Waterway Plastics Light Back Cap Replacement

Waterway Plastics offers the Light Back Cap Replacement for pool lighting systems. The part number 611-4390 is included to identify this replacement cap used with Waterway lighting. This back cap fits the rear of the light housing and helps seal the assembly, protecting internal components and preserving brightness. Technicians and pool professionals rely on this replacement to support dependable, long-term operation of underwater lighting systems.

Key Features

• Durable construction for long-term service in outdoor pool environments.
• UV-resistant finish protects against sun damage and fading.
• Specifically designed to fit Waterway pool lighting systems for seamless installation.
• Back cap design supports a secure seal at the rear of the light housing, aiding moisture protection.
• Part number 611-4390 for ordering and inventory.

Where This Part Is Used

Typically installed inside the pool light housing, the back cap is part of the light assembly. In many installations it's adjacent to skimmer assemblies and return lines where the fixture mounts in the wall. The back cap helps seal the light housing and protects electrical connections near pump wet ends and jet bodies. It is also seen with filter housings where light fixtures reside in the circulation path. This placement supports reliable operation by keeping moisture out and preserving brightness.

Why Choose Waterway Plastics

Waterway Plastics has long stood as a trusted name in pool and spa hardware. The company provides engineering consistency across its product line, enabling service technicians to stock a familiar back cap replacement that fits a range of Waterway lighting fixtures. This commitment to interchangeability supports long-term serviceability by reducing downtime during maintenance. Known for durability and reliability, Waterway Plastics parts are designed to withstand outdoor pool environments. This history of dependable components underpins confident, professional installations.