Waterway 640-2310V 8" Anti-Vortex Main Drain Cover & Frame Kit (White)
The Waterway 640-2310V is an 8" anti-vortex suction outlet (main drain) cover and frame kit for pool applications. It’s designed to provide a safer, anti-vortex flow pattern while maintaining strong circulation through the suction outlet. This kit is commonly used as a replacement when an existing drain cover is cracked, faded, missing, or due for a code-driven update.
Key Details
- Manufacturer: Waterway
- Part Number: 640-2310V
- Color: White
- Type: Anti-vortex main drain / suction outlet cover with frame
- Includes: Cover + frame (collar) + mounting screws (as supplied)
- Application: Pool suction outlet / main drain (floor or wall, model-dependent)
Common Specifications
- Total Open Area: 11.83 sq in (approx.)
- Frame Size: 9" round (approx.)
- Floor Flow Rating: 100 GPM (typical listing)
- Wall Flow Rating: 64 GPM (typical listing)
- Flow @ 1.5 ft/sec: 55 GPM (typical listing)
Fitment Notes
- Match by part number, cover/frame diameter, and screw pattern before ordering.
- If your pool has dual drains (two suction outlets tied together), confirm system flow requirements and cover ratings for your specific configuration.
- Do not substitute drain covers across brands/models unless the cover is explicitly approved for your drain body.
What This Kit Does
- Provides a secure, properly seated cover to help reduce vortex formation at the suction outlet.
- Helps keep debris out of the drain opening while allowing consistent water flow.
- Restores a tight, stable fit when the original cover or frame is damaged or no longer holds screws securely.
When to Replace
- Cover is cracked, warped, brittle, or no longer sits flat
- Frame/collar is damaged or stripped where the screws tighten
- Cover is loose, rattling, or missing hardware
- Renovation/service interval requires replacement of suction outlet covers
Installation Notes
- Turn the pump off before servicing any suction outlet cover.
- Clean the seating surface so the cover sits flush with no debris trapped underneath.
- Use the provided screws (or the correct specified fasteners) and tighten evenly—do not overtighten.
- After installation, confirm the cover is secure and cannot be rotated or rocked by hand.
Maintenance Tip
Inspect suction outlet covers at least once per season for cracks, UV brittleness, or loosening screws. Replace immediately if damaged or if the cover no longer sits flat—small defects can worsen quickly and affect safety and performance.
Related Products (Aqua Pool Supply)
Hours Of Operation:
Monday - Friday: 7:00 am to 5:00 pm Phoenix Time
Saturday: 8:00 am to 2:00 pm
Sunday: Closed
- We do not ship on Saturday or Sunday.
- Orders totaling more than $300 will require signature confirmation upon delivery.
- We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
- Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
- Expedited shipping options are available at checkout.
Return Policy:
- Products that are received damaged will receive a refund in store credit.
- Most products are eligible for return within 30 days of receipt, except where noted below.
- To initiate a return, please complete an RMA form prior to sending your item back.
- Original shipping costs are non-refundable and will be deducted from the return credit.
- Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
- Some returns will be charged an automatic 15% restocking fee.
- We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
- Please complete the return form to receive your RMA number and return shipping label.
- Chemical products are not eligible for return under any circumstances.
- The Pentair Colorsync 618031 is not eligible for return.
- Pool cleaners are not eligible for return.
- Opened seals and o-rings are not eligible for return.
- Capacitors are not eligible for return.
- Plastic popup tools are not eligible for return.
- Automation components and circuit boards are not eligible for return.
- If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
- Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
