Locking Ring for Trimline Cartridge Filter Lid MK2 MK3

Locking Ring for Trimline Cartridge Filter Lid MK2 MK3Take control of your Waterco Trimline cartridge filter lid with the Locking Ring MK2 MK3 a purpose built replacement that secures the lid, reduces wear, and makes maintenance smoother, safer, and less prone to damage. Designed specifically for Waterco Trimline MK2 and MK3 lids, this locking ring is the essential upgrade when a lid sticks or when you want to avoid costly breakages from prying with improvised tools. Its the part you install once and

Active skimming sessions: Increase bypass flow to enhance surface debris capture while maintaining enough suction for the bottom cleaner

screws to secure the trim

and keep systems running smoothly between calibrations

cleaner installation in concrete shells

boat owners

plus a 2-year warranty on the mechanical seal for added peace of mind

or pools with mixed surface materials will appreciate the portability and straightforward operation

the Prowler 920 traps it effectively for cleaner water and clearer eyes for swimmers

This lid is specifically designed to fit CF Series tanks across the Davey SpaQuip

Expert tips

it’s a versatile replacement that works seamlessly with Kreepy Krauly

or sending the kids into the pool with a little extra ambience