and make sure the plumbing is not pressurized before beginning work. Join each side using methods and products approved for the corresponding slip and threaded connections. Do not force or overtighten the threaded connection. Follow all fitting, joining-product, and equipment manufacturer instructions.
Specifications +

Brand: American Granby

Product Type: PVC Slip-to-Female-Thread Adapter

SKU: 435-007

UPC / GTIN: 054211166666

Nominal Pipe Size: 3/4 inch

Pipe Schedule: Schedule 40

Connection Type: Slip x Female Thread

Material: PVC

Application: Pool plumbing transitions to compatible threaded fittings

Category: Adapters in Pipe Adapters & Bushings

Buy with Confidence from Benchmark Pool Supply +


Benchmark Pool Supply helps customers identify plumbing fittings by pipe size, schedule, connection style, and manufacturer SKU before ordering. Our practical pool-equipment knowledge can help you select the correct adapter and avoid mismatched plumbing connections.

Buy with Confidence from Benchmark Pool Supply

  • Trusted pool professionals
  • 100% Genuine Manufacturer Parts Guaranteed
  • Fast Shipping
30-Day Hassle-Free Returns
Expert Product Support
Full Product Description +

Transition points between glued PVC pipe and threaded components are common failure spots in pool plumbing when the wrong fitting is used. The American Granby Schedule 40 3/4” PVC Coupling (Slip x FPT)—also referred to as a female adapter—is designed to create a secure, reliable transition from 3/4” Schedule 40 PVC pipe to 3/4” male pipe thread (MPT) connections.

This fitting is commonly used in pool and spa plumbing systems where valves, sensors, pressure fittings, chemical feeders, or equipment ports require a threaded connection. Manufactured specifically for pool environments, it provides proper thread engagement, chemical resistance, and long-term durability under constant circulation pressure.

This is not a generic plumbing adapter—it is purpose-built for pool system transitions.

Why Slip x FPT Adapters Matter in Pool Plumbing

Many pool components require threaded connections, while most plumbing runs are glued PVC. A proper transition fitting prevents leaks, cracked fittings, and stripped threads.

The American Granby 3/4” Slip x FPT coupling is used to:

  • Transition from glued PVC pipe to threaded components

  • Connect valves, sensors, and accessories

  • Install pressure gauges, injectors, and chemical feeders

  • Provide serviceable threaded connection points

Using a true Schedule 40 female adapter ensures correct thread depth and secure sealing.

Slip x Female Thread Connections Explained

This fitting features:

  • Slip (socket) connection on one end for solvent-welding 3/4” PVC pipe

  • Female Pipe Thread (FPT) on the other end for accepting 3/4” male threaded fittings

The threaded side allows for removable components, while the slip side provides a permanent glued connection.

Schedule 40 PVC Built for Pool & Spa Systems

Manufactured from rigid Schedule 40 PVC, this adapter is pressure-rated for residential and light commercial pool systems. It is fully compatible with standard 3/4” Schedule 40 PVC pipe and fittings used throughout pool plumbing.

The material resists:

  • Chlorinated and chemically treated water

  • Temperature fluctuations

  • Cracking and deformation under pressure

  • Long-term outdoor and underground exposure

This ensures dependable performance in demanding pool environments.

Common Pool & Spa Applications

The American Granby SCH 40 3/4” PVC Coupling SL x FPT is commonly used for:

  • Chemical feeder and injector connections

  • Pressure gauges and monitoring ports

  • Valves and serviceable fittings

  • Automation sensors and probes

  • Equipment pad accessory plumbing

Anywhere a transition from glued pipe to threaded components is required, this fitting is the correct solution.

Trusted by Pool Service Professionals

Threaded transitions are one of the most common sources of pool plumbing leaks when inferior fittings are used. Pool professionals trust American Granby adapters for consistent thread quality and reliable solvent-weld sockets.

American Granby fittings are trusted because they provide:

  • Accurate thread dimensions for proper sealing

  • Strong, durable solvent-weld joints

  • Proven reliability in real-world pool systems

This adapter is a standard component in professional pool plumbing installations and repairs.

Specifications

Specification Details
Brand American Granby
Product Type PVC Coupling / Female Adapter
Pipe Size 3/4”
Schedule Schedule 40
Connection Type Slip x FPT
Thread Type Female Pipe Thread
Material Rigid PVC
Application Pool & Spa Plumbing Systems
Installation Method Solvent Weld / Threaded
SKU 435-007
UPC 054211166666

Installation Notes

  • Designed for use with 3/4” Schedule 40 PVC pipe

  • Use PVC primer and cement on the slip side only

  • Use PTFE thread tape or approved thread sealant on threaded connections

  • Do not overtighten threaded fittings to avoid cracking

Proper installation ensures a leak-free, serviceable connection.

Buy with Confidence from Benchmark Pool Supply

When you purchase the American Granby SCH 40 3/4” PVC Coupling SL x FPT from Benchmark Pool Supply, you’re buying professional-grade pool plumbing components selected for real-world service conditions.

You receive:

  • Genuine American Granby fittings

  • Parts intended specifically for pool and spa systems

  • Fast shipping from a knowledgeable pool supply team

  • Support from professionals who understand pool plumbing

This is the same type of adapter trusted by pool builders and service technicians—not generic plumbing substitutes.
3/4 in PVC Female Adapter Slip x FNPT
$1.29 $1.98

Frequently Asked Questions

What is the American Granby 435-007 fitting?
It is a 3/4-inch Schedule 40 PVC adapter with a slip connection on one side and a female threaded connection on the other.
Will this adapter fit my pool plumbing?
It is suitable when the plumbing requires compatible 3/4-inch Schedule 40 PVC and a slip x female thread connection. Verify both connection types before ordering.
Can this fitting connect PVC pipe to threaded pool equipment?
It may be used for that purpose when the equipment has a compatible 3/4-inch male-threaded connection. Confirm the equipment connection size and thread type before installation.
What should I verify before installing this adapter?
Verify the 3/4-inch nominal size, Schedule 40 specification, slip x female thread configuration, and SKU 435-007 before installation.