Maytronics
Maytronics Dolphin Filter Door Assembly 9991047-ASSY – Cartridge Door Kit
Maytronics Dolphin Filter Door Assembly
Replacement cartridge door kit designed for confirmed compatible Dolphin robotic pool cleaners.
Warranty Information
1-Year Manufacturer Warranty
Ultimate Pools is your first point of contact for compatibility verification, installation guidance, and warranty support.
The Maytronics Dolphin Filter Door Assembly (9991047-ASSY) is a replacement cartridge door kit designed for select Dolphin robotic pool cleaners. It closes the filter compartment and helps keep the cleaner’s filtration components properly positioned during operation.
This assembly is intended to replace a worn, damaged or missing filter door on a confirmed compatible cleaner. Replacing the damaged component helps restore proper filter compartment closure and debris containment without replacing the complete robotic cleaner.
Key Features
Provides the replacement door assembly used to close the cleaner’s filter compartment.
Helps keep the filtration components properly positioned during cleaner operation.
Proper filter door closure helps keep collected debris inside the filtration compartment.
Replaces a worn, damaged or missing filter compartment door.
Designed for the exact Dolphin cleaner models and product numbers listed below.
Helps restore the intended fit and function of the cleaner’s cartridge compartment.
Compatibility & Fitment
Compatible with the following Dolphin robotic pool cleaner models and product numbers:
- Dolphin M400 CB: 99991043-US, 99991043-USDEMO
- Dolphin M400 BLE CB: 99991046-USBLE, 99991046-USBLDE
- Dolphin M400 IoT CB: 99991046-USI, 99991046-USIDE, 99991053-USI
- Dolphin M500: 99991089-US
- Dolphin M500 BLE CB: 99991089-USBLE, 99991089-USBLDE
- Dolphin Supreme M4: 99991013-US, 99991013-USDEMO
- Dolphin Supreme M5: 99991086-US
- Dolphin Supreme M5 Liberty PVC: 99994101-US
- Dolphin Wave 90i Bag: 99996891-US
Compatibility may vary by production year, configuration and installation. Verify your exact model and part number before ordering.
Applications
- Replacing a damaged filter compartment door
- Replacing a worn or missing cartridge door assembly
- Restoring proper filter compartment closure
- Supporting debris containment during cleaning
- Routine Dolphin robotic cleaner maintenance
Inspect the existing filter compartment and confirm the cleaner model, product number and required replacement assembly before ordering.
Specifications
| SKU | 9991047-ASSY |
| UPC / EAN | 00810071225772 |
| Brand | Maytronics / Dolphin |
| Product Type | Robotic Pool Cleaner Filter Door Assembly |
| Assembly Type | Cartridge Door Kit |
| Gross Weight | 0.007 lb / 3.25 g |
| Compatibility | Select Dolphin M400, M500, Supreme M4, Supreme M5 and Wave 90i Bag robotic pool cleaners |
| Application | Filter compartment door replacement |
| Warranty | 1-Year Manufacturer Warranty |
| Final Sale | Yes |
Frequently Asked Questions
No. It is designed only for the cleaner models and product numbers listed in the Compatibility & Fitment section.
It closes the cleaner’s filter compartment and helps keep the filtration components properly positioned during operation.
Replacement may be required when the existing door is cracked, damaged, missing or no longer closes securely.
Yes. The supplied compatibility information includes specific standard, BLE, IoT and demo product numbers. Confirm the exact cleaner identification label before ordering.
Yes. Confirm the cleaner model, product number and required filter door assembly before purchasing.
This filter door assembly includes a 1-year manufacturer warranty, subject to the manufacturer’s applicable warranty terms and conditions.
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