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CMP Nova 2" White Gunite Main Drain w/ Extension Collar

Upgrade your gunite pool's circulation system with the CMP Nova™ 2" White Gunite Main Drain with Extension Collar. Featuring dual drain ports (bottom and side) and a 2" socket connection, this VGBA and ANSI/APSP-16 certified drain delivers reliable, high-flow performance while keeping your pool safe and code-compliant. The included extension collar allows for easy depth adjustment during installation, and the classic white Nova round cover blends seamlessly into any gunite pool finish.

  • 2" socket connection for easy plumbing integration
  • Dual drain ports (bottom and side) for flexible installation
  • Nova round cover with 14.57 sq. in. open area for strong water flow
  • Floor flow rated at 150 GPM; wall flow rated at 118-124 GPM
  • ANSI/APSP-16 and VGBA certified for safety compliance
Specifications

Specifications

CMP Nova™ 2" White Gunite Main Drain with Extension Collar (25516-500-000)

Built for residential gunite pools, the Nova™ main drain pairs a round, high-flow cover with dual drain ports and an included extension collar for flexible depth adjustment. The white finish and 2" socket connection make it a straightforward upgrade or replacement for gunite pool floor and wall drains.

BrandCMP (Custom Molded Products)
Product NameNova™ 2" White Gunite Main Drain with Extension Collar
Model / SKU25516-500-000
UPC849640006764
Product TypePool Main Drain / Concrete Debris Drain
ApplicationResidential Gunite Pools
ColorWhite
Comparable To640-2920
Connection Type2" Socket
Cover StyleNova round cover, 14.57 sq. in. open area
Drain PortsDual (Bottom and Side)
Max Flow Rate – Bottom Port147 GPM (Floor) / 120 GPM (Wall)
Max Flow Rate – Side Port147 GPM (Floor) / 124 GPM (Wall)
CertificationsANSI & APSP Certified, VGBA Compliant
ElectricalPassive component, no electrical parts
Material / Dimensions / WeightNot Provided – Verify with Manufacturer

Key Features & Performance

High-Flow Nova Cover: The round Nova cover provides 14.57 sq. in. of open area to support strong, efficient water circulation.
Dual Drain Ports: Bottom and side port options give installers flexibility depending on pool floor layout and plumbing routing.
Included Extension Collar: The extension collar allows the drain height to be customized to match the pool floor depth during installation.
Safety Certified: This drain is ANSI & APSP certified and designed to meet VGBA suction entrapment compliance standards.
Reliable Flow Performance: Rated up to 147 GPM floor flow and 120–124 GPM wall flow depending on the port configuration used.
Installation & Compatibility
  • Install Level and Flush: The main drain should be installed level and flush with the pool floor for optimal suction and safety compliance.
  • Adjust with the Extension Collar: Use the included extension collar to adjust drain height according to the pool floor depth.
  • Secure Socket Connections: Confirm all plumbing connections are tight and leak-free using compatible 2" socket fittings.
  • Confirm VGBA Compliance: Verify VGBA suction compliance during final pressure testing before returning the pool to service.
  • Bonding & Grounding: Although the drain itself has no electrical parts, proper bonding and grounding of all pool metal parts, including main drains, should follow NEC guidelines.
Manufacturer Disclaimer: Specifications listed here are compiled from CMP's official product documentation and authorized distributor listings. MSP Supply is not the manufacturer of this product; please contact CMP directly for the most current technical documentation.

User Safety Disclaimer: Proper bonding and grounding of all pool metal parts, including main drains, is critical for pool safety per NEC guidelines. VGBA suction compliance must be verified before use.

Installation and Use Disclaimer: This main drain should be installed level and flush with the pool floor, with the extension collar used to adjust for floor depth, and all plumbing connections confirmed tight and leak-free. Installation should be performed by a qualified pool professional in accordance with local codes.

Compatibility Disclaimer: This drain uses a 2" socket connection and is listed as comparable to part number 640-2920; buyers should verify fit and compatibility with their existing plumbing and drain system before installation.

Liability Disclaimer: MSP Supply is not responsible for damage, injury, or code violations resulting from improper installation, modification, or use of this product outside of manufacturer instructions.

California Proposition 65 Notice: Some pool equipment and components may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Please refer to CMP's Prop 65 compliance information or product packaging for details.

CMP

25516-500-000

CMP Nova 2" White Gunite Main Drain w/ Extension Collar

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