Waterway 9" x 9" Grate & Frame, Square, White | 640-4790V
Waterway
SKU: WWP6404790V
Waterway 640-4790V Grate & Frame – 9″ × 9″
The Waterway 640-4790V is a square pool main drain or suction outlet cover featuring a 9″ × 9″ grate mounted in a 10.375″ × 10.375″ frame. It is designed for in-ground pool systems requiring a durable, high-flow drain cover with a clean, finished look.
Key Features
- Square grate and frame sized for 9″ × 9″ suction outlets.
- High open-area design to support strong flow rates in residential or commercial pools.
- Durable construction suitable for gunite, concrete and similar in-ground pool structures.
- OEM-style replacement for maintaining safety and proper water movement.
Technical Specifications
- Part Number: 640-4790V
- Grate Opening Size: 9″ × 9″
- Frame Dimension: 10.375″ × 10.375″
- Open Area: Approximately 43.6 square inches
- Application: Main drain or suction outlet cover for in-ground pool systems
Installation & Compatibility Notes
Shut off the pool pump and remove the existing cover. Inspect the mounting area for clean and level seating. Position the new frame, secure it with the appropriate hardware, and snap or screw the grate into place. Confirm that the cover sits flush and has no play. Restore circulation and verify proper operation.
Maintenance Tips
- Check the grate yearly for cracks, deformation or loose hardware.
- Ensure mounting screws remain tight and free of corrosion.
- Replace immediately if damage is found to maintain safety and flow performance.
Why Choose This Drain Cover?
The Waterway 640-4790V provides a reliable and durable replacement for square main drain openings, delivering strong flow capacity and long-term durability. Its straightforward installation and sturdy design make it a dependable choice for pool professionals and homeowners.
Hours Of Operation:
Monday - Friday: 8:00 am to 4:00 pm Phoenix Time
Saturday and Sunday: Closed
- Orders costing more than $300 WILL be required to have signature confirmation upon delivery.
- Handling time is typically only 1 day.
- Any item ordered after 1pm Phoenix time, may not ship same-day.
- Call us if you require expedited shipping and we can give you quotes based on your needs.
Return Policy:
- All products, except as noted below, are eligible for return up to 30 days after receipt of item.
- For returns, an RMA form must be filled out HERE or customers can call for additional help.
- Shipping costs will be deducted from all returned items.
- Any item that is missing accessories, original packaging, or is not returned in the same condition that it was received in, may be subject to a re-stocking fee up to 100% based on the condition we receive it in.
- Items broken, damaged, or inoperable due to installer error will not be refunded.
- Fill out the return form or give us a call to obtain an RMA and return shipping label.
- There are no returns on the Pentair Colorsync 618031
- No returns on pool cleaners.
- No returns on opened seals and o-rings.
- No returns on capacitors.
- If a light is returned because it "doesn't work" and it tests fine, the cost to ship and a re-stocking fee will be deducted from the refund.
- All products denied upon arrival at customers house WILL be charged the cost to ship.
- Visa Gift Card Promotions: Gift cards are sent within 14 days of the order. When accepting the Visa Gift card, you agree that if your order is returned or refunded, this amount will be deducted from the refunded amount. All Visa Gift cards are sent via email in an E-Gift Card format and are non refundable.
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