Fluval Primer Assembly & Cover - 107 207 307 407

The primer assembly is used to initially fill the filter with water and initiate the water flow through the filter system.

This primer assembly and cover is compatible with Fluval 107, 207, 307, and 407 external canister filters.

The primer assembly typically does not require frequent replacement unless it is damaged or worn. Regular inspection during filter maintenance is recommended.

Refer to the user manual that came with your Fluval filter. The manual provides detailed instructions on replacing parts, including the primer assembly.

Check all connections, ensure the filter is properly seated and the impeller is working correctly. It is possible there could be an issue with another part of the filter system.

Double-check all connections to ensure they are secure. Review the priming instructions in the filter manual to ensure you are following the correct procedure. Make sure the filter is properly seated and the impeller is functioning.

Ensure the assembly is properly seated and the cover is securely attached. Check the O-rings for any damage or debris; replace if necessary. Inspect the seal between the primer assembly and the filter body.