Main Drains & Suction Outlets

A.S.A. Mfg. Inc. heavy duty fiberglass sumps are "shovel ready" solutions for your pool or fountain drain design. Installers save time and money when they eliminate "forming and pouring" with these fiberglass sump designs.
Stronger and more reliable than heat-welded PVC, these sumps are fabricated from premium fiberglass and resin for maximum structural strength. Your customers can expect long life and low maintenance -- no cracking or painting!

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• Replaces ALL existing large area grates • Measured in one inch increments — lengthen, widen or narrow from any direction • Permanent marking plate attached with flow rates established using ASME’s formula for “Q” • Ten-year warranty Call your Baystate Branch for more information. Learn More

Eureka's custom made, stainless steel, unblockable drain covers enhance the safety main drains and sumps in swimming pools and feature gradually sloped sides and a solid top surface. These covers prevent many objects from being drawn into the line. Most importantly, they help ensure that swimmers do not become trapped below the pool's surface by the powerful suction generated by the recirculation system.

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Frames and Grates from Waterway available in both 9" x 9" & 12" x 12" sizes.

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Hayward’s new Low Velocity suction outlets are specifically designed for applications with requirements limiting the maximum flow velocity to 1.5 feet per second. In addition, Hayward’s High Flow covers have some of the industry’s highest ASME approved flow rates. Each size and flow design cover retrofit to existing Hayward frames and are designed for an extensive 7 year life span. All Hayward WG Series suction outlets and replacement covers are VGB compliant and are tested to ASME A112 19.8b-2009 and ANSI/APSP-16 standards as well as meeting CPSC requirements. Learn More

For use on residential and commercial pool, spa or water feature applications with various plumbing and color considerations. These suction outlets are VBG compliant, tested to ANSI/APSP-16 standards and meet all CPSC requirements.

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For use on residential and commercial pool, spa or water feature applications with various plumbing and color considerations. These suction outlet covers and frames are VBG compliant, tested to ANSI/APSP-16 standards and meet all CPSC requirements.

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For residential and commercial concrete pools, Hayward square drain covers are available in a wide range of sizes and flow designs to satisfy any installation requirement. Whether the application demands frames and covers for new construction or replacement cover assemblies for existing installations, Hayward suction outlets set the standard for quality and value. Learn More

Equalizes pressure between the water beneath the pool and water inside it.
One way valve allows water into pool
Brass and ABS valves available from multiple manufacturers.

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Lawson Aquatics offers standard-size fiberglass main drain sumps with unblockable PVC grating for areas 18″ x 36″ and larger.
Each 18″ x 18″ grate tile offers a 54% open area with the highest flow rate of 1040 GPM (SuperFlow™). Flexible plumbing locations and sizes configured and customized to your piping schematics. Connections can either be threaded, flanged or couplings.

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StarGuard Main Drains comply with provisions of the ANSI/ASME A112.19.8-2007 standard and the Virginia Graeme Baker Pool and Spa Safety Act. High quality StarGuard Main Drains are available in white, black, gray, and dark gray as well as a variety of configurations to fit any residential inground pool or spa installation. Review the specifications to find the right StarGuard model for your application. StarGuard Main Drains have an industry-leading 15.35 square inches of open area for water flow. If you are in an area where water velocity through the grate is limited to 1.5 feet/second, the StarGuard covers allow flow rates up to 72 GPM. Learn More

Custom Made stainless steel products that arre engineered to meet specific flow requirements.
Eureka's main drain assemblies drop quickly into place and provide a positive, watertight seal.

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Only Lawson Aquatics, Inc. has SuperFlow™ Frame & Grates ‹ NSF LISTED and VGB-2008-certified unblockable main drain grates with a “super flow” rate and a unique top profile design that provides extreme comfort under foot. Easy to install and no special tools or complicated retrofitting required.

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