Hayward AquaNaut 200 400 & 450 Suction Inlet Medium Black Met | PVX990M-236 A&A If they look worn

If they look worn

the disk may not be required depending on the design of the pool

Prevents equipment damage during maintenance

The hose float was built for the cleaner's hose system that takes the water from the dedicated return line

In order to properly install the hose

Hayward AquaNaut 200 400 & 450 Suction Inlet Medium Black Met | PVX990M-236 A&A If they look wornHayward AquaNaut 200 400 & 450 Suction Inlet Medium Black Met (PVX990M 236) The suction inlet medium (black met) is a replacement part that was made by Hayward. The same high quality materials were used to manufacture the original factory part. Making this a genuine OEM product. The suction Inlets were created to improve the suction capabilities for the AquaNaut series suction cleaners. Having 3 interchangeable throats that improve the suction