Waterway Plastics Main Drain Grate

Waterway Plastics Main Drain Grate

Brand Waterway Plastics is a trusted name in pool and spa hydraulics. The Part number 640-4727V identifies a gray, 12x12 square main drain grate with frame. It covers the main drain opening and provides a finished surface within the pool or spa floor while guiding water into the drainage path. This Product type grate is written for technicians and serious buyers who need precise, component-level information.

Key Features

• 12x12 square grate with frame for secure installation over the main drain opening.
• Gray finish provides a neutral floor appearance suitable for pool and spa environments.
• Frame serves as mounting surface and helps align the grate within the drain opening.
• Designed to sit in the main drain assembly, covering the opening while allowing water entry into the drainage path.
• Ordering references rely on a unique identifying code to distinguish this grate within Waterway's drain components.

Where This Part Is Used

Typically installed over the pool or spa's main drain opening as part of the floor drain assembly. It is commonly found in main drain bodies and drain assemblies that sit along the suction side of the circulation loop. The grate sits in the drain opening to allow water entry while acting as a protective surface. In the broader circulation system, you will encounter this grate near jet bodies, pump wet ends, return lines, and filter housings as part of the overall plumbing. It supports system operation by providing a durable cover that helps maintain water flow and prevents large debris from entering the drain path.

Why Choose Waterway Plastics

Waterway Plastics has a long-standing reputation for engineering consistency across its product families. The company emphasizes durable, serviceable components that technicians can rely on over the long term. The drain grate line shares the same mounting interfaces and finish options, reducing the need for multiple SKUs. Choosing Waterway Plastics means selecting a brand known for predictable fit, ease of maintenance, and ongoing availability of replacement parts. This combination of engineering discipline and practical design supports reliable, long-term serviceability in busy pool and spa environments.