Maytronics Dolphin Non Return Flap 9980891
Maytronics
SKU: 9980891
Maytronics Dolphin 9980891 Non Return Flap for use with Supreme M4 & M5, Liberty, Wave 65, Wave 90, Bio Pvc, C3, C4, M400, Triton Plus, Dyn Oasis Z5, Dyn C4
Maytronics 9980891 is a replacement non-return flap for specified Dolphin robotic cleaners. It services the matching debris-entry flap in the filtration assembly.
The correct flap helps retain the intended inlet arrangement. Match the part number to the exact cleaner revision and inspect the mounting area during replacement.
Product Features
- Maytronics robotic-cleaner non-return flap
- Part number / listing SKU: 9980891
- Component: Non-return flap
Product Details
| Brand | Maytronics |
| Part Number / SKU | 9980891 |
| Product Type | Robotic-cleaner non-return flap |
| Component | Non-return flap |
Compatibility
- Specified Supreme M4/M5, Liberty, Wave 65/90, M400, Triton Plus, and other assemblies calling for 9980891
- Confirm the exact model and part number before ordering.
Common Uses
- Replacing a damaged inlet flap
- Servicing the filter-entry assembly
Installation Notes
- Disconnect robotic-cleaner power or shut off the pool pump for suction/pressure cleaners before service.
- Use the exact cleaner diagram to identify component position and assembly order.
- Check moving parts, seals, and attachments before restarting the cleaner.
Related Products
Check each related listing for its own fit and specifications before selecting additional products.
Maintenance Tips
- Rinse and inspect the cleaner after use.
- Keep wheels, brushes, tracks, and debris passages free of obstructions as applicable.
- Replace cracked or excessively worn components with matching parts.
Questions about returns? View our return policy.
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.
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