Main Drain SV-1031&SV-1032 for Concrete Pool

Pool Spa Supply Main Drain SV-1031&SV-1032 for Concrete Pool

The pool spa supply square Main Drain SV-1031&SV-1032 for Concrete Pool made of high quality ABS material, temperature-resistant, sturdy and durable. The product is with 9” x9” and 12”x 12” size for option.

Purpose of the Concrete Pool Main Drain Cover

The main drain cover in a concrete swimming pool serves critical safety, functional, and structural roles essential for pool integrity and swimmer protection.

1. Safety Assurance
Modern drain covers are engineered to prevent suction entrapment, a life-threatening hazard where swimmers can become stuck to an uncovered or faulty drain. Compliant covers feature anti-entrapment grates that disperse suction forces, meet strict standards (like the U.S. VGB Act), and include tamper-proof fasteners. Their design ensures hair, limbs, or bathing suits cannot be trapped by the pump’s vacuum force.

2. Hydraulic Efficiency
Positioned at the pool’s deepest point, the drain cover facilitates bottom water circulation. It draws debris, sediment, and warm water layers into the filtration system, working with skimmers to achieve uniform cleaning and chemical distribution. This prevents "dead zones" where contaminants accumulate.

3. Debris & Damage Prevention
The cover acts as a barrier against large objects (leaves, toys) entering plumbing, avoiding pipe blockages or pump damage. Its sturdy construction also protects the underlying drain structure from impact, UV degradation, or chemical corrosion.

4. Structural Integration
In concrete pools, the cover seals the drain pipe interface with the pool shell, preventing leaks that could erode surrounding concrete. Its anchoring system must withstand decades of hydraulic pressure and environmental stress without compromising the pool’s watertight integrity.

5. Compliance & Maintenance
Regulations mandate certified covers with specified flow rates (GPM). Regular inspections ensure grates remain intact and unblocked. Cracked or outdated covers must be replaced immediately to maintain safety and efficiency.

Youtube Video：Main Drain SV-1031&SV-1032 for Vinyl Pool

Other Models：Swimming Pool Fittings

Color: White Color

Material: ABS

Product Size: 9” x9”, 12”x 12”

Piece per carton: 9” x9”: 20 pieces per carton ; 12”x 12”: 15 pieces per carton