Waterway PVC Inside Coupler 419-4120 – 2" Internal Slip
White Goods
Waterway 2" PVC Inside Coupler
Compact PVC inside coupler designed to internally join two 2-inch pipes while maintaining the original outside pipe diameter in pool, spa, and plumbing systems.
Warranty Information
1-Year Manufacturer Warranty
Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.
Waterway PVC Inside Coupler (419-4120) is designed to join two sections of 2-inch PVC pipe using an internal slip connection. Unlike a standard coupling, this fitting installs inside the pipe, making it an excellent solution where maintaining the existing outside pipe diameter is important.
Manufactured from durable PVC, this compact fitting is ideal for plumbing repairs, equipment pad modifications, and tight installation spaces where conventional couplings may not fit. It provides dependable performance for pool, spa, water feature, and general water circulation systems.
Key Features
Fits inside two sections of compatible 2" PVC pipe for compact installations.
Preserves the existing outside pipe diameter where space is limited.
Designed for long-lasting performance in pool and spa plumbing systems.
Excellent for repairs where a standard coupling cannot be installed.
Will not rust and is suitable for continuous water exposure.
Ideal for pool, spa, irrigation, and water circulation systems.
Applications
- Swimming pool circulation systems
- Spa plumbing installations
- Equipment pad plumbing repairs
- Water feature plumbing systems
- Irrigation and water transfer applications
- Compact plumbing repairs where maintaining pipe diameter is important
Use appropriate PVC primer and solvent cement during installation. Always follow local plumbing codes and manufacturer installation recommendations.
Specifications
| SKU | 419-4120 |
| Brand | Waterway |
| Product Type | PVC Inside Coupler |
| Connection Type | Inside Slip (Internal Coupling) |
| Pipe Size | 2 Inches |
| Material | PVC |
| Colour | White |
| Maximum Temperature | 140°F (60°C) |
| Installation Method | Internal Solvent Weld |
| Warranty | 1-Year Manufacturer Warranty |
Frequently Asked Questions
An inside coupler joins two sections of PVC pipe from the inside, making it ideal when space is limited or when maintaining the original outside pipe diameter is important.
Yes. It is commonly used for pool equipment repairs, spa plumbing, water features, and other Schedule 40 PVC plumbing applications.
This inside coupler is designed for compatible 2-inch PVC pipe using an internal slip connection.
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