Waterway Lock Tab [Clearwater II Ylw Ext Arms] (519-7420) chemicalfeeders and this Polaris and Zodiac

and this Polaris and Zodiac version is a white cleaning head using the 3-9-508 reference

When the working cartridge becomes restricted or less effective

Helps restore the plumbing-side body structure

This type of part is especially useful around serviceable plumbing components where removal without cutting pipe is an advantage

or no longer moving smoothly over the pool surface

Waterway Lock Tab [Clearwater II Ylw Ext Arms] (519-7420) chemicalfeeders and this Polaris and ZodiacWaterway Lock Tab [Clearwater II Ylw Ext Arms] (519 7420) is a Waterway Plastics filter part used to help maintain the fit, function, and serviceability of compatible filtration systems. Small filter components are often essential for keeping covers, grids, cartridges, frames, or support assemblies positioned correctly during operation. This part is useful for targeted repairs where the rest of the filter remains in working condition but a specific